{"schema_version":"1.0","canonical_url":"https://patentable.app/patents/US-9852922","patent":{"patent_number":"US-9852922","title":"Plasma processing method","assignee":null,"inventors":[],"filing_date":"2016-10-03T00:00:00.000Z","publication_date":"2017-12-26T00:00:00.000Z","cpc_codes":["H01L","H01L","H01L","H01L","H01L","H01L","H01L"],"num_claims":3,"abstract":"A plasma etching method includes: mounting a target substrate on a first electrode which is provided to be parallel with a second electrode with a preset gap within a processing chamber, a base material of the second electrode containing silicon or SiC; generating plasma of a fluorocarbon-based etching gas in a processing space; applying a low frequency AC power or a high frequency AC power having a frequency, which an ion in the plasma is allowed to follow, to the second electrode; and increasing an effective voltage value of the AC power to enhance sputtering at the second electrode such that silicon sputtered from the base material reacts with fluorine radicals generated from the fluorocarbon-based etching gas to produce a reaction product of SiF4, to irradiate electrons generated near the second electrode to the target substrate and to increase a plasma potential near a sidewall of the processing chamber."},"analysis":{"summary":"The Plasma Processing Method patent (US-9852922) introduces a sophisticated and highly controlled plasma etching technique designed to significantly enhance precision and yield in semiconductor manufacturing. The core innovation lies in its ability to meticulously manage the plasma environment, particularly through the strategic use of a silicon or SiC-containing second electrode.\n\nThe primary problem this invention addresses is the inherent difficulty in achieving uniform, highly anisotropic etching with minimal defects in advanced microelectronic fabrication. Traditional plasma etching often struggles with sidewall damage, inconsistent feature sizes, and low selectivity, which can lead to reduced yields and increased production costs. This patent provides a solution by enabling finer control over the etching process at the nanoscale.\n\nThe key technical approach involves mounting a target substrate on a first electrode, positioned parallel to a second electrode made of silicon or SiC. Plasma is generated from a fluorocarbon-based etching gas. Crucially, the method applies a low or high frequency AC power to the second electrode, increasing its effective voltage. This enhanced voltage causes controlled sputtering of silicon from the second electrode, which then reacts with fluorine radicals in the plasma to produce SiF4. This SiF4 plays a critical role in modifying the plasma chemistry, influencing the etch/deposition balance for superior anisotropy.\n\nSimultaneously, the Plasma Processing Method ensures the irradiation of electrons generated near the second electrode to the target substrate, further influencing surface reactions. It also increases the plasma potential near the sidewall of the processing chamber, providing a protective effect against lateral etching. This multi-faceted control mechanism allows for unprecedented precision in defining nanoscale features.\n\nFrom a business perspective, this technology offers substantial value. It promises higher manufacturing yields, reduced defect rates, and lower production costs for advanced semiconductor devices. It enables the fabrication of smaller, more powerful chips, driving innovation in areas like AI, IoT, and high-performance computing. The market opportunity is immense, as the global demand for advanced microelectronics continues its rapid expansion. Companies adopting this innovation will gain a significant competitive advantage in precision manufacturing, positioning them at the forefront of the semiconductor industry. This patent represents a critical enabler for the next generation of electronic devices.","layman_explanation":"### What Problem Does This Solve?\n\nImagine you're trying to build incredibly tiny, complex cities on a surface the size of your fingernail – these are computer chips. To make these cities work, you need to carve out millions of super-fine roads, buildings, and connections with extreme precision. The current 'carving tools' (called plasma etching) are good, but they often face challenges. Sometimes the 'roads' aren't perfectly straight, the 'buildings' might get damaged on the sides, or the whole process is a bit wasteful, leading to many defective cities. This means higher costs, slower production, and limits on how small and powerful we can make our devices. Essentially, the problem is achieving consistent, ultra-precise etching at an industrial scale without compromising quality or increasing costs.\n\n### How Does It Work?