{"schema_version":"1.0","canonical_url":"https://patentable.app/patents/US-9852986","patent":{"patent_number":"US-9852986","title":"Method of patterning pillars to form variable continuity cuts in interconnection lines of an integrated circuit","assignee":null,"inventors":[],"filing_date":"2016-11-28T00:00:00.000Z","publication_date":"2017-12-26T00:00:00.000Z","cpc_codes":["H01L","H01L","H01L","H01L"],"num_claims":10,"abstract":"A method including providing a semiconductor structure having a dielectric stack, hardmask stack, and mandrel layer disposed thereon. An array of mandrels is patterned into the mandrel layer. Mandrel spacers are formed self-aligned on sidewalls of the mandrels. A gapfill layer is disposed and planarized over the semiconductor structure. Non-mandrel pillars are formed over the planarized gapfill layer. Exposed portions of the gapfill layer are etched to form non-mandrel plugs preserved by the pillars. The pillars are removed to form a pattern, the pattern including the non-mandrel plugs. The pattern is utilized to form an array of alternating mandrel and non-mandrel metal interconnection lines in the dielectric stack. The array includes non-mandrel dielectric structures formed from the non-mandrel plugs."},"analysis":{"summary":"The patent \"Method of Patterning Pillars to Form Variable Continuity Cuts in Interconnection Lines of an Integrated Circuit\" introduces a sophisticated fabrication technique designed to enhance the precision and flexibility of creating microscopic wiring within integrated circuits. At its core, this innovation provides a novel way to control the electrical continuity of metal interconnection lines at the nanoscale, a critical factor for advanced chip performance.\n\nThe primary problem this patent addresses is the increasing difficulty of patterning ultra-fine interconnects with conventional lithography as integrated circuits continue to shrink. Traditional methods often lead to limitations in resolution, control over electrical properties, and challenges in managing parasitic effects like RC delay and power leakage. As chip features enter the sub-10nm regime, these issues become significant bottlenecks for performance and energy efficiency.\n\nThe key technical approach involves a multi-step self-aligned patterning process. It starts with a semiconductor structure layered with a dielectric, hardmask, and mandrel layer. An array of mandrels is patterned, followed by the self-aligned formation of mandrel spacers. A gapfill layer is then deposited and planarized. Crucially, non-mandrel pillars are subsequently formed over this planarized gapfill layer. These pillars act as precise masks, allowing selective etching of the gapfill layer to form non-mandrel plugs. Once the pillars are removed, this intricate pattern of plugs is utilized to define an array of alternating mandrel and non-mandrel metal interconnection lines. The non-mandrel plugs specifically facilitate the creation of 'variable continuity cuts' within these lines, offering unprecedented control over their electrical characteristics.\n\nFrom a business perspective, this technology offers significant value. It enables the fabrication of integrated circuits with superior performance, reduced power consumption, and enhanced design flexibility. This translates to competitive advantages for semiconductor manufacturers, allowing them to produce next-generation chips for high-growth markets such as AI, 5G communications, IoT, and high-performance computing. The ability to achieve such precise control at advanced nodes can improve manufacturing yields, reduce development costs for complex chips, and open avenues for novel device architectures, ultimately driving higher ROI for companies adopting this innovation.\n\nThe market opportunity for this method is substantial, given the continuous demand for smaller, faster, and more energy-efficient electronic components across virtually all technology sectors. By solving a fundamental patterning challenge, this patent positions itself as a critical enabler for the ongoing miniaturization and performance scaling of integrated circuits.","layman_explanation":"### What Problem Does This Solve?\nImagine the intricate network of roads and highways within a bustling city. Now shrink that city down to the size of your fingernail, and those roads are the microscopic wires – called interconnection lines – inside a computer chip. These wires carry all the electrical signals that make your phone, computer, or car work. As we demand more powerful and smaller devices, we need to pack billions of these tiny roads into a minuscule space. The problem is, making these roads perfectly straight, free of traffic jams, and precisely connected at such a small scale is incredibly difficult.\n\nExisting manufacturing techniques, while highly advanced, struggle to achieve the extreme precision needed for these ultra-small wires. Imperfections can lead to 'traffic delays' (electrical resistance and capacitance issues), 'road closures' (signal integrity problems), or 'energy leaks' (power consumption). More critically, sometimes you actually *want* a deliberate 'cut' or a specific connection point on a road to optimize traffic flow, but current methods don't offer the granular control to place these precisely without compromising the entire network. This limits how efficient and powerful our next-generation chips can be.