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:
Oct. 12, 1999
Filed:
Oct. 24, 1997
Applicant:
Inventor:
Yang-Soo Sung, Inchon, KR;
Assignee:
LG Semicon., Ltd., Cheongju, KR;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H01L / ; H01L / ; H01L / ;
U.S. Cl.
CPC ...
257355 ; 357339 ; 357361 ; 357362 ;
Abstract
An input protection circuit which makes it possible to protect an internal circuit with respect to withstanding an electro-static charge by forming multiple discharge loops by connecting each input pad via an input protection circuit. The circuit includes a plurality of pads formed on a P well within a substrate, first discharge paths formed between neighboring pads, and a second discharge path formed between the pads and circuit ground.