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:
May. 06, 2003
Filed:
Apr. 26, 2001
Applicant:
Inventors:
Assignee:
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H01L 2/3495 ;
U.S. Cl.
CPC ...
H01L 2/3495 ;
Abstract
A structure of a stacked-type multi-chip stack package of the leadframe, the shape of the stair-like inner leads can be regulated for the high and the amount of stacked chips and to match different bonding technology. The process for forming the present structure can be easily performed by visible equipment and materials, and the present structure can raise the reliability of bonding process. The present invention can stack multi-chip (more than two).