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.

Date of Patent:
May. 07, 1991

Filed:

Sep. 30, 1988
Applicant:
Inventors:

Kyu-Hyun Choi, Seoul, KR;

Heyung-Sub Lee, Daejun, KR;

Jung-Hwan Lee, Seoul, KR;

Assignee:
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H01L / ;
U.S. Cl.
CPC ...
437194 ; 437 47 ; 437 48 ; 437 51 ; 437 60 ; 437193 ; 437200 ; 148D / ; 148D / ;
Abstract

A method being capable of achieving the reduction in contact resistance between each layer when bringing a silicide layer into contact with a polycrystalline-silicon (polysilicon) layer in the manufacture of semiconductor devices. The method comprises the steps of forming a polysilicon layer and a silicide layer thereon over a partial top surface of a semiconductor substrate, forming an insulating layer over said silicide layer and the entire top surface of the substrate, forming a contact window by etching the partial area of the insulating layer over said silicide layer, and forming a polysilicon layer over the entire top surface of the substrate after performing ion-implantation through said contact window, wherein said ion-implantation is performed with N-type high doping into the silicide.


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