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:
Sep. 12, 2006

Filed:

Apr. 29, 2004
Applicants:

Qi Xiang, San Jose, CA (US);

Matthew S. Buynoski, Palo Alto, CA (US);

Inventors:

Qi Xiang, San Jose, CA (US);

Matthew S. Buynoski, Palo Alto, CA (US);

Assignee:

Advanced Micro Devices, Inc., Sunnyvale, CA (US);

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01L 21/00 (2006.01);
U.S. Cl.
CPC ...
Abstract

A field effect transistor (FET) is formed on a silicon on insulator (SOI) substrate in the thin silicon layer above the insulating buried oxide layer. The channel region is lightly doped with a first impurity to increase free carrier conductivity of a first type. The source region and the drain region are heavily dopes with the first impurity. A gate and a back gate are positioned along the side of the channel region and extending from the source region and is implanted with a second semiconductor with an energy gap greater than silicon and is implanted with an impurity to increase free carrier flow of a second type.


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