\n\n### How Does It Work?\nThis patent, titled \"Method of Patterning Pillars to Form Variable Continuity Cuts in Interconnection Lines of an Integrated Circuit,\" introduces a clever, multi-step process for building these microscopic roads with surgical precision. Think of it like a highly sophisticated 3D printing technique for chip wiring, rather than just drawing lines.\n\nIt starts by preparing a foundation with several layers, like different construction materials. First, you lay down some initial guide rails (called 'mandrels') and then add 'spacers' that cling to their sides – this is a smart trick to make the features even smaller and more uniform than you could draw directly. Then, you fill all the tiny gaps with a special 'gapfill' material, creating a smooth surface.\n\nHere's the innovative part: independently, you then strategically place tiny, temporary 'pillars' on top of this smooth surface. These pillars are like temporary stencils. Wherever a pillar is placed, the underlying gapfill material is protected. When you wash away the unprotected gapfill, you're left with tiny 'plugs' where the pillars were. Once the pillars are removed, these plugs form a highly precise pattern. This pattern is then used to create the actual metal interconnection lines. Crucially, these 'plugs' become intentional, 'variable continuity cuts' – precise breaks or connections – within the final wires. This allows chip designers to fine-tune the electrical pathways in ways never before possible.\n\n### Why Does This Matter?\nThis invention matters because it directly impacts the performance, power efficiency, and design flexibility of virtually every electronic device we use. By enabling these 'variable continuity cuts,' the patent allows for:\n\n*   **Faster Devices:** Optimizing electrical pathways reduces signal delays, making processors quicker and more responsive.\n*   **Longer Battery Life/Lower Energy Consumption:** Precise control minimizes wasted energy (leakage), leading to devices that run cooler and last longer on a single charge. This is critical for everything from smartphones to massive data centers.\n*   **New Design Possibilities:** Chip architects gain a new tool to create more complex, specialized, and efficient integrated circuits. This could unlock innovations in AI accelerators, advanced sensors, and next-generation communication technologies like 5G and beyond.\n*   **Competitive Edge:** For semiconductor manufacturers, this technology offers a significant competitive advantage. It means they can produce chips that are superior in performance and efficiency, command higher prices, and potentially achieve better manufacturing yields at the cutting edge of technology.\n\nIn essence, this patent is a foundational step for continuing the miniaturization and performance scaling of integrated circuits, ensuring that the devices of tomorrow are even more powerful and efficient than those today.\n\n### What's Next?\nThis technology is poised to become a critical component in the fabrication processes for advanced semiconductor nodes (e.g., 5nm, 3nm, and beyond). We can expect to see its principles integrated into the manufacturing lines of leading chipmakers, leading to a new generation of high-performance computing, AI, and mobile processors. Its impact will extend to any industry reliant on cutting-edge silicon, from automotive to aerospace. Investment in companies developing or licensing such advanced patterning solutions will likely accelerate as the industry seeks to overcome the physical limits of traditional manufacturing and unlock the next wave of innovation.","technical_analysis":"The patent \"Method of Patterning Pillars to Form Variable Continuity Cuts in Interconnection Lines of an Integrated Circuit\" details a sophisticated and innovative approach to tackle one of the most pressing challenges in advanced semiconductor manufacturing: the precise patterning of metal interconnection lines at nanoscale dimensions. As integrated circuits (ICs) scale to 10nm and below, the electrical properties and physical integrity of interconnects become paramount, often limiting overall chip performance more than the transistors themselves. This invention specifically addresses the need for high-resolution patterning with the added capability of introducing 'variable continuity cuts' – strategically placed discontinuities within the interconnect lines to optimize electrical characteristics.\n\n**Technical Architecture and Process Flow:**\nThe core of this method lies in a hybrid patterning scheme that combines self-aligned double/quadruple patterning (SADP/SAQP) principles with an additional, independently controlled pillar formation step. The overall architecture can be conceptualized as a multi-layer stack undergoing sequential photolithography, deposition, and etch steps:\n\n1.  **Initial Stack Preparation:** A semiconductor substrate is provided with a dielectric stack (e.g., low-k dielectric such as SiCOH or porous SiCOH), a robust hardmask stack (e.g., a multi-layer stack of SiN, SiO2, or TiN for etch selectivity), and a sacrificial mandrel layer (e.g., amorphous carbon, polysilicon, or a photoresist). The hardmask protects the final dielectric layer during the aggressive metal trench etching.\n2.  **Mandrel Patterning:** The mandrel layer is patterned using conventional lithography (e.g., Extreme Ultraviolet (EUV) lithography for initial pitch definition) and subsequent etching. This creates an array of primary line features (mandrels) that define the initial pitch of the interconnects.\n3.  **Self-Aligned Spacer Formation:** A conformal layer (e.g., SiN, SiO2) is deposited over the patterned mandrels and then anisotropically etched back. This leaves behind highly uniform, self-aligned spacers on the sidewalls of the mandrels. This step effectively doubles the density (or quadruples in SAQP variants) of the patterned features, overcoming the resolution limits of the initial lithography.\n4.  **Gapfill Layer Deposition and Planarization:** A gapfill material (typically an organic planarizing layer, OPL, or a spin-on dielectric) is deposited over the entire structure, filling the trenches between the mandrels and spacers. This layer is then planarized, typically using Chemical Mechanical Planarization (CMP), to create a flat surface for subsequent patterning steps. This ensures uniform processing and prevents topography-induced issues.\n5.  **Non-Mandrel Pillar Formation (Critical Innovation):** This is the distinguishing feature of the patent. A new resist layer is applied, and an array of 'non-mandrel pillars' is patterned directly onto the planarized gapfill layer. These pillars are *independent* of the mandrel-spacer pattern and are strategically placed to define the locations of the desired variable continuity cuts. This step requires high-resolution lithography to precisely position these sub-lithographic features.\n6.  **Selective Gapfill Etch:** Using the non-mandrel pillars as a hardmask, the exposed portions of the gapfill layer are etched away. This selective etch creates trenches in the gapfill, leaving behind 'non-mandrel plugs' directly underneath the pillars. These plugs represent the inverse pattern of the 'cuts'.\n7.  **Pillar Removal:** The non-mandrel pillars, being sacrificial, are then selectively removed (e.g., via plasma ash or wet strip) without damaging the underlying gapfill plugs or spacer/mandrel structures. This reveals the final, intricate pattern.\n8.  **Pattern Transfer and Interconnect Formation:** The resulting pattern, which now includes the alternating mandrel/spacer features and the precisely placed non-mandrel plugs, is used as a template. This pattern is transferred into the underlying hardmask and then into the dielectric stack, creating trenches for the metal interconnects. The non-mandrel plugs, which were gapfill material, are either maintained as dielectric structures within the metal lines or are further processed to create the actual electrical discontinuities (cuts) in the final metal lines. The final step involves metal deposition (e.g., copper by damascene process) and planarization to form the conductive lines.\n\n**Algorithm Specifics and Integration Patterns:**\nWhile not an algorithm in the software sense, the 'algorithm' of this method lies in the precise sequence of deposition, patterning, and etch steps. The critical 'logic' is in the *design rules* for placing the non-mandrel pillars relative to the mandrel-spacer array. This allows for fine-tuning the electrical length and continuity of individual interconnect segments. The integration pattern is a vertical stack of materials, with each layer carefully selected for etch selectivity, mechanical stability, and electrical properties. The self-alignment principles significantly reduce the cumulative error budget from multiple lithography steps, which is a major advantage at advanced nodes.\n\n**Performance Characteristics and Implications:**\nThe performance implications are substantial. By enabling variable continuity cuts, this technology offers:\n\n*   **Reduced RC Delay:** Strategic cuts can break up long interconnects, reducing effective capacitance and resistance, leading to faster signal propagation.\n*   **Improved Signal Integrity:** Controlled discontinuities can mitigate crosstalk and improve impedance matching, crucial for high-frequency operation.\n*   **Lower Power Consumption:** Optimized interconnects can reduce leakage currents and switching power, contributing to more energy-efficient chips.\n*   **Enhanced Design Flexibility:** Chip designers gain a new degree of freedom to optimize circuit layouts, potentially enabling novel architectures for specific applications (e.g., specialized memory interfaces, reconfigurable logic).\n*   **Increased Yield:** The self-aligned nature of the core patterning reduces sensitivity to lithographic alignment errors, potentially improving manufacturing yield for complex interconnect layers.