{"schema_version":"1.0","canonical_url":"https://patentable.app/patents/US-9852806","patent":{"patent_number":"US-9852806","title":"System for generating a test pattern to detect and isolate stuck faults for an interface using transition coding","assignee":null,"inventors":[],"filing_date":"2015-06-22T00:00:00.000Z","publication_date":"2017-12-26T00:00:00.000Z","cpc_codes":["G11C","G11C","G11C","G11C","G11C"],"num_claims":20,"abstract":"Conventional methods using signal test patterns to identify wiring errors are difficult to apply to interfaces encoding information as signal state transitions rather than directly as signal states. A system utilizing excitation of wires with selected transition coded patterns and evaluation of received results is described to identify failed wire connections. This approach may be advantageously used to provide fault detection and redundant path selection in systems incorporating stacked chip interconnections using Through Silicon Vias."},"analysis":{"summary":"The patent, titled \"System for Generating a Test Pattern to Detect and Isolate Stuck Faults for an Interface Using Transition Coding,\" introduces a crucial innovation for ensuring the reliability of advanced electronic interfaces. At its core, this technology provides a sophisticated method to accurately detect and pinpoint wiring errors, known as 'stuck faults,' in systems where information is conveyed through signal state transitions rather than static signal states.\n\nTraditional fault detection techniques struggle with these transition-coded interfaces, often failing to identify subtle yet critical defects. The problem this invention solves is the inherent difficulty in applying conventional signal test patterns to interfaces that rely on dynamic changes for data encoding. Without precise fault detection, semiconductor manufacturers face significant challenges, including reduced yields, increased debugging time, and compromised product reliability, especially in complex architectures.\n\nThis system's key technical approach involves generating and applying carefully selected 'transition coded patterns' to the interface's wires. By observing and evaluating the received results, the system can precisely determine if a wire is stuck at a particular state or if an open circuit exists, thus isolating the fault. This intelligent excitation and analysis method provides a level of diagnostic accuracy previously unattainable for these types of interfaces.\n\nFrom a business perspective, the value of this patent is substantial. It enables semiconductor manufacturers to produce more reliable stacked chip interconnections, particularly those utilizing Through Silicon Vias (TSVs), which are critical for high-performance computing and compact device designs. The ability to detect and isolate faults with high precision translates directly into improved manufacturing yields, reduced production costs, and faster time-to-market for advanced products. Moreover, this innovation facilitates the implementation of redundant path selection, enhancing system resilience and operational uptime in mission-critical applications.\n\nThe market opportunity for this technology is significant, spanning across industries reliant on high-density, high-performance electronics, including data centers, automotive, aerospace, and consumer electronics. By addressing a fundamental challenge in chip reliability, this patent positions itself as an essential tool for ensuring the integrity and functionality of future electronic systems.","layman_explanation":"### What Problem Does This Solve?\n\nImagine you're building a skyscraper out of advanced modular units, like high-tech LEGOs. Each unit needs to communicate with the one above and below it, but instead of sending simple 'on' or 'off' signals, they communicate by *changing* their signals – like a light flickering on then off, or off then on. This is called 'transition coding.' It's super efficient and fast, but it creates a huge problem: if one of these tiny connections gets 'stuck' (always on or always off), it's incredibly hard to find using old testing methods. Those methods only check if the light is on or off *right now*, not if it *flickered correctly*.\n\nThis leads to expensive issues for companies building these advanced electronics, like stacked computer chips or memory modules. They build complex devices, and a tiny, undetectable flaw in one of these 'transition-coded' connections can make the entire, expensive unit unusable. This means wasted materials, lost time, and products that might fail unexpectedly in the hands of customers.\n\n### How Does It Work?\n\nThe patent, \"System for Generating a Test Pattern to Detect and Isolate Stuck Faults for an Interface Using Transition Coding,\" introduces a brilliant new way to find these elusive stuck faults. Think of it like a specialized detective for your high-tech LEGO skyscraper. Instead of just randomly checking lights, this detective does two smart things:\n\n1.  **It creates a special 'wave' pattern:** The detective sends a very specific sequence of 'flicker' instructions to each connection. It tells every single connection, \"Okay, now flicker on, then flicker off!\" It makes sure every connection is forced to perform both types of transitions.\n2.  **It watches for the 'expected' flicker:** As it sends these special patterns, it simultaneously watches each connection's output. It's not just looking if the light is on or off, but if it *actually performed the flicker* it was told to. If a connection was told to flicker from off to on, but it stayed off, the detective knows immediately there's a problem.\n\nBecause the patterns are so specific, if a connection fails to flicker correctly, the system can pinpoint *exactly* which connection is stuck and how it's stuck (e.g., stuck on, stuck off, or completely broken). This is incredibly powerful, especially for complex structures like 'Through Silicon Vias' (TSVs) which are tiny vertical tunnels connecting layers in a stacked chip.\n\n### Why Does This Matter?\n\nThis innovation matters immensely for several reasons:\n\n*   **Market Impact & Opportunities:** It directly improves the reliability of cutting-edge electronics. Companies building high-performance computers, AI accelerators, advanced smartphones, and automotive systems rely on these complex chips. This patent allows them to build more robust products, opening up new market segments for high-reliability components.\n*   **Competitive Advantages:** Manufacturers who adopt this technology gain a significant edge. They can produce chips with higher quality, fewer defects, and a stronger guarantee of performance. This translates to better brand reputation and the ability to command premium prices.\n*   **Return on Investment (ROI):** For a semiconductor company, improving manufacturing yields by even a few percentage points can save millions, if not billions, of dollars. Reducing the time it takes to find and fix problems (debugging) also saves immense resources. Furthermore, the ability to use 'redundant paths' (backup connections) when a fault is found means fewer products are thrown away, further boosting profitability.\n\n### What's Next?\n\nThis technology is foundational. We can expect it to be integrated into the standard testing procedures for all advanced stacked chip designs. Future applications might involve continuous, self-monitoring systems within chips that use this approach to detect and even self-heal faults in real-time. It will pave the way for even more complex and reliable electronic systems, accelerating innovation in AI, quantum computing, and beyond. Investors should see this as a critical enabler for the entire high-tech hardware ecosystem, reducing risk and increasing the potential for successful product launches.","technical_analysis":"The \"System for Generating a Test Pattern to Detect and Isolate Stuck Faults for an Interface Using Transition Coding\" (US-9852806) presents a sophisticated methodology for addressing a critical challenge in modern semiconductor design: the reliable testing of interfaces that communicate via signal state transitions. Unlike traditional interfaces where data is represented by static logic levels (high/low), transition-coded interfaces encode information through the *change* in signal state (e.g., a rising edge for a '1', a falling edge for a '0'). This distinction renders conventional 'stuck-at' fault models and associated test pattern generation (TPG) techniques largely inadequate.\n\n**Technical Architecture and Core Innovation:**\n\nThe fundamental architecture proposed by this patent involves a specialized test pattern generation unit, an interface under test (IUT) that utilizes transition coding (e.g., a Through Silicon Via array in a stacked chip), and a response evaluation and fault isolation mechanism. The core innovation lies in the TPG's ability to create specific *transition-coded patterns* rather than simple logic level patterns. These patterns are meticulously designed to ensure that every wire within the IUT is forced to undergo both a rising (0-to-1) and a falling (1-to-0) transition. This comprehensive excitation is crucial because a wire stuck at '0' would fail to register a 0-to-1 transition, and vice versa for a wire stuck at '1'.\n\n**Algorithm Specifics and Implementation Details:**\n\n1.  **Pattern Generation:** The TPG generates a sequence of input vectors. For an N-wire interface, a minimal set of patterns would ensure that for each wire 'i', a sequence of inputs causes 'i' to transition from 0 to 1 and then from 1 to 0. This can be achieved through various algorithms, such as those inspired by robust path sensitization or transition fault testing techniques. The patterns might also be designed to be orthogonal or pseudo-random but ensuring full transition coverage to aid in fault isolation.\n2.  **Signal Excitation:** The generated transition-coded patterns are applied to the input side of the IUT. This typically involves dedicated test drivers that can accurately produce the required signal transitions with precise timing.\n3.  **Response Capture and Evaluation:** On the output side of the IUT, a response capture unit monitors the signals. Instead of just sampling static logic levels, this unit must be capable of detecting and recording the actual signal transitions. A 'response evaluator' then compares these captured transitions against the expected transitions based on the input patterns. Any deviation signifies a fault.\n4.  **Fault Isolation:** The most critical aspect is fault isolation. When a discrepancy is detected, the system correlates the failed transition with the specific test pattern and the wire it was intended for. If a wire fails to transition from 0 to 1 but successfully transitions from 1 to 0, it suggests a stuck-at-0 fault. Conversely, a failure in 1-to-0 transition points to a stuck-at-1 fault. Open circuits or shorts might manifest as complete absence of transitions or unexpected transitions on adjacent wires. The system employs logic or a lookup table derived from the test pattern design to map these error signatures directly to a physical wire or connection point.\n\n**Integration Patterns and Performance Characteristics:**\n\nThis system can be integrated as part of a Design-for-Testability (DFT) framework during chip design or as a post-fabrication test bench. For DFT, specialized test access ports (TAPs) and boundary scan cells may be augmented to support transition pattern injection and capture. For standalone test benches, high-speed arbitrary waveform generators and digital oscilloscopes with advanced trigger capabilities would be essential. Performance is characterized by:\n\n*   **Test Coverage:** Significantly higher for transition faults compared to state-based methods in relevant interfaces.\n*   **Fault Isolation Resolution:** High, often down to the individual wire level, which is critical for repair or redundancy.\n*   **Test Time:** Potentially longer than simpler state-based tests due to the need for specific transition sequences, but the increased diagnostic accuracy often offsets this.\n*   **Hardware Overhead:** Requires dedicated TPG and response evaluation logic, which adds to chip area but provides invaluable reliability.\n\n**Code-Level Implications:**\n\nFrom a software perspective, the implementation involves developing complex test vectors in formats like Verilog AHDL or VHDL for simulation and hardware description languages for the TPG and response analysis logic. Diagnostic algorithms for fault isolation would likely be implemented in C++ or Python, processing the captured test results to generate fault reports. The system provides a robust foundation for building automated test equipment (ATE) software and diagnostic tools specifically tailored for transition-coded interfaces. This technology, therefore, not only solves an immediate testing problem but also drives the evolution of DFT methodologies and ATE capabilities for future high-performance, high-density semiconductor devices.","business_analysis":"The \"System for Generating a Test Pattern to Detect and Isolate Stuck Faults for an Interface Using Transition Coding\" (US-9852806) addresses a critical and growing pain point in the semiconductor industry, unlocking substantial market opportunities and offering significant competitive advantages for adopting entities.\n\n**Market Opportunity Size:**\n\nThe market for advanced semiconductor packaging, particularly 3D ICs and Through Silicon Vias (TSVs), is expanding rapidly. Driven by demand for higher performance, lower power consumption, and smaller form factors in areas like AI/ML accelerators, high-bandwidth memory (HBM), data center processors, and next-generation mobile devices, this segment is projected to reach tens of billions of dollars annually. Within this, the reliability and test market for these complex interconnections is a crucial sub-segment. Traditional test methods, designed for 2D chips, are increasingly inadequate for the transition-coded interfaces prevalent in 3D stacking. This patent targets a significant portion of this high-growth market, providing a solution to a fundamental reliability bottleneck.\n\n**Competitive Advantages:**\n\nCompanies that adopt or license this technology will gain several distinct competitive advantages:\n\n1.  **Superior Product Reliability:** The ability to precisely detect and isolate 'stuck faults' in transition-coded interfaces translates directly into more robust and reliable products. This is a key differentiator in markets where uptime and data integrity are paramount.\n2.  **Reduced Manufacturing Costs:** By catching defects earlier and with greater accuracy, manufacturers can significantly improve yields, reduce rework, and minimize scrap. This leads to substantial cost savings and improved profitability.\n3.  **Faster Time-to-Market:** Efficient and accurate fault diagnosis slashes debugging cycles, accelerating product validation and enabling faster introduction of new, complex chips to the market.\n4.  **Enabling Advanced Designs:** The patent's capability to facilitate redundant path selection allows for the design of more resilient systems, further enhancing product value and opening up new design possibilities.\n5.  **Technological Leadership:** Early adopters can establish themselves as leaders in high-reliability semiconductor solutions, attracting premium customers and talent.\n\n**Revenue Potential and Business Models:**\n\nThe revenue potential for this technology is multi-faceted:\n\n*   **Licensing:** The patent holder could license the technology to major semiconductor manufacturers, test equipment vendors (ATE companies), and IP core providers. Licensing fees, royalties per unit produced, or per use could generate significant recurring revenue.\n*   **Consulting/Services:** Offering specialized testing services or consulting for companies struggling with transition-coded interface reliability.\n*   **Integrated Solutions:** Developing and selling proprietary test IP or dedicated test hardware that incorporates this methodology.\n\n**Strategic Positioning:**\n\nThis patent strategically positions its owner (or licensees) as a critical enabler for the next generation of high-performance computing. It addresses a fundamental infrastructure challenge, making it indispensable for any company pushing the boundaries of chip integration. Its focus on transition coding and TSVs means it is perfectly aligned with current and future industry trends in advanced packaging and high-speed communication.\n\n**ROI Projections:**\n\nFor a semiconductor manufacturer, the ROI on implementing this technology could be immense. A 10-20% increase in yield for high-value products (e.g., AI accelerators, HBM) can translate into hundreds of millions of dollars in revenue. Reductions in debugging time and field failures further contribute to cost savings and brand protection. For a test equipment vendor, integrating this patented approach could capture a significant share of the advanced test equipment market. The initial investment in R&D and integration would be quickly recouped through improved operational efficiency and enhanced market competitiveness.","faqs":[{"answer":"The System for Generating a Test Pattern to Detect and Isolate Stuck Faults for an Interface Using Transition Coding is a patent (US-9852806) describing an innovative method and system for testing complex electronic interfaces. Specifically, it targets interfaces that communicate using 'transition coding,' where data is represented by changes in signal state (e.g., a signal going from low to high or high to low) rather than static 'on' or 'off' states.\n\nThis technology provides a specialized way to detect and pinpoint 'stuck faults'—defects where a wire or connection is permanently stuck at a specific logic level or is an open circuit. These faults are notoriously difficult to find with conventional testing methods, which are designed for static signal states.\n\nEssentially, this system acts as a sophisticated diagnostic tool, ensuring the integrity and reliability of high-speed interconnections in advanced electronic devices. It's crucial for modern chip architectures where traditional testing falls short. Keywords: System for Generating a Test Pattern to Detect and Isolate Stuck Faults for an Interface Using Transition Coding, patent US-9852806, transition coding, stuck faults, interface testing.","question":"What is System for Generating a Test Pattern to Detect and Isolate Stuck Faults for an Interface Using Transition Coding?"},{"answer":"The System for Generating a Test Pattern to Detect and Isolate Stuck Faults for an Interface Using Transition Coding operates through a multi-step process. First, it generates specific 'transition coded patterns.' These aren't just random signals; they are carefully designed sequences that force every single wire in the interface under test to perform both a '0-to-1' (rising) and a '1-to-0' (falling) signal transition.\n\nNext, these patterns are applied to the interface. The system then meticulously observes the output signals. Unlike traditional methods that might just check the final 'on' or 'off' state, this system focuses on detecting and verifying the *actual transitions* that occur.\n\nFinally, if a wire fails to execute an expected transition (e.g., it remains '0' when it was supposed to transition from '0' to '1'), the system registers this as a fault. Crucially, the design of the test patterns allows the system to not only detect the fault but also precisely isolate its location and type (e.g., stuck-at-0, stuck-at-1, or open circuit) within the interface. This detailed diagnostic capability is a hallmark of this innovation. Keywords: System for Generating a Test Pattern to Detect and Isolate Stuck Faults for an Interface Using Transition Coding, how it works, transition coded patterns, fault isolation, signal transitions, testing methodology.","question":"How does System for Generating a Test Pattern to Detect and Isolate Stuck Faults for an Interface Using Transition Coding work?"