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.:

US 6906391 B1

PDF
Full Text
Expired
Date of Patent:
Jun. 14, 2005

Filed:

Jun. 04, 2003
Applicant:

Shoji Sudo, Mizuho, JP;

Inventor:

Shoji Sudo, Mizuho, JP;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01L029/78 ;
U.S. Cl.
CPC ...
Abstract

A semiconductor device whose working life can be improved is obtained. This semiconductor device comprises a first conductive layer, a second conductive layer and a silicon oxide film, formed between the first and second conductive layers, containing chlorine introduced therein. Thus, the silicon oxide film is inhibited from formation of electron traps while a large number of holes are formed in an initial stage of electron injection into the silicon oxide film.


Find Patent Forward Citations

Sudo, Shoji. (2005). Semiconductor device having silicon oxide film (U.S. Patent No. 6906391). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/6906391

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