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:
Nov. 04, 2003

Filed:

May. 06, 2002
Applicant:
Inventors:

Ching-Shan Lu, Tainan, TW;

Kuo-Bin Huang, Tainan, TW;

Jih-Churng Twu, Chung-Ho, TW;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01L 2/1322 ;
U.S. Cl.
CPC ...
H01L 2/1322 ;
Abstract

A method for preventing oxide layer peeling in a high temperature annealing process including providing a plurality of spaced apart stacked semiconductor wafers for carrying out a high temperature annealing process including ambient nitrogen gas the plurality of spaced apart stacked semiconductor wafers stacked such that a process surface including an oxide layer of at least one semiconductor wafer is adjacent to a backside surface of another semiconductor wafer said backside surface having a layer of silicon nitride formed thereon prior to carrying out the high temperature annealing process; and, carrying out the high temperature annealing process.


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