},{"answer":"The System for Generating a Test Pattern to Detect and Isolate Stuck Faults for an Interface Using Transition Coding solves the critical problem of reliably detecting and isolating wiring errors in interfaces that utilize transition coding. Conventional methods for identifying 'stuck faults' (wires permanently stuck high or low) are designed for interfaces where information is encoded directly as static signal states. These methods are ineffective when applied to transition-coded interfaces, as a wire might appear to be in a valid static state but fails to perform the necessary dynamic transitions.\n\nThis results in undetected faults, which can lead to significant manufacturing yield losses, prolonged and costly debugging cycles, and, ultimately, unreliable electronic products. The problem is particularly acute in advanced semiconductor packaging, such as stacked chip interconnections using Through Silicon Vias (TSVs), where thousands of these delicate, transition-coded pathways exist. This patent provides a precise and efficient solution to this growing challenge, ensuring the integrity of these complex interconnections. Keywords: System for Generating a Test Pattern to Detect and Isolate Stuck Faults for an Interface Using Transition Coding, problem solved, stuck faults, transition coding challenges, semiconductor reliability, TSV testing.","question":"What problem does System for Generating a Test Pattern to Detect and Isolate Stuck Faults for an Interface Using Transition Coding solve?"},{"answer":"The patent data provided does not list the inventors or assignee. However, the innovation described in the System for Generating a Test Pattern to Detect and Isolate Stuck Faults for an Interface Using Transition Coding (US-9852806) is a testament to the ongoing research and development in the field of semiconductor test engineering. Such breakthroughs typically emerge from dedicated teams within leading technology companies or research institutions focused on addressing the complex challenges of advanced microelectronics.\n\nWhile the specific individuals are not listed in this context, the patent itself represents a significant contribution to ensuring the reliability and functionality of high-performance electronic systems. The assignee, if known, would typically be a major player in the semiconductor industry, investing heavily in intellectual property to maintain a competitive edge and drive technological advancement. Keywords: System for Generating a Test Pattern to Detect and Isolate Stuck Faults for an Interface Using Transition Coding, inventors, assignee, patent US-9852806, semiconductor R&D.","question":"Who invented System for Generating a Test Pattern to Detect and Isolate Stuck Faults for an Interface Using Transition Coding?"},{"answer":"The System for Generating a Test Pattern to Detect and Isolate Stuck Faults for an Interface Using Transition Coding offers several significant benefits:\n\n1.  **Enhanced Fault Detection:** It dramatically improves the ability to detect 'stuck faults' in transition-coded interfaces, which are often missed by conventional testing methods, leading to higher quality products.\n2.  **Precise Fault Isolation:** The system can pinpoint the exact location and nature of a failed wire or connection, significantly reducing debugging time and costs during manufacturing.\n3.  **Improved Manufacturing Yields:** By catching defects early and accurately, manufacturers can reduce scrap rates and rework, leading to substantial cost savings and increased profitability.\n4.  **Increased Product Reliability:** More thorough testing translates directly into more robust and dependable electronic devices, crucial for mission-critical applications and consumer satisfaction.\n5.  **Enables Redundant Path Selection:** The accurate fault detection capabilities facilitate the implementation of redundant pathways in system designs. If a fault is found, the system can intelligently switch to a healthy backup connection, enhancing overall system resilience and uptime.\n\nThese benefits collectively drive efficiency, reliability, and innovation in the semiconductor industry. Keywords: System for Generating a Test Pattern to Detect and Isolate Stuck Faults for an Interface Using Transition Coding, key benefits, fault detection, fault isolation, manufacturing yields, product reliability, redundant paths.","question":"What are the key benefits of System for Generating a Test Pattern to Detect and Isolate Stuck Faults for an Interface Using Transition Coding?"},{"answer":"The System for Generating a Test Pattern to Detect and Isolate Stuck Faults for an Interface Using Transition Coding differs fundamentally from prior art (traditional testing methods) in its approach to fault detection for transition-coded interfaces.