\n\nThe Plasma Processing Method is like introducing a master craftsman's set of tools to this tiny city building process. Instead of just a generic carving tool, this patent describes a system where the 'carving platform' has a special, smart surface, like a silicon or silicon carbide plate. When we use our invisible plasma 'carving gas' (a fluorocarbon gas), we apply a specific electrical pulse to this smart plate. This pulse makes the smart plate gently 'sputter' or release tiny silicon particles into the carving gas.\n\nThese silicon particles then mix with the carving gas to create a special, protective 'mist' (SiF4). This mist is crucial because it helps control how aggressively the plasma carves and how well it protects the sides of the tiny structures. Think of it like a chef carefully balancing ingredients to get the perfect dish – too much or too little of something can ruin it. Simultaneously, this method also sends tiny, directed energy beams (electrons) to the chip's surface, helping the carving process, and it creates a 'force field' (increased plasma potential) around the edges of the carving area to shield them from unwanted damage. This combination allows for incredibly fine-tuned control, making sure every 'road' and 'building' is perfectly shaped and protected.\n\n### Why Does This Matter?\n\nThis innovation matters because it directly impacts the speed, cost, and capability of almost every electronic device we use. With the Plasma Processing Method, manufacturers can create chips with even smaller, more intricate features. This means:\n*   **Faster, More Powerful Devices:** Your next smartphone, laptop, or AI system can be significantly more powerful and efficient.\n*   **Higher Production Yields:** Fewer defective chips mean less waste and lower manufacturing costs. This can translate to more affordable technology for consumers.\n*   **Competitive Edge:** Companies adopting this technology will be able to produce cutting-edge chips that others can't, giving them a significant advantage in the global market.\n*   **New Possibilities:** It opens doors for entirely new types of microelectronics and applications that require extreme precision, from advanced medical sensors to futuristic computing architectures.\n\n### What's Next?\n\nThe Plasma Processing Method paves the way for the next generation of semiconductors. We can expect to see this technology, or principles derived from it, integrated into advanced fabrication facilities globally. This will accelerate the development of smaller, more energy-efficient processors for artificial intelligence, the Internet of Things, and quantum computing. For investors, this represents a critical enabling technology in a trillion-dollar industry, offering long-term growth potential for companies that successfully commercialize or license this patent. It's an investment in the foundational technology of our digital future.","technical_analysis":"The Plasma Processing Method patent (US-9852922) outlines a highly refined plasma etching technique that fundamentally enhances control over critical process parameters in semiconductor manufacturing. This innovation is rooted in a precise manipulation of electrode dynamics, plasma chemistry, and localized electrical fields, offering a significant leap in anisotropic etching capabilities.\n\n**Technical Architecture and System Design:**\nAt the heart of the Plasma Processing Method is a conventional parallel-plate plasma reactor, but with key modifications. The system comprises a processing chamber containing two parallel electrodes. The target substrate, typically a silicon wafer, is mounted on the first electrode. The critical innovation lies in the second electrode, whose base material explicitly contains silicon or silicon carbide (SiC). This material choice is not arbitrary; it's central to the invention's mechanism. A preset gap is maintained between these electrodes. The chamber is designed to introduce a fluorocarbon-based etching gas, which is then energized to generate plasma in the processing space.\n\n**Implementation Details and Algorithm Specifics:**\n1.  **Gas Phase Chemistry Control:** The invention leverages fluorocarbon-based etching gases (e.g., C4F8, C5F8, CHF3). These gases are known for their ability to form fluorocarbon polymer films on feature sidewalls, which is crucial for achieving anisotropic etching. The precise control over this film's deposition and removal is a key aspect.\n2.  **Strategic AC Power Application:** A defining feature is the application of specific AC power to the second electrode. This can be low frequency (LF) AC power or high frequency (HF) AC power. The patent specifies that the frequency must be such that ions in the plasma are allowed to follow the applied field. This is critical because ion bombardment is a primary mechanism for etching and sputtering.\n3.  **Enhanced Sputtering from Si/SiC Electrode:** The method involves increasing the effective voltage value of the applied AC power specifically to the second electrode. This heightened voltage enhances physical sputtering of the silicon or SiC material from the second electrode's surface. This controlled sputtering injects silicon atoms into the plasma.