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.:

US 6157082 B1

Date of Patent:

Dec. 05, 2000

Filed:

Oct. 05, 1998

Semiconductor device having aluminum contacts or vias and method of

Applicant:

Inventors:

Sailesh M Merchant, Orlando, FL (US);

Binh Nguyenphu, Orlando, FL (US);

Assignee:

Lucent Technologies Inc., Murray Hill, NJ (US);

Attorney:

Primary Examiner:

David Hardy

Assistant Examiner:

Jesse A Fenty

Int. Cl.

CPC ...

H01L / ; H01L / ; H01L / ;

U.S. Cl.

CPC ...

257758 ; 257759 ; 257760 ; 257761 ; 257765 ; 257774 ;

Abstract

A semiconductor device and a method of manufacture therefor. The semiconductor device includes: (1) a substrate having a recess therein, (2) an aluminum-alloy layer located over at least a portion of the substrate and filling at least a portion of the recess and (3) a protective metal layer at least partially diffused in the aluminum-alloy layer, the metal protective layer having a high affinity for oxygen and acting as a sacrificial target for oxygen during a reflow of the aluminum-alloy layer.

Find Patent Forward Citations

Merchant, Sailesh. (2000). Semiconductor device having aluminum contacts or vias and method of (U.S. Patent No. 6157082). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/6157082

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