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United States Patent m

Chau et al.

[ii] Patent Number: [45] Date of Patent:

5,434,093 Jul. 18,1995

[54] INVERTED SPACER TRANSISTOR

[75] Inventors: Robert S. Chau, Beaverton;

Chan-Hong Chern, Portland;
Shahriar S. Ahmed, Beaverton;
Robert F. Hainsey, Portland; Robert
J. Stoner, Aloha; Todd E. Wilke;
Leopoldo D. Yau, both of Portland,
all of Oreg.

[73] Assignee: Intel Corporation, Santa Clara, Calif.

[21] Appl. No.: 288,332

[22] Filed: Aug. 10,1994

[51] Int. Cl.« H01L 21/265

[52] U.S. CI. 437/41; 437/40;

437/44; 437/45; 437/984

[58] Field of Search 437/40, 41, 44, 45,

437/984

[56] References Cited

U.S. PATENT DOCUMENTS

4,378,627 4/1983 Jambotkar 437/41

4,895,520 1/1990 Berg 437/45

5,034,351 7/1991 Sun et al 437/41

5,047,361 9/1991 Matloubian et al 437/40

5,082,794 1/1992 Pfiester et al 437/41

5,091,763 2/1992 Sanchez 437/41

5,175,119 12/1992 Matsutani 437/41

5,217,910 6/1993 Shimizu et al 437/44

5,223,445 6/1993 Fuse 437/44

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