\n4.  **SiF4 Reaction Product Formation:** The sputtered silicon atoms (Si) then react with fluorine radicals (F•), which are abundantly generated from the fluorocarbon etching gas in the plasma. This reaction produces silicon tetrafluoride (SiF4). The controlled generation of SiF4 within the plasma plays a pivotal role. SiF4 can scavenge excess fluorine radicals, influencing the F/C ratio in the plasma, which directly impacts the etch rate and the balance between etching and polymer deposition. This allows for fine-tuning of the sidewall passivation layer, leading to superior anisotropy.\n5.  **Electron Irradiation and Plasma Potential Control:** The patent further details two concurrent, critical phenomena:\n    *   **Electron Irradiation:** Electrons generated near the second electrode are irradiated towards the target substrate. This directed electron flux can influence surface charging, modify surface reaction pathways, and potentially enhance the desorption of etching byproducts, leading to cleaner etches.\n    *   **Increased Plasma Potential near Sidewall:** The method also increases the plasma potential near the sidewall of the processing chamber. A higher plasma potential can create a localized electric field that helps direct ions preferentially towards the bottom of the etched features rather than the sidewalls. This further reinforces anisotropic etching and protects the sidewalls from lateral chemical attack, minimizing undercut and improving critical dimension control.\n\n**Integration Patterns and Performance Characteristics:**\nThe Plasma Processing Method can be integrated into existing semiconductor fabrication lines that utilize parallel-plate plasma reactors. The modifications primarily involve the second electrode material and the sophisticated control of the AC power supply. The performance characteristics expected from this innovation include:\n    *   **Superior Anisotropy:** Due to precise control over passivation and ion bombardment.\n    *   **Reduced Defectivity:** Minimized sidewall damage, footing, and notching.\n    *   **Enhanced Yield:** Higher uniformity across the wafer and reduced device failures.\n    *   **Finer Feature Resolution:** Enabling etching of sub-7nm nodes with high aspect ratios.\n    *   **Improved Selectivity:** Better differentiation between etched and mask layers.\n\n**Code-Level Implications (Control Systems):**\nImplementing this technology would require advanced control algorithms for the AC power supply, potentially involving real-time feedback loops from plasma diagnostics (e.g., optical emission spectroscopy, Langmuir probes) to adjust the effective voltage and frequency. Software would need to precisely manage gas flow, chamber pressure, and electrode temperatures in conjunction with the AC power parameters to optimize the SiF4 generation and electron/ion dynamics. This points towards sophisticated process control systems capable of multi-parameter optimization and dynamic adjustment based on in-situ measurements.\n\nIn essence, the Plasma Processing Method provides a comprehensive framework for achieving unprecedented control in plasma etching, addressing long-standing challenges in high-precision microfabrication through a clever combination of material science and plasma physics.","business_analysis":"The Plasma Processing Method patent (US-9852922) represents a significant strategic asset with the potential to profoundly impact the semiconductor manufacturing industry and related high-precision material processing sectors. Its core value proposition lies in enabling superior control and precision in plasma etching, a bottleneck process in advanced microelectronics.\n\n**Market Opportunity Size:**\nThe global semiconductor manufacturing equipment market, valued at hundreds of billions of dollars, is continuously driven by demand for smaller, faster, and more efficient chips. Plasma etching equipment constitutes a substantial segment of this market. As chip geometries shrink to sub-7nm and beyond, and as 3D architectures become prevalent, the need for ultra-precise and high-yield etching solutions escalates. The market for advanced plasma etching technologies is poised for substantial growth, driven by investments in new fabrication facilities (fabs) and upgrades to existing ones. The Plasma Processing Method directly addresses this critical need, positioning itself within a high-growth, high-value segment.\n\n**Competitive Advantages:**\nThis innovation offers several distinct competitive advantages:\n1.  **Enhanced Precision and Yield:** By precisely controlling SiF4 generation, electron irradiation, and plasma potential, the invention promises significantly higher yields and reduced defect rates compared to conventional methods. This directly translates to lower manufacturing costs per chip.\n2.  **Finer Feature Resolution:** The improved control enables the etching of smaller, more complex features with high aspect ratios, crucial for next-generation processors, memory, and specialized components (e.g., AI accelerators). This positions adopters at the forefront of technological capability.\n3.  **Reduced Material Waste and Energy Consumption:** Higher yields mean less scrap, reducing material costs. Optimized process parameters can also lead to more efficient use of etching gases and potentially reduced overall energy consumption per wafer.\n4.  **Process Robustness and Repeatability:** The sophisticated control mechanisms offer greater process stability and repeatability, reducing variability across wafers and batches, which is highly valued in high-volume manufacturing.\n5.  **Differentiation in a Crowded Market:** Offering a demonstrably superior etching solution can provide a significant differentiator for equipment manufacturers or foundries that license or implement this technology.\n\n**Revenue Potential and Business Models:**\nRevenue potential can be realized through several business models:\n*   **Licensing:** The patent can be licensed to leading semiconductor equipment manufacturers (e.g., Applied Materials, Lam Research, Tokyo Electron) who would integrate the technology into their etching platforms.\n*   **Direct Sales of Components/Systems:** If developed into a proprietary system or specialized electrode components, direct sales to foundries (e.g., TSMC, Samsung Foundry, Intel Foundry Services) are possible.\n*   **Foundry Services Enhancement:** Foundries themselves could acquire or license the technology to offer advanced etching services, attracting high-value customers needing cutting-edge fabrication.\n*   **IP Monetization:** The patent could be a valuable asset in mergers, acquisitions, or as part of a broader patent portfolio, enhancing the valuation of an IP-rich company.\n\n**Strategic Positioning:**\nThe Plasma Processing Method strategically positions its adopters as leaders in precision manufacturing. For equipment suppliers, it offers a competitive edge in selling advanced etching tools. For chipmakers, it provides the capability to produce more advanced, cost-effective devices, accelerating their product roadmaps and market penetration. It also allows for the exploration of new material processing applications beyond traditional silicon, expanding market reach into areas like MEMS, photonics, and advanced packaging.\n\n**ROI Projections:**\nInvestment in this technology, either through R&D, licensing, or acquisition, promises a strong ROI. The direct benefits of increased yield (e.g., 10-20% improvement in critical steps) and reduced defect rates can quickly offset initial costs, especially in high-volume, high-value chip production. For a typical advanced fab, even a small percentage increase in yield can translate to hundreds of millions of dollars in additional revenue annually. Furthermore, the ability to fabricate cutting-edge devices faster provides an intangible but powerful ROI in terms of market leadership and brand reputation. The long-term strategic advantage of enabling future technology nodes ensures sustained competitive relevance.","faqs":[{"answer":"The Plasma Processing Method (US-9852922) is an innovative patent describing a highly advanced plasma etching technique. At its core, this invention focuses on precisely controlling the plasma environment during the manufacturing of microchips, particularly for carving out extremely small and intricate patterns on silicon wafers.\n\nTraditional plasma etching methods can face challenges in achieving perfect uniformity and preventing damage to delicate structures. This patent introduces a sophisticated approach that uses a specialized electrode made of silicon or silicon carbide (SiC) and a carefully modulated electrical power supply. By doing so, it enables an unprecedented level of control over the chemical reactions and physical interactions happening within the plasma.\n\nThe goal of the Plasma Processing Method is to overcome the limitations of prior art, leading to significantly higher precision, reduced defects, and improved manufacturing yields for advanced semiconductor devices. It represents a crucial step forward in enabling the creation of smaller, faster, and more powerful electronic components. This technology is foundational for the next generation of microelectronics.\n\nKeywords: Plasma Processing Method, plasma etching, semiconductor manufacturing, microchip fabrication, patent US-9852922, precision etching.","question":"What is Plasma Processing Method?"},{"answer":"The Plasma Processing Method operates through a multi-faceted and highly controlled process within a specialized chamber. First, a target substrate (like a silicon wafer) is placed on one electrode, while a second, critical electrode made of silicon or SiC is positioned parallel to it. A fluorocarbon-based gas is introduced into the chamber and energized to create plasma.