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公开(公告)号：US11137442B2
公开(公告)日：2021-10-05
申请号：US16535433
申请日：2019-08-08
Applicant: SAMSUNG ELECTRONICS CO., LTD.
Inventor： Sang-Ik Lee , Sung-Yong Park
Abstract: A stiffener of a probe card includes: a body plate arranged between a test head and a printed circuit board (PCB) of the probe card, wherein the test head is configured to apply a test signal to an object, and the PCB is configured to receive the test signal; a plurality of ribs radially extending from the body plate; an inner rim configured to surround the body plate to connect middle portions of the ribs with each other; and a plurality of contact members arranged on upper surfaces of at least two ribs among the ribs, and configured to make contact with the test head.
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