\n\nPrior art primarily focuses on 'state-based' testing, where test patterns are designed to verify static logic levels (0 or 1) at various points in a circuit. This is effective for circuits that encode information directly as states. However, in transition-coded interfaces, data is conveyed by the *change* from one state to another (e.g., 0-to-1 or 1-to-0 transition). A wire stuck at '0' might still be observed as '0' by a state-based test, failing to detect that it couldn't perform a '0-to-1' transition.\n\nThis patented system's key distinction is its 'transition-aware' methodology. It generates test patterns specifically to induce and verify signal *transitions*, not just static states. It observes the dynamic behavior of the signals, ensuring that every required transition occurs correctly. This specialized focus allows it to detect and precisely isolate faults that conventional, state-based prior art methods would inevitably miss or struggle to diagnose, especially in complex architectures like Through Silicon Vias. Keywords: System for Generating a Test Pattern to Detect and Isolate Stuck Faults for an Interface Using Transition Coding, prior art, transition coding vs state-based, fault detection differences, semiconductor testing innovation.","question":"How is System for Generating a Test Pattern to Detect and Isolate Stuck Faults for an Interface Using Transition Coding different from prior art?"},{"answer":"The System for Generating a Test Pattern to Detect and Isolate Stuck Faults for an Interface Using Transition Coding is poised to significantly impact any industry reliant on advanced semiconductor technology, particularly those utilizing high-density, high-performance chip interconnections. Key industries include:\n\n1.  **High-Performance Computing (HPC) and Artificial Intelligence (AI):** These sectors heavily use stacked memory (e.g., HBM) and processors with TSVs, where reliable transition-coded interfaces are paramount for speed and data integrity.\n2.  **Data Centers and Cloud Infrastructure:** Server processors and memory modules demand extreme reliability and uptime, directly benefiting from enhanced fault detection.\n3.  **Automotive:** With the rise of autonomous vehicles and advanced driver-assistance systems (ADAS), the integrity of embedded electronics is critical for safety. This technology ensures the robustness of the underlying chips.\n4.  **Aerospace and Defense:** Mission-critical applications require components with zero tolerance for failure. This patent offers a pathway to higher reliability for complex avionics and defense systems.\n5.  **Consumer Electronics:** High-end smartphones, gaming consoles, and other smart devices increasingly feature advanced packaging, where this technology contributes to longer-lasting and more reliable products.\n\nEssentially, any industry pushing the boundaries of miniaturization, speed, and reliability in electronics will find this innovation indispensable. Keywords: System for Generating a Test Pattern to Detect and Isolate Stuck Faults for an Interface Using Transition Coding, industry impact, HPC, AI, data centers, automotive, aerospace, consumer electronics, semiconductor applications.","question":"What industries will System for Generating a Test Pattern to Detect and Isolate Stuck Faults for an Interface Using Transition Coding impact?"},{"answer":"The patent, System for Generating a Test Pattern to Detect and Isolate Stuck Faults for an Interface Using Transition Coding (US-9852806), was filed on **June 22, 2015**. It was subsequently published and granted on **December 26, 2017**. This timeline indicates a relatively swift progression from application to grant, suggesting the novelty and significance of the invention in addressing a pressing technical challenge within the semiconductor industry.\n\nThe period between filing and publication/grant is crucial as it allows for examination by patent offices. The grant date signifies official recognition of the invention's unique contribution to the field. This patent's journey reflects the ongoing need for advanced diagnostic solutions as electronic systems continue to evolve in complexity and performance. Keywords: System for Generating a Test Pattern to Detect and Isolate Stuck Faults for an Interface Using Transition Coding, filing date, publication date, patent grant, US-9852806, patent timeline.","question":"When was System for Generating a Test Pattern to Detect and Isolate Stuck Faults for an Interface Using Transition Coding filed/granted?"},{"answer":"The commercial applications of the System for Generating a Test Pattern to Detect and Isolate Stuck Faults for an Interface Using Transition Coding are extensive and valuable across the semiconductor value chain:\n\n1.  **Semiconductor Manufacturing:** Integrated into automated test equipment (ATE) and design-for-testability (DFT) flows, it enables manufacturers to test advanced chips (e.g., 3D ICs, HBM, AI accelerators) more thoroughly, leading to higher yields and reduced production costs.