\n\nThe key mechanism involves applying a specific low or high frequency AC power to the silicon/SiC second electrode. The effective voltage of this AC power is increased, causing controlled 'sputtering' of silicon atoms from the electrode's surface into the plasma. These sputtered silicon atoms then react with fluorine radicals from the etching gas to produce silicon tetrafluoride (SiF4).\n\nThis controlled generation of SiF4 is vital for tuning the plasma chemistry, influencing the balance between etching the target material and depositing a protective layer on the sidewalls of the etched features, which ensures highly anisotropic (vertical) etching. Concurrently, the Plasma Processing Method also directs electrons generated near the second electrode towards the target substrate and increases the plasma potential near the chamber's sidewalls, further enhancing precision, protecting features, and improving overall etch quality.\n\nKeywords: Plasma Processing Method mechanism, plasma etching process, SiC electrode, AC power modulation, SiF4 reaction, electron irradiation, plasma potential control, anisotropic etching.","question":"How does Plasma Processing Method work?"},{"answer":"The Plasma Processing Method patent addresses several critical problems inherent in advanced semiconductor manufacturing, particularly concerning plasma etching. As microchip features shrink to nanoscale dimensions (e.g., sub-7nm), traditional etching methods struggle to maintain precision and consistency.\n\nSpecifically, this innovation tackles issues such as non-uniform etching, where features across a wafer may vary in size or shape; sidewall damage, where the delicate vertical walls of etched structures can be compromised; and low selectivity, where the etching process might inadvertently remove or damage underlying material layers. These problems lead to lower manufacturing yields, increased production costs due to waste, and limitations on the performance and miniaturization of electronic devices.\n\nBy providing a sophisticated and active control over the plasma environment—including precise management of reactive species like SiF4, directed electron flux, and localized electric fields—the Plasma Processing Method significantly mitigates these challenges. It enables the creation of highly accurate, clean, and consistent nanoscale features, which is crucial for the next generation of high-performance microprocessors, memory, and specialized components.\n\nKeywords: Plasma Processing Method benefits, semiconductor challenges, plasma etching problems, non-uniform etching, sidewall damage, low yield, precision manufacturing, nanoscale features.","question":"What problem does Plasma Processing Method solve?"},{"answer":"The provided patent data for US-9852922, titled 'Plasma Processing Method,' does not list specific inventors or an assignee. This information is typically detailed in the full patent document. Patents are often assigned to corporations or research institutions, which then hold the rights to the invention, rather than individual inventors directly.\n\nGenerally, patent applications are filed by individuals or teams of researchers and engineers who have developed the innovative technology. These inventors then assign their rights to the company or organization they work for, or to a separate entity established to manage the intellectual property. The absence of specific names in this abstract suggests that this detail would be found in the full patent record, accessible through official patent databases.\n\nTo identify the exact inventors and the assignee, one would need to consult the complete patent document for US-9852922 on a patent search platform like the USPTO website or Google Patents. This information is crucial for understanding the origin and ownership of the Plasma Processing Method technology.\n\nKeywords: Plasma Processing Method inventors, patent assignee, US-9852922 ownership, intellectual property, patent filing details.","question":"Who invented Plasma Processing Method?"},{"answer":"The Plasma Processing Method offers several significant benefits that can revolutionize semiconductor manufacturing and related high-precision industries. Foremost among these is **enhanced precision and control** over the etching process, allowing for the creation of incredibly fine and accurate features on microchips. This is achieved through the active management of plasma chemistry, electron dynamics, and localized electric fields.\n\nAnother key advantage is **dramatically improved manufacturing yields**. By minimizing defects such as sidewall damage, non-uniform etching, and critical dimension variations, a higher percentage of functional chips can be produced from each silicon wafer. This directly translates to reduced waste and lower production costs per chip.\n\nFurthermore, this innovation enables the **fabrication of next-generation devices**. The ability to etch features at sub-7nm nodes with high aspect ratios is critical for developing more powerful and energy-efficient processors, advanced memory solutions, and specialized components for AI, IoT, and high-performance computing. The Plasma Processing Method thus provides a foundational technology for future technological advancements.