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. 28, 2014
Filed:
Jul. 08, 2011
Applicants:
Tommie Edward Berry, Pleasanton, CA (US);
Alistair Nicholas Sporck, Saratoga, CA (US);
Inventors:
Tommie Edward Berry, Pleasanton, CA (US);
Alistair Nicholas Sporck, Saratoga, CA (US);
Assignee:
FormFactor, Inc., Livermore, CA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G01R 31/20 (2006.01); G01R 1/073 (2006.01);
U.S. Cl.
CPC ...
G01R 1/07342 (2013.01);
Abstract
Methods and apparatus for testing devices using serially controlled intelligent switches have been described. In some embodiments, a probe card assembly can be provided that includes a plurality of integrated circuits (ICs) serially coupled to form a chain, the chain coupled to at least one serial control line, the plurality of ICs including switches coupled to test probes, each of the switches being programmable responsive to a control signal on the at least one serial control line.