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:
Jul. 16, 2002
Filed:
Sep. 14, 2000
Applicant:
Inventors:
Scott K. Pozder, Austin, TX (US);
Harold A. Downey, Austin, TX (US);
Thomas S. Kobayashi, Austin, TX (US);
Assignee:
Motorola, Inc., Schaumburg, IL (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H01L 2/144 ;
U.S. Cl.
CPC ...
H01L 2/144 ;
Abstract
In a semiconductor device, a method forms an alternative ground contact for a semiconductor die in which bulk silicon at the back of a die may be electrically grounded to an area containing functional devices and/or to packaging substrate by conductive fillet material surrounding the die and in contact with the bulk silicon and with a guard ring surrounding the area containing functional devices and/or the packaging substrate.