\n\nKeywords: Plasma Processing Method benefits, precision etching, increased manufacturing yields, reduced defects, advanced chip fabrication, cost reduction, next-generation electronics.","question":"What are the key benefits of Plasma Processing Method?"},{"answer":"The Plasma Processing Method distinguishes itself from prior art in plasma etching through several integrated and novel control mechanisms. Traditional methods often rely on a more passive approach, where the etching gas composition and power settings broadly define the plasma environment. While effective, this can lead to limitations in precision and flexibility at advanced nodes.\n\nThis patent introduces an **active silicon/SiC second electrode** that is intentionally sputtered to inject silicon atoms into the plasma. This contrasts with prior art where silicon is typically only the material being etched. This active injection allows for precise, on-demand generation of SiF4, which dynamically modulates the plasma chemistry, offering a level of etch/passivation balance control not easily achieved otherwise.\n\nMoreover, the Plasma Processing Method explicitly details **directed electron irradiation** to the target substrate and **localized increases in plasma potential near chamber sidewalls**. These are not standard features in many conventional systems. Directed electrons can mitigate surface charging and influence reactions, while increased sidewall potential provides an active electrostatic or chemical barrier against lateral etching. These combined, active controls represent a significant departure from the more indirect and less granular control offered by prior art, providing superior precision, defect reduction, and anisotropic etching capabilities.\n\nKeywords: Plasma Processing Method vs prior art, etching innovation, active silicon electrode, SiF4 control, directed electron flux, localized plasma potential, advanced process control, semiconductor technology differentiation.","question":"How is Plasma Processing Method different from prior art?"},{"answer":"The Plasma Processing Method will primarily impact the **semiconductor manufacturing industry**, which is the backbone of virtually all modern electronics. This includes the production of central processing units (CPUs), graphics processing units (GPUs), memory chips (DRAM, NAND), and specialized integrated circuits for various applications.\n\nBeyond core semiconductor fabrication, the principles and capabilities of this patent could extend to other high-precision material processing sectors. This includes the **Micro-Electro-Mechanical Systems (MEMS) industry**, which produces tiny sensors, actuators, and components used in everything from medical devices to automotive systems. The need for precise, high-aspect-ratio etching in MEMS aligns perfectly with the advantages of this innovation.\n\nFurthermore, advanced material science and nanotechnology fields, which require precise surface modification, thin-film deposition, and patterning of novel materials, could also benefit. As industries increasingly rely on smaller, more complex, and more integrated electronic and mechanical components, the Plasma Processing Method's ability to deliver unparalleled precision will make it a critical enabling technology across a broad spectrum of high-tech manufacturing.\n\nKeywords: Plasma Processing Method impact, semiconductor industry, microelectronics, MEMS, advanced materials, nanotechnology, chip manufacturing, high-tech sectors.","question":"What industries will Plasma Processing Method impact?"},{"answer":"The Plasma Processing Method patent, identified as US-9852922, has specific key dates associated with its filing and publication.\n\nThe **Filing Date** for this patent was **2016-10-03**. This is the date when the patent application was officially submitted to the patent office, marking the beginning of the examination process and establishing priority for the invention.\n\nThe **Publication Date** for this patent was **2017-12-26**. This is the date when the patent document was formally published by the patent office, making the details of the invention publicly accessible. For US patents, the publication date often coincides with the grant date (when the patent is officially issued).\n\nThese dates are crucial for understanding the timeline of the intellectual property and its legal standing. The gap between filing and publication reflects the time taken for the patent office to review the application. The publication of the Plasma Processing Method on December 26, 2017, signifies its official recognition and public disclosure as an issued patent.\n\nKeywords: Plasma Processing Method filing date, patent grant date, US-9852922 publication, patent timeline, intellectual property dates.","question":"When was Plasma Processing Method filed/granted?"