\n\nThis method represents a sophisticated engineering solution to extend the capabilities of semiconductor fabrication, moving beyond simple line patterning to intricate control over the electrical characteristics of the interconnects themselves.","business_analysis":"The patent \"Method of Patterning Pillars to Form Variable Continuity Cuts in Interconnection Lines of an Integrated Circuit\" represents a significant advancement in semiconductor manufacturing, poised to generate substantial business value across the integrated circuit ecosystem. As the industry continues its relentless pursuit of smaller, faster, and more energy-efficient chips, innovations in patterning technology become critical differentiators. This invention directly addresses the escalating challenges of interconnect scaling, transforming them into opportunities for competitive advantage and market leadership.\n\n**Market Opportunity Size:**\nThe global semiconductor market is a multi-trillion-dollar industry, with advanced logic and memory chips being its most lucrative segments. The need for high-performance, low-power integrated circuits in areas like Artificial Intelligence (AI), 5G/6G communication, autonomous vehicles, high-performance computing (HPC), and advanced mobile devices is exploding. Each new generation of these technologies demands ever-finer feature sizes and more complex interconnect structures. The market for advanced patterning solutions, including lithography tools, materials, and process IP, is valued in the tens of billions annually and is projected to grow substantially. This patent positions itself squarely within this high-growth segment, enabling the production of chips for these premium markets.\n\n**Competitive Advantages:**\nThis technology offers several compelling competitive advantages:\n\n1.  **Superior Performance and Power Efficiency:** By enabling precise 'variable continuity cuts' in interconnection lines, the invention allows for optimized signal integrity, reduced RC delay, and lower power consumption. This directly translates to chips that outperform competitors in speed, efficiency, and reliability, which are key selling points in a performance-driven market.\n2.  **Enhanced Design Flexibility:** Chip architects can leverage this method to implement novel circuit designs and architectures previously limited by manufacturing constraints. This can lead to unique product offerings and faster time-to-market for innovative solutions.\n3.  **Improved Manufacturability at Advanced Nodes:** While complex, the self-aligned nature of the patterning steps inherent in this method can lead to better process control and potentially higher yields for advanced nodes (e.g., 5nm, 3nm and beyond). Higher yields directly reduce manufacturing costs and improve profitability.\n4.  **IP Leadership:** Owning and licensing this core technology provides a strong intellectual property position, allowing the assignee to command licensing fees or maintain a technological lead over rivals who must develop alternative, potentially less effective, solutions.\n\n**Revenue Potential and Business Models:**\nRevenue generation from this patent could take several forms:\n\n*   **Licensing:** The most direct model involves licensing the technology to major Integrated Device Manufacturers (IDMs) like Intel, Samsung, and TSMC, or to fabless companies for integration into their process flows. This can generate significant recurring royalty revenue.\n*   **Internal Product Enhancement:** If owned by an IDM, the technology directly enhances the performance and manufacturability of their own chip products, leading to higher market share, premium pricing, and improved profit margins on their high-end processors, memory, and SoCs.\n*   **Specialized Material/Equipment Sales:** Companies specializing in specific materials (e.g., novel resists, gapfill polymers) or equipment (e.g., advanced etch tools, deposition systems) required for this process could see increased demand and market share.\n\n**Strategic Positioning:**\nThis patent strategically positions its owner as a leader in advanced semiconductor fabrication. In an industry where process technology is a fierce battleground, having a proprietary method to overcome fundamental scaling challenges provides a powerful strategic advantage. It enables the development of next-generation process nodes, supporting the continuous evolution of computing hardware. This innovation ensures continued relevance and competitiveness in the face of increasingly complex manufacturing demands.\n\n**ROI Projections:**\nThe return on investment (ROI) for developing and commercializing this technology is potentially very high. The ability to produce chips with superior performance, lower power, and higher yield at advanced nodes can translate into:\n\n*   **Increased ASPs (Average Selling Prices):** Premium chips command higher prices.\n*   **Expanded Market Share:** Differentiated products can capture larger segments of high-value markets.\n*   **Reduced COGS (Cost of Goods Sold):** Improved yields and process efficiency directly lower manufacturing costs.\n*   **Licensing Revenue:** A steady stream of income from other manufacturers.