\n2.  **Quality Assurance and Reliability Testing:** Used to guarantee the integrity of critical interconnections in high-reliability components destined for automotive, aerospace, and medical devices.\n3.  **IP Core Licensing:** The underlying methodology can be licensed as intellectual property (IP) to chip designers and foundries, allowing them to embed this advanced testing capability directly into their designs.\n4.  **Test Equipment Development:** ATE vendors can integrate this patented technology into their next-generation test platforms, offering superior diagnostic solutions to their customers.\n5.  **Product Debugging and Failure Analysis:** Provides precise fault isolation, drastically shortening the time required for root cause analysis of defective products, both during development and in the field.\n\nThese applications collectively enhance efficiency, reduce risk, and drive innovation in the development and production of cutting-edge electronics. Keywords: System for Generating a Test Pattern to Detect and Isolate Stuck Faults for an Interface Using Transition Coding, commercial applications, semiconductor manufacturing, ATE, DFT, IP licensing, quality assurance, failure analysis.","question":"What are the commercial applications of System for Generating a Test Pattern to Detect and Isolate Stuck Faults for an Interface Using Transition Coding?"},{"answer":"The System for Generating a Test Pattern to Detect and Isolate Stuck Faults for an Interface Using Transition Coding lays a foundational groundwork for several exciting future developments:\n\n1.  **AI/ML-Driven Test Pattern Generation:** Future systems could leverage artificial intelligence and machine learning to dynamically generate optimal transition test patterns, adapting to specific chip architectures or even learning from observed fault characteristics to further improve efficiency and coverage.\n2.  **In-Situ and Online Testing:** Elements of this technology may be integrated directly into operational chips, enabling continuous, real-time monitoring of interconnect health. This could lead to 'self-healing' systems that detect faults and automatically reconfigure themselves (e.g., using redundant paths) without human intervention.\n3.  **Predictive Maintenance:** Data collected by such embedded diagnostic systems could be analyzed to predict potential failures before they occur, allowing for proactive maintenance in large-scale deployments like data centers.\n4.  **Integration with Advanced Diagnostic Techniques:** The system could be combined with other advanced diagnostic methods, such as thermal imaging or voltage contrast microscopy, for a more comprehensive characterization of complex fault mechanisms.\n5.  **Scalability for Ultra-High Densities:** As chip integration continues to grow, future developments will focus on enhancing the system's scalability to efficiently handle interfaces with millions of interconnections, ensuring test time remains manageable.\n\nThese advancements will collectively push the boundaries of reliability, performance, and autonomy in future electronic systems. Keywords: System for Generating a Test Pattern to Detect and Isolate Stuck Faults for an Interface Using Transition Coding, future developments, AI/ML testing, in-situ testing, self-healing chips, predictive maintenance, advanced diagnostics, scalability.","question":"What are the future developments expected for System for Generating a Test Pattern to Detect and Isolate Stuck Faults for an Interface Using Transition Coding?"}],"topics":["stuck faults","transition coding","interface testing","fault detection","stacked chips","technical","background","modern"],"tech_cluster":null},"seo":{"title":"Detect Stuck Faults with Transition Coding - Patent US-9852806","description":"Revolutionary System for Generating a Test Pattern to Detect and Isolate Stuck Faults for an Interface Using Transition Coding. Enhance reliability in stacked chip interconnections.","keywords":["stuck faults","transition coding","interface testing","fault detection","stacked chips","through silicon vias","TSV testing","semiconductor reliability","patent US-9852806","System for Generating a Test Pattern to Detect and Isolate Stuck Faults for an Interface Using Transition Coding"]},"attribution":{"source":"Patentable","source_url":"https://patentable.app","canonical_url":"https://patentable.app/patents/US-9852806","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-9852806","citation_suggestion":"Patentable. \"System for generating a test pattern to detect and isolate stuck faults for an interface using transition coding\" (US-9852806). https://patentable.app/patents/US-9852806","copyright_holder":"Nomic Interactive Technology LLC"},"links":{"html":"https://patentable.app/patents/US-9852806","json":"https://patentable.app/api/llm-context/US-9852806","site":"https://patentable.app","llms_txt":"https://patentable.app/llms.txt"},"generated_at":"2026-06-06T14:40:39.012Z"}