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.

Date of Patent:
May. 14, 2013

Filed:

Nov. 22, 2005
Applicants:

Satoshi Teshima, Saga-ken, JP;

Michitaka Mikami, Saga-ken, JP;

Inventors:

Satoshi Teshima, Saga-ken, JP;

Michitaka Mikami, Saga-ken, JP;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C22C 5/02 (2006.01); H01L 21/60 (2006.01);
U.S. Cl.
CPC ...
Abstract

An Au bonding wire for semiconductor device, comprising a wire-shaped Au alloy material consisting of: 3-15 mass ppm of Be, 3-40 mass ppm of Ca, 3-20 mass ppm of La, 3-20 mass ppm of at least one functional element selected from the group of Ce, Eu, Mg, and Si, and the remainder of Au, wherein the diameter of said Au alloy bonding wire is less than 23 microns, wherein said bonding wire has improved roundness of compressed bonded ball and improved fracture stress.


Find Patent Forward Citations

Teshima, Satoshi. (2013). Au bonding wire for semiconductor device (U.S. Patent No. 8440137). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/8440137

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

Loading…