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:
Jun. 20, 2006
Filed:
Jan. 20, 2004
Applicants:
Donald C. Abbott, Chartley, MA (US);
Douglas W. Romm, Sherman, TX (US);
Inventors:
Donald C. Abbott, Chartley, MA (US);
Douglas W. Romm, Sherman, TX (US);
Assignee:
Texas Instruments Incorporated, Dallas, TX (US);
Primary Examiner:
Int. Cl.
CPC ...
H01L 21/50 (2006.01);
U.S. Cl.
CPC ...
Abstract
A leadframe for use with integrated circuit chips comprising a base metal having a plated layer of nickel fully covering the base metal; a plated layer of pure tin on the nickel layer, selectively covering areas of the leadframe intended for attachment to other parts; and a plated layer of palladium on said nickel layer, selectively covering areas of said Leadframe intended for bonding wire attachment.