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.
Patent No.:
Date of Patent:
Dec. 05, 2000
Filed:
Mar. 06, 2000
Applicant:
Inventor:
Kazuhito Tsutsumi, Hyogo, JP;
Assignee:
Mitsubishi Denki Kabushiki Kaisha, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G11C / ; H01L / ;
U.S. Cl.
CPC ...
365156 ; 365 63 ; 257369 ; 257903 ; 438153 ; 438154 ;
Abstract
An SRAM is provided in which adjacent contact holes cannot be connected and which can be miniaturized. An SRAM memory cell includes a gate electrode formed on a silicon substrate, and an interlayer insulation film covering the gate electrode. The interlayer insulation film has a contact hole which reaches an active region and a contact hole which reaches the gate electrode. The contact holes are positioned almost in a lattice manner.