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:
Oct. 19, 1999

Filed:

Aug. 26, 1997
Applicant:
Inventors:

Koji Yamashita, Tokyo, JP;

Yasunori Tanaka, Tokyo, JP;

Eiji Hagimoto, Tokyo, JP;

Assignee:

NEC Corporation, Tokyo, JP;

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H01L / ;
U.S. Cl.
CPC ...
257693 ; 257786 ; 257778 ;
Abstract

A chip package device comprises on its outside surface a plurality of wire bonding electrodes adjacent a plurality of facedown electrodes. The chip package device comprises an IC chip having a plurality of chip electrodes on its face surface and a contact sheet having an inside surface on the face surface and comprising on the outside surface a plurality of conductor patterns which comprises portions extending through the contact sheet to the chip electrodes, respectively, and defines the facedown and the wire bonding electrodes. Such chip package devices can be mounted on a printed circuit board in whichever of a facedown and a wire bonding manner when primary and secondary pads are formed on the board for mechanical and electrical connection to the facedown electrodes, respectively, and for electric connection by bonding wires to the wire bonding electrodes, respectively.


Find Patent Forward Citations

Loading…