ATE Application Specific Electronics Module Segmentation
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Solution Overview
Problem
Current automated test equipment (ATE) systems face challenges in providing sufficient signal count and functionality for semiconductor testing, particularly due to limitations in BOST circuitry, including high costs, reliability issues, and space constraints on probe cards and load boards, which hinder the ability to achieve increased test parallelism and functionality.
Innovation Solution
The implementation of an ATE system with detachable application-specific electronics modules that are mounted independently of probe cards or load boards, allowing for improved reliability, reduced handling, and better utilization of tester resources such as power and cooling, while enabling increased test parallelism and functionality through modular and reusable components.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If BOST circuitry is integrated on probe cards or load boards to increase test functionality, then test parallelism and functionality are improved, but reliability deteriorates due to handling and space constraints
Solution Approach 1:
The system divides the test equipment into separate functional modules: a reusable tester electronics module and detachable application specific electronics modules. This segmentation allows the electronics to be mounted independently on the tester rather than integrated on probe cards or load boards, improving reliability by eliminating handling of integrated circuits while maintaining test functionality through modular configuration.
2Adaptability or versatility
If custom hardware is designed to provide wide range of test functionality, then adaptability is improved, but cost deteriorates
Solution Approach 1:
The tester electronics module is designed as a universal platform that can support multiple different application specific electronics modules through standardized interfaces. This allows a single reusable tester electronics module to provide wide range of test functionality by simply changing the detachable application specific module, eliminating the need to design custom integrated hardware for each test application and reducing manufacturing costs.
3Productivity
If more electronics are integrated on probe cards to increase signal count, then test parallelism is improved, but device complexity deteriorates
Solution Approach 1:
The system separates the electronics into a reusable tester electronics module and detachable application specific modules, each with dedicated functions. This segmentation achieves high test parallelism through the reusable module's multiple channels while keeping individual application modules relatively simple, reducing overall device complexity compared to integrating all electronics on probe cards.
4Reliability
If detachable application specific modules are used instead of integrated BOST circuitry, then reliability is improved, but device complexity deteriorates
Solution Approach 1:
The reusable tester electronics module serves as a universal platform that can accommodate multiple different application specific modules through standardized interfaces. This universality manages device complexity by providing a consistent architectural framework, making the system more manageable than custom integrated solutions while maintaining improved reliability through detachable modules.
Data Source
AI summary
In one embodiment, an automated test equipment (ATE) system includes a tester having a tester electronics module, an application specific electronics module, and a tester-to-device under test (DUT) interface mount. The tester electronics module has a first electronics interface configured to electrically connect to a tester-to-DUT interface when the tester-to-DUT interface is coupled to the tester-to-DUT interface mount. The application specific electronics module has a second electronics interface and a third electronics interface. The second and third electronics interfaces are configured to electrically connect to the tester-to-DUT interface when the tester-to-DUT interface is coupled to the tester-to-DUT interface mount. The application specific electronics module is configured to communicate with the tester electronics module via the second electronics interface, and with at least one DUT via the third electronics interface.