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 6809414 B1

PDF
Full Text
Expired
Date of Patent:
Oct. 26, 2004

Filed:

Nov. 29, 2002
Applicant:
Inventors:

Charles W.C. Lin, Singapore, SG;

Cheng-Lien Chiang, Taipei, TW;

Assignee:
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H01L 2/348 ;
U.S. Cl.
CPC ...
H01L 2/348 ;
Abstract

A method of connecting a conductive trace to a semiconductor chip includes providing a semiconductor chip, a conductive trace and a base, wherein the chip includes a conductive pad, the base includes a recess, the conductive trace includes a bumped terminal in the recess, the bumped terminal includes a cavity that extends into and faces away from the recess, the base contacts and covers the conductive trace on a side opposite the chip, and the conductive trace and the base are different metals, mechanically attaching the chip to the conductive trace using an insulative adhesive that extends into the cavity, etching the base to expose the conductive trace, and forming a connection joint that contacts and electrically connects the conductive trace and the pad. Preferably, the bumped terminal is inside a periphery of the chip, and the adhesive fills the cavity.


Find Patent Forward Citations

Lin, Charles W.C.. (2004). Semiconductor chip assembly with bumped conductive trace (U.S. Patent No. 6809414). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/6809414

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

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