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:
Apr. 25, 2006
Filed:
Nov. 23, 2004
Applicant:
John Durbin Husher, Santa Clara, CA (US);
Inventor:
John Durbin Husher, Santa Clara, CA (US);
Assignee:
Micrel, Inc., San Jose, CA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01L 21/331 (2006.01);
U.S. Cl.
CPC ...
Abstract
A method and system for providing a ground strap on a semiconductor device is disclosed. The method and system includes providing a substrate region and providing an epitaxial (EPI) layer over the substrate region. The method and system includes etching a plurality of device structures in the EPI layer and providing a slot in the semiconductor substrate that is in contact with the substrate region. Finally, the method and system includes oxidizing the slot except at the bottom of the slot and providing a metal within the slot.