},{"answer":"The commercial applications of the Plasma Processing Method are primarily concentrated within the high-value semiconductor and microelectronics industries, where precision and yield directly translate to profitability and market leadership. Its ability to enable finer feature resolution and reduce defects makes it invaluable for manufacturing next-generation integrated circuits.\n\nSpecific commercial applications include the fabrication of advanced logic chips (CPUs, GPUs) for high-performance computing, artificial intelligence (AI) accelerators, and server infrastructure. It is also critical for manufacturing high-density memory chips (DRAM, NAND flash) that power modern smartphones, data centers, and storage solutions. The enhanced precision will facilitate the production of complex 3D architectures, such as FinFET and Gate-All-Around (GAA) transistors, which are foundational for future chip designs.\n\nBeyond traditional silicon, the Plasma Processing Method could find commercial use in specialized markets like Micro-Electro-Mechanical Systems (MEMS), where tiny sensors and actuators require extremely precise etching. It may also be applied in advanced packaging technologies that demand intricate patterning for connecting different chip components. Ultimately, any industry requiring high-volume, high-precision material processing at the nanoscale stands to benefit commercially from the capabilities offered by this innovative patent.\n\nKeywords: Plasma Processing Method commercial applications, semiconductor fabrication, microelectronics production, advanced logic chips, memory chips, AI accelerators, MEMS manufacturing, precision patterning.","question":"What are the commercial applications of Plasma Processing Method?"},{"answer":"Future developments for the Plasma Processing Method are likely to focus on further refining its already advanced control mechanisms and expanding its applicability to emerging technologies and materials. One key area of development will be the integration of **AI and machine learning** into the process control systems. This could enable real-time, adaptive optimization of AC power parameters, SiF4 generation, and electron irradiation based on in-situ plasma diagnostics, leading to even greater precision and process robustness.\n\nAnother expected development is the **expansion to novel materials**. While currently focused on silicon and SiC electrodes for fluorocarbon etching, the fundamental principles of actively controlling plasma chemistry and electric fields could be adapted for etching other advanced materials, such as III-V semiconductors, 2D materials (e.g., graphene), or complex oxides, which are crucial for future quantum computing, photonics, and advanced sensor applications.\n\nFurthermore, research may explore even more sophisticated **electrode designs and power delivery systems** to achieve finer control over ion energy distributions and plasma uniformity across larger wafers. The Plasma Processing Method's core innovation provides a robust platform for continuous improvement, pushing the boundaries of what's possible in nanoscale material processing and solidifying its role as a foundational technology for the next generation of electronic devices and beyond.\n\nKeywords: Plasma Processing Method future, AI in manufacturing, machine learning process control, novel materials etching, advanced electrode design, quantum computing, photonics, next-gen electronics.","question":"What are the future developments expected for Plasma Processing Method?"}],"topics":["Plasma Processing Method","plasma etching","semiconductor manufacturing","SiC electrode","fluorocarbon etching","relentless","drive","miniaturization"],"tech_cluster":null},"seo":{"title":"Plasma Processing Method - Precision Etching Patent US-9852922","description":"Discover the Plasma Processing Method, a patent revolutionizing semiconductor etching with enhanced precision, SiF4 control, and higher yields. Full technical analysis available.","keywords":["Plasma Processing Method","plasma etching","semiconductor manufacturing","SiC electrode","fluorocarbon etching","SiF4 production","precision etching","microelectronics","patent US-9852922","VLSI","chip fabrication","advanced materials processing","plasma potential control"]},"attribution":{"source":"Patentable","source_url":"https://patentable.app","canonical_url":"https://patentable.app/patents/US-9852922","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-9852922","citation_suggestion":"Patentable. \"Plasma processing method\" (US-9852922). https://patentable.app/patents/US-9852922","copyright_holder":"Nomic Interactive Technology LLC"},"links":{"html":"https://patentable.app/patents/US-9852922","json":"https://patentable.app/api/llm-context/US-9852922","site":"https://patentable.app","llms_txt":"https://patentable.app/llms.txt"},"generated_at":"2026-06-06T05:48:45.783Z"}