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:
Aug. 15, 1995
Filed:
Nov. 26, 1993
Applicant:
Inventor:
Toshio Mimoto, Nara, JP;
Assignee:
Sharp Kabushiki Kaisha, Osaka, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H01L / ; H01L / ;
U.S. Cl.
CPC ...
257361 ; 257362 ; 257355 ; 257546 ; 361111 ;
Abstract
A semiconductor apparatus includes multiple protection devices to protect against electrostatic discharge to an internal circuit contained in the semiconductor apparatus. The semiconductor apparatus includes plural terminals including a ground terminal, a substrate bias terminal, a power supply terminal, and an input/output signal terminal. Plural protection devices are connected between various ones of these terminals to provide the necessary discharge protection for a variety of discharge scenarios.