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:
Jan. 29, 2019
Filed:
Mar. 14, 2018
Applicant:
Texas Instruments Incorporated, Dallas, TX (US);
Inventors:
Ann Margaret Gabrys, Woodside, CA (US);
Mark Willam Poulter, Orinda, CA (US);
Assignee:
Other;
Primary Examiner:
Int. Cl.
CPC ...
G01R 31/00 (2006.01); G01R 1/073 (2006.01); G01R 31/28 (2006.01);
U.S. Cl.
CPC ...
G01R 1/07342 (2013.01); G01R 31/2889 (2013.01);
Abstract
A probe card includes a mechanical support fixture having an inner aperture with a plurality of probes secured to the fixture that includes probe tips that extend into the inner aperture for contacting probe pads on die of a wafer to be probed. At least one magnetic shield includes a magnetic material that at least substantially surrounds a projected volume over an area that encloses the probe tips. The magnetic material has a relative magnetic permeability of at least 800.