Cohu. has been granted a patent for a contact socket module designed for automated test equipment (ATE). This module features spring contacts with DUT-sided tips, a movable retracting plate, and a controller that manages the plate’s position to facilitate the testing and release of electronic components. GlobalData’s report on Cohu gives a 360-degree view of the company including its patenting strategy. Buy the report here.
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According to GlobalData’s company profile on Cohu, was a key innovation area identified from patents. Cohu's grant share as of July 2024 was 60%. Grant share is based on the ratio of number of grants to total number of patents.
Contact socket module for automated testing of electronic components
The patent US12044702B2 describes a contact socket module designed for automated test equipment (ATE) used in testing electronic components, referred to as devices under test (DUTs). The module features multiple groups of spring contacts, each equipped with a DUT-sided contact tip. A retracting plate, controlled by a controller, facilitates the movement of these contact tips between a test position and a release position. In the test position, the contact tips engage with the electronic components, while in the release position, the tips retract to disengage from the components. The controller manages this movement, allowing for efficient testing and release of DUTs.
Additionally, the patent outlines various enhancements to the contact socket module, including mechanisms for pre-loading and stressing the spring contacts, as well as features like elevated abutting faces to limit the retracting plate's movement. The module can also incorporate a pump to provide air pressure, aiding in the retraction process. The ATE can consist of multiple contact socket modules arranged in parallel, enabling simultaneous testing of multiple DUTs. Furthermore, the system may utilize a vacuum source to hold the electronic components securely during testing. Overall, the patent presents a comprehensive solution for improving the efficiency and effectiveness of testing electronic components in automated environments.
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