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Title:
SEMICONDUCTOR DEVICE AND ITS MANUFACTURE
Document Type and Number:
Japanese Patent JP3504025
Kind Code:
B2
Abstract:

PURPOSE: To prevent the formation of a parasitic transistor and the decline in threshold voltage by making the shape of a semiconductor layer a proper one after oxidization.
CONSTITUTION: On side faces of a semiconductor layer 3, side wall insulating films 30 with the width increased downward are formed. On the semiconductor layer 3 and the side wall insulating films 30, a gate electrode layer 5 is formed.


Inventors:
Toshiaki Iwamatsu
Yasuo Inoue
Application Number:
JP13944995A
Publication Date:
March 08, 2004
Filing Date:
June 06, 1995
Export Citation:
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Assignee:
Mitsubishi Electric Corporation
International Classes:
H01L21/336; H01L21/762; H01L21/84; H01L27/12; H01L29/786; (IPC1-7): H01L29/786; H01L21/336; H01L21/762
Domestic Patent References:
JP63288058A
JP3169025A
JP2103952A
JP322567A
JP5166919A
Attorney, Agent or Firm:
Fukami Hisaro (5 others)



 
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