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:
Sep. 19, 2023
Filed:
Sep. 13, 2021
Applicant:
Globalfoundries Singapore Pte. Ltd., Singapore, SG;
Inventors:
Guoquan Teo, Singapore, SG;
Meng Yew Seah, Singapore, SG;
Yongshun Sun, Singapore, SG;
Eng Huat Toh, Singapore, SG;
Assignee:
GLOBALFOUNDRIES Singapore Pte. Ltd., Singapore, SG;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G01R 1/07 (2006.01); G01R 1/073 (2006.01); G01R 31/28 (2006.01); G01R 35/00 (2006.01); G01R 33/07 (2006.01);
U.S. Cl.
CPC ...
G01R 1/07342 (2013.01); G01R 31/2851 (2013.01); G01R 33/07 (2013.01); G01R 35/005 (2013.01);
Abstract
The present disclosure provides a wafer probe card including: a non-magnetic printed circuit board (PCB) having a first side and a second side opposite the first side, the first side configured to face a magnet; a plurality of connection structures provided on the first side of the non-magnetic PCB; and a Hall sensor unit fixedly provided on the first side of the non-magnetic PCB, the Hall sensor electrically connected to at least one of the plurality of connection structures.