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:
Jul. 17, 1990
Filed:
Sep. 15, 1988
Applicant:
Inventors:
Assignee:
Citizen Watch Co., Ltd., Tokyo, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H01L / ; H01L / ; H01L / ; H01L / ;
U.S. Cl.
CPC ...
357 68 ; 357 71 ; 357 80 ; 361412 ; 361413 ; 361393 ;
Abstract
A device for packaging many memory IC chips having a plurality of common connecting terminals on a main circuit board. A plurality of IC chips are packaged on an auxiliary board to make an IC chip unit, and a plurality of IC chip units are aligned on the main circuit board. The connections between unit-connecting terminals provided on the respective IC chip units and the main circuit board are made by means of wiring patterns on the main circuit board.