RFID Authentication of Processing Components for Safe Semiconductor Tools
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Solution Overview
Problem
Semiconductor chip manufacturing requires reliable authentication and tracking of consumable components in substrate processing systems to ensure safe and reliable operation, as unauthenticated components can lead to unsafe processing conditions and unreliable results.
Innovation Solution
Implementing remote tracking and authentication methods using RFID tags and interrogators within substrate processing systems, allowing for the authentication of processing components and monitoring of processing conditions, enabling secure and efficient operation.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If RFID tags and interrogators are implemented for component authentication and tracking, then process repeatability and reliability are improved, but device complexity increases
Solution Approach 1:
RFID tags are pre-installed on processing components before they enter the substrate processing system. The interrogators are pre-configured with authentication protocols and database connections. This preliminary setup enables automatic authentication without adding operational complexity during actual processing, as the authentication infrastructure is already in place and ready to function.
Solution Approach 2:
The RFID tags serve as intermediaries that carry authentication data between the processing components and the system controller. The interrogators act as mediators that translate RFID signals into authentication decisions. This intermediary layer enables reliable authentication while keeping the core processing system unchanged, as the RFID infrastructure operates independently from the substrate processing operations.
2Object-affected harmful factors
If authentication systems are implemented to verify component legitimacy, then unsafe processing conditions are prevented, but system complexity and cost increase
Solution Approach 1:
Authentication is performed in advance before processing begins. The RFID interrogator verifies the authenticity of processing components (polishing pads, substrate carrier assemblies, etc.) before they are installed or used. This preliminary verification prevents unsafe conditions by ensuring only authenticated components enter the system, while the authentication itself occurs outside the critical processing path.
Solution Approach 2:
The patent replaces manual or mechanical verification methods with electronic RFID authentication. Instead of physical inspection or manual tracking of component authenticity, the system uses electromagnetic fields to automatically verify component legitimacy. This substitution reduces the need for complex mechanical verification systems while providing more reliable authentication.
3Reliability
If processing components are tracked and monitored throughout the system, then component quality and system reliability are ensured, but loss of time for data collection and processing occurs
Solution Approach 1:
RFID authentication and tracking operate continuously without interrupting the substrate processing workflow. As components move through the system, their RFID tags are automatically read and verified by interrogators positioned at key locations. This continuous authentication occurs in parallel with processing operations, eliminating the need for separate verification steps that would cause time losses.
Solution Approach 2:
The RFID tags autonomously provide authentication data when activated by interrogators. Processing components essentially authenticate themselves by responding to RFID queries, without requiring external verification actions. This self-service mechanism reduces the time and effort needed for authentication, as the components carry their own identification and authentication credentials.
Applied Scientific Principles
This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.
Function Achieved in This Case
Ensures the authenticity and quality of processing components, improving process repeatability and yield while ensuring safe operation by authenticating and tracking components in real-time.
Implementation Method 1
receiving, using an interrogator, one or more signals from a remote communication device coupled to a processing component disposed in the substrate processing system
Data Source
AI summary
Embodiments provided herein provide for methods and apparatus for detecting, authenticating, and tracking processing components, including consumable components or non-consumable components used on substrate processing systems for electronic device manufacturing, such as semiconductor chip manufacturing. The semiconductor processing systems and/or its processing components herein include a remote communication device, such as a wireless communication apparatus, for example, radio frequency identification (RFID) devices or other devices embedded in, disposed in, disposed on, located on, or otherwise coupled to one or more processing components or processing component assemblies and/or integrated within the semiconductor processing system itself. The processing component may include a single component (part) or an assembly of components (parts) that are used within the semiconductor processing tool.