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:
Oct. 19, 2004
Filed:
Aug. 23, 1999
Applicant:
Inventors:
Jeffrey D. Birdsley, Austin, TX (US);
Michael R. Bruce, Austin, TX (US);
Rama R. Goruganthu, Austin, TX (US);
Brennan V. Davis, Austin, TX (US);
Rosalinda M. Ring, Austin, TX (US);
Assignee:
Advanced Micro Devices, Inc., Sunnyvale, CA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01L 2/130 ; H01L 2/146 ;
U.S. Cl.
CPC ...
H01L 2/130 ; H01L 2/146 ;
Abstract
According to an example embodiment of the present invention, a portion of substrate in the back side of a semiconductor chip is removed as a function of photons emitted through substrate remaining at the back side. The use of emitted photons is used to control the substrate removal process.