\n\nGiven the critical role of interconnects in modern ICs, the Method of Patterning Pillars to Form Variable Continuity Cuts in Interconnection Lines of an Integrated Circuit is not just a technical novelty but a strategic business asset that can unlock new levels of performance and profitability in the semiconductor industry.","faqs":[{"answer":"The Method of Patterning Pillars to Form Variable Continuity Cuts in Interconnection Lines of an Integrated Circuit is a patented semiconductor manufacturing technique. It describes a novel process for creating extremely fine and precisely controlled patterns for the metal wiring, or interconnection lines, within integrated circuits.\n\nAt its core, this invention enables the fabrication of these microscopic wires with 'variable continuity cuts'—meaning engineers can strategically introduce tiny, deliberate breaks or specific connection points along the length of these wires. This level of control is crucial for optimizing the electrical performance of advanced chips, allowing for better signal integrity, reduced power consumption, and enhanced design flexibility.\n\nThe technique leverages a sophisticated multi-step patterning process that goes beyond traditional lithography, incorporating elements like mandrels, self-aligned spacers, and a unique pillar formation step to achieve its high precision. This ensures that the cuts are placed exactly where needed without compromising the overall integrity of the circuit.","question":"What is 'Method of Patterning Pillars to Form Variable Continuity Cuts in Interconnection Lines of an Integrated Circuit'?"},{"answer":"The Method of Patterning Pillars to Form Variable Continuity Cuts in Interconnection Lines of an Integrated Circuit works through a meticulously orchestrated sequence of fabrication steps.\n\nFirst, a semiconductor structure is prepared with several layers: a dielectric stack, a hardmask stack, and a mandrel layer. An array of mandrels is patterned into this mandrel layer, defining an initial template. Next, self-aligned spacers are formed on the sidewalls of these mandrels, a technique that significantly increases pattern resolution.\n\nFollowing this, a gapfill layer is deposited and planarized over the entire structure. The crucial innovation then occurs: non-mandrel pillars are formed over this planarized gapfill layer. These pillars are strategically placed and act as temporary masks. Exposed portions of the gapfill layer are then etched away, leaving behind 'non-mandrel plugs' preserved by the pillars. Once the pillars are removed, this intricate pattern of plugs is utilized to form an array of alternating mandrel and non-mandrel metal interconnection lines in the dielectric stack, with the non-mandrel plugs forming the 'variable continuity cuts' that provide precise electrical control.","question":"How does 'Method of Patterning Pillars to Form Variable Continuity Cuts in Interconnection Lines of an Integrated Circuit' work?"},{"answer":"The Method of Patterning Pillars to Form Variable Continuity Cuts in Interconnection Lines of an Integrated Circuit addresses critical problems in advanced integrated circuit manufacturing. As chips shrink to nanoscale dimensions (e.g., 10nm and below), patterning the microscopic interconnection lines becomes incredibly challenging.\n\nTraditional lithographic methods struggle with resolution, line edge roughness, and the ability to precisely control the electrical characteristics of these tiny wires. This leads to issues such as increased RC delay (slower signal transmission), higher power leakage, and limited flexibility in chip design. The patent solves these by providing an unparalleled ability to introduce 'variable continuity cuts'—deliberate, precise breaks or connections—within the interconnects. This allows engineers to optimize signal integrity, reduce power consumption, and enable more complex and efficient circuit architectures that were previously unfeasible, directly overcoming the interconnect bottleneck at advanced nodes.","question":"What problem does 'Method of Patterning Pillars to Form Variable Continuity Cuts in Interconnection Lines of an Integrated Circuit' solve?"},{"answer":"The inventors of the Method of Patterning Pillars to Form Variable Continuity Cuts in Interconnection Lines of an Integrated Circuit are not listed in the provided patent data. However, patents are typically assigned to companies or institutions that fund the research and development. In this case, the assignee is also not provided in the prompt, but it would typically be a major semiconductor company or research institution at the forefront of microelectronics innovation.\n\nSuch inventions are usually the result of extensive collaborative efforts by teams of highly specialized engineers and scientists with expertise in areas like lithography, materials science, process integration, and electrical engineering. Their collective knowledge and relentless pursuit of advanced manufacturing solutions lead to breakthroughs like this patent, which is crucial for the continued scaling of integrated circuits.","question":"Who invented 'Method of Patterning Pillars to Form Variable Continuity Cuts in Interconnection Lines of an Integrated Circuit'?"},{"answer":"The Method of Patterning Pillars to Form Variable Continuity Cuts in Interconnection Lines of an Integrated Circuit offers several key benefits for the semiconductor industry and ultimately for end-users of electronic devices.