The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Oct. 05, 2021
Filed:
Aug. 08, 2019
Applicant:
Samsung Electronics Co., Ltd., Suwon-si, KR;
Inventors:
Sang-Ik Lee, Hwaseong-si, KR;
Sung-Yong Park, Suwon-si, KR;
Assignee:
SAMSUNG ELECTRONICS CO., LTD., Suwon-si, KR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G01R 31/28 (2006.01); G01R 1/073 (2006.01);
U.S. Cl.
CPC ...
G01R 31/2887 (2013.01); G01R 1/07307 (2013.01); G01R 31/2818 (2013.01);
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.