Capture Engine Interface for Automated eOCAP on Non-Standard Tools
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Solution Overview
Problem
The semiconductor manufacturing industry faces challenges in monitoring and controlling process parameters in real-time, especially with equipment that has non-standard communication interfaces and protocols, leading to potential errors and quality control issues.
Innovation Solution
An IC manufacturing system that includes a manufacturing tool with a non-standard communication interface, equipped with a capture engine to monitor operator interactions and facilitate an automated electronic out-of-control action plan (eOCAP) scheme in conjunction with a network-hosted server platform.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Manufacturing precision
If automated monitoring and control systems are implemented, then manufacturing precision and reliability are improved, but device complexity increases due to non-standard communication interfaces requiring specialized capture engines and integration layers
Solution Approach 1:
The patent introduces a capture engine as an intermediary component that sits between the manufacturing tool's non-standard communication interface and the standardized eOCAP system. This capture engine translates and captures operator interactions, tool events, and process data into a standardized format that can be processed by the electronic Out-of-Control Action Plan system, thereby enabling automated monitoring without requiring modification of the underlying non-standard tool interfaces
Solution Approach 2:
The system creates a virtual copy or representation of the manufacturing tool's operational state through the capture engine. Instead of directly integrating with complex non-standard interfaces, the capture engine generates standardized event representations and data copies that mirror the tool's state, allowing the eOCAP system to operate on these standardized representations without dealing with the underlying interface complexity
2Reliability
If real-time monitoring of operator interactions is implemented, then reliability and error detection are improved, but loss of time increases due to data capture, processing, and notification delays
Solution Approach 1:
The capture engine is configured to capture operator interactions and tool events as they occur, maintaining a real-time log of manufacturing activities. Event conditions are pre-defined and stored in the system, allowing for immediate matching against captured data without requiring complex analysis at the time of occurrence. This preliminary setup enables rapid detection and response to out-of-control conditions
Solution Approach 2:
The system implements a feedback loop where captured operator interactions and tool events are continuously monitored against predefined event conditions. When a match is detected, the system immediately generates notifications to the eOCAP system, which then triggers appropriate actions. This closed-loop feedback mechanism ensures that deviations from normal operation are detected and addressed in real-time, maintaining reliability while minimizing response delays
3Manufacturing precision
If comprehensive event capture and analysis is performed, then manufacturing precision is improved, but productivity decreases due to the overhead of monitoring and processing all operator interactions
Solution Approach 1:
The capture engine is configured to capture and process only specific operator interactions and tool events that are relevant to process control and quality outcomes. Rather than monitoring all possible interactions equally, the system identifies and focuses on critical events such as parameter changes, alarm conditions, and key process steps. This selective capture approach maintains manufacturing precision by monitoring what matters most while minimizing the processing overhead that would otherwise reduce productivity
Data Source
AI summary
An IC manufacturing system including a manufacturing tool having a non-standard communication interface and/or protocol capability, wherein a computer platform of the manufacturing tool is configured with a capture engine operable to monitor operator interactions with the manufacturing tool for facilitating an automated electronic out-of-control action plan (eOCAP) scheme in conjunction with a network-hosted server platform.