\n\nFirstly, it enables **superior chip performance** by allowing for precise control over interconnect continuity, which reduces RC delay and improves signal integrity. This means faster processing speeds and more responsive devices. Secondly, it leads to **enhanced energy efficiency** through optimized electrical pathways, minimizing power leakage and contributing to longer battery life for mobile devices and lower energy consumption for data centers.\n\nThirdly, the invention provides **greater design flexibility** for chip architects, allowing them to implement novel circuit architectures and functionalities that were previously constrained by manufacturing limitations. Finally, it can lead to **improved manufacturing yields** at advanced nodes due to the self-aligned nature of key patterning steps, which reduces sensitivity to alignment errors, making chip production more cost-effective and reliable.","question":"What are the key benefits of 'Method of Patterning Pillars to Form Variable Continuity Cuts in Interconnection Lines of an Integrated Circuit'?"},{"answer":"The Method of Patterning Pillars to Form Variable Continuity Cuts in Interconnection Lines of an Integrated Circuit differentiates itself from prior art by offering a unique and highly precise method for creating variable continuity cuts within interconnects, a capability that traditional patterning techniques struggle to achieve.\n\nPrior art, primarily relying on optical lithography and multi-patterning techniques like SADP/SAQP, focuses on defining continuous lines or making crude, lithography-limited cuts. While effective for density scaling, these methods lack the fine-grained control to strategically place specific discontinuities along individual wires for functional optimization. This invention, however, introduces an additional, independently patterned 'non-mandrel pillar' step that acts as a precise stencil for these cuts. This hybrid approach combines the resolution benefits of self-aligned patterning with an unprecedented level of functional control, allowing for active engineering of interconnect electrical properties rather than just passive wiring. This makes the Method of Patterning Pillars to Form Variable Continuity Cuts in Interconnection Lines of an Integrated Circuit a significant leap beyond conventional methods.","question":"How is 'Method of Patterning Pillars to Form Variable Continuity Cuts in Interconnection Lines of an Integrated Circuit' different from prior art?"},{"answer":"The Method of Patterning Pillars to Form Variable Continuity Cuts in Interconnection Lines of an Integrated Circuit will have a profound impact across numerous high-tech industries that rely on advanced integrated circuits.\n\n**High-Performance Computing (HPC) and Artificial Intelligence (AI):** Faster, more efficient chips are crucial for AI training, inference, and complex scientific simulations. This patent enables the development of next-generation AI accelerators and supercomputers. **Mobile and Consumer Electronics:** Enhanced performance and extended battery life will benefit smartphones, tablets, wearables, and other consumer devices. **Telecommunications:** It's vital for the infrastructure and devices supporting 5G, 6G, and future wireless communication networks, ensuring ultra-fast and reliable data transmission. **Automotive:** Critical for autonomous driving systems, which require immense processing power for real-time sensor data and decision-making. **Internet of Things (IoT):** Enables smaller, more power-efficient, and longer-lasting IoT devices for smart homes, industrial automation, and connected health. The innovation provided by the Method of Patterning Pillars to Form Variable Continuity Cuts in Interconnection Lines of an Integrated Circuit is foundational to almost all modern digital technologies.","question":"What industries will 'Method of Patterning Pillars to Form Variable Continuity Cuts in Interconnection Lines of an Integrated Circuit' impact?"},{"answer":"The patent \"Method of Patterning Pillars to Form Variable Continuity Cuts in Interconnection Lines of an Integrated Circuit\" was filed on **November 28, 2016**. Its publication date, which often coincides with the granting date for US patents, was **December 26, 2017**.\n\nThis timeline indicates a relatively swift process from filing to publication, often suggesting the innovation was deemed significant and novel. The filing date places its development within a period of intense research and development in advanced nanoscale semiconductor manufacturing, as the industry was actively pushing towards the 7nm and 5nm process nodes. The subsequent publication makes this crucial technology available for public inspection, while securing the intellectual property rights for the assignee. This patent timing is consistent with the rapid pace of innovation required to keep up with Moore's Law and the demands for ever-more powerful integrated circuits.","question":"When was 'Method of Patterning Pillars to Form Variable Continuity Cuts in Interconnection Lines of an Integrated Circuit' filed/granted?"},{"answer":"The commercial applications of the Method of Patterning Pillars to Form Variable Continuity Cuts in Interconnection Lines of an Integrated Circuit are extensive and highly valuable across the technology sector.