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:
Nov. 20, 2012
Filed:
Jun. 18, 2010
Applicant:
Rama I. Hegde, Austin, TX (US);
Inventor:
Rama I. Hegde, Austin, TX (US);
Assignee:
Freescale Semiconductor, Inc., Austin, TX (US);
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
G01N 31/20 (2006.01); G01N 33/20 (2006.01); B44C 1/22 (2006.01); C23F 1/30 (2006.01);
U.S. Cl.
CPC ...
Abstract
A method of testing a contact structure including exposing a gold layer of at least one contact structure of a support structure to a solution including glacial acetic acid and nitric acid; and determining a porosity of the gold layer of at least one contact structure after the exposing.