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 June 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) that facilitates the testing of 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 dedicated controller, moves between two positions: a first position where the contact tips engage with the DUTs for testing, and a second position that releases the contact. The design allows for precise control over the contact engagement and disengagement process, enhancing the efficiency of the testing procedure.
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 retracting plate movement. The module can also incorporate a pump to provide air pressure, aiding in the retracting process. The ATE system can include multiple contact socket modules arranged in parallel, enabling simultaneous testing of multiple DUTs. Furthermore, the system may utilize a vacuum source to securely hold the DUTs during testing, ensuring stability and accuracy throughout the testing process. This innovative design aims to improve the reliability and speed of electronic component testing in automated environments.
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GlobalData Patent Analytics tracks bibliographic data, legal events data, point in time patent ownerships, and backward and forward citations from global patenting offices. Textual analysis and official patent classifications are used to group patents into key thematic areas and link them to specific companies across the world’s largest industries.
