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Patent Searching and Data


Title:
SEMICONDUCTOR DEVICE
Document Type and Number:
Japanese Patent JPH0669355
Kind Code:
A
Abstract:

PURPOSE: To make it possible to surely embed a conductive layer in a contact hole easily and simply.

CONSTITUTION: An elliptical first contact hole 3a is provided in a first insulation film 3 between a first conductive layer 2 and a second conductive layer 4 to be connected together, and an elliptical second contact hole 5a is provided in a second insulation film 5 between the second conductive layer 4 and a third conductive layer 6 to be connected together, and these first and second contact holes are placed in different regions respectively.


Inventors:
INAGAKI TAKU
Application Number:
JP21988292A
Publication Date:
March 11, 1994
Filing Date:
August 19, 1992
Export Citation:
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Assignee:
FUJITSU LTD
International Classes:
H01L23/522; H01L21/768; H01L29/41; (IPC1-7): H01L21/90; H01L29/44
Attorney, Agent or Firm:
Teiichi