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US007592675B2

(12) United States Patent

Liaw

(io) Patent No.: (45) Date of Patent:

US 7,592,675 B2 Sep.22, 2009

(54) PARTIAL FINFET MEMORY CELL

(75) Inventor: Jhon-Jhy Liaw, Hsin-Chu (TW)

(73) Assignee: Taiwan Semiconductor Manufacutring Company, Ltd., Hsin-Chu (TW)

( * ) Notice: Subject to any disclaimer, the term of this patent is extended or adjusted under 35 U.S.C. 154(b) by 21 days.

(21) Appl.No.: 11/588,483

(22) Filed: Oct. 27, 2006

(65) Prior Publication Data

US 2008/0105932 Al May 8, 2008

Related U.S. Application Data

(60) Provisional application No. 60/849,047, filed on Oct. 2, 2006.

(51) Int. CI.

H01L 27/092 (2006.01)

(52) U.S. CI 257/371; 257/374; 257/401;

257/E27.062

(58) Field of Classification Search 257/371,

257/374, 401, 903, 904, E27.062, E27.067,

257/E27.098 See application file for complete search history.

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