\n\nPrimarily, it will be applied in the **manufacturing of high-end microprocessors, GPUs, and specialized AI accelerators** by leading semiconductor foundries and Integrated Device Manufacturers (IDMs). This will result in chips with superior performance, lower power consumption, and enhanced capabilities for demanding applications. Secondly, it will enable the development of **more efficient memory technologies** and **advanced System-on-Chips (SoCs)** for smartphones, tablets, and other consumer electronics, leading to longer battery life and faster user experiences.\n\nFurthermore, this technology is crucial for **5G and future telecommunications infrastructure**, enabling the high-speed and low-latency communication required for next-generation networks. It also has significant implications for **automotive electronics**, particularly in the development of advanced driver-assistance systems (ADAS) and autonomous vehicles that demand robust and high-performance computing. The ability of the Method of Patterning Pillars to Form Variable Continuity Cuts in Interconnection Lines of an Integrated Circuit to provide precise interconnect control makes it an indispensable tool for developing future-proof electronic components in nearly every sector.","question":"What are the commercial applications of 'Method of Patterning Pillars to Form Variable Continuity Cuts in Interconnection Lines of an Integrated Circuit'?"},{"answer":"Future developments for the Method of Patterning Pillars to Form Variable Continuity Cuts in Interconnection Lines of an Integrated Circuit are likely to focus on further refinement, integration, and expanded application as semiconductor technology continues to evolve.\n\nOne key area will be **optimization for even smaller process nodes**, such as 3nm and 2nm, where the challenges of interconnect patterning become exponentially more complex. This may involve exploring new materials for pillars and gapfill layers that offer even greater etch selectivity and process control. Another development could be **integration with advanced metrology and machine learning** for real-time process monitoring and optimization, further improving yield and reducing defectivity. We might also see its application in **3D integrated circuits and heterogeneous integration**, where optimizing inter-die communication is critical.\n\nFurthermore, the concept of 'functional interconnect engineering' enabled by this patent could inspire **new design automation tools** that intelligently leverage these variable continuity cuts to achieve unprecedented levels of circuit optimization. Ultimately, the Method of Patterning Pillars to Form Variable Continuity Cuts in Interconnection Lines of an Integrated Circuit is expected to become a foundational technique, paving the way for innovations in quantum computing interfaces, neuromorphic computing, and other emerging technologies that demand ultimate precision in nanoscale electrical pathways.","question":"What are the future developments expected for 'Method of Patterning Pillars to Form Variable Continuity Cuts in Interconnection Lines of an Integrated Circuit'?"}],"topics":["semiconductor patterning","integrated circuit manufacturing","nanoscale interconnects","variable continuity cuts","chip fabrication","semiconductor","industry","relentless"],"tech_cluster":null},"seo":{"title":"Method of Patterning Pillars to Form Variable Continuity Cuts in Interconnection Lines of an Integrated Circuit - Patent US-9852986","description":"Discover the Method of Patterning Pillars to Form Variable Continuity Cuts in Interconnection Lines of an Integrated Circuit. This patent details advanced nanoscale patterning for faster, more efficient chips with precise interconnect control.","keywords":["semiconductor patterning","integrated circuit manufacturing","nanoscale interconnects","variable continuity cuts","chip fabrication","lithography innovation","self-aligned patterning","RC delay reduction","power efficiency chips","semiconductor patent","US-9852986","microelectronics","advanced logic","dielectric structures","pillar patterning"]},"attribution":{"source":"Patentable","source_url":"https://patentable.app","canonical_url":"https://patentable.app/patents/US-9852986","license":"CC-BY-4.0-like","license_terms":"AI-generated analysis on this page (summary, layman_explanation, technical_analysis, business_analysis, faqs) may be reused with attribution and a visible link back to the canonical URL above. Patent abstracts, claims, and bibliographic data are USPTO public domain.","required_link":"https://patentable.app/patents/US-9852986","citation_suggestion":"Patentable. \"Method of patterning pillars to form variable continuity cuts in interconnection lines of an integrated circuit\" (US-9852986). https://patentable.app/patents/US-9852986","copyright_holder":"Nomic Interactive Technology LLC"},"links":{"html":"https://patentable.app/patents/US-9852986","json":"https://patentable.app/api/llm-context/US-9852986","site":"https://patentable.app","llms_txt":"https://patentable.app/llms.txt"},"generated_at":"2026-06-06T08:18:27.419Z"}