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. 31, 2001
Filed:
Oct. 29, 1999
Naoki Fukutomi, Yuki, JP;
Yoshiaki Wakashima, Kawasaki, JP;
Susumu Naoyuki, Yuki, JP;
Akinari Kida, Tochigi-ken, JP;
Hitachi Chemical Co., Ltd., , JP;
Abstract
A semiconductor device comprising a substrate with a cavity portion for mounting a semiconductor chip is provided to achieve a high reliability and to decrease a size and a fabricating cost. The cavity portion capable of mounting the semiconductor chip (,) at the center portion of the substrate is formed by press forming with a projected portion (,) of a die (,) while adhering a press shapeable wiring body comprising a copper wiring (,) which becomes wiring material, a barrier layer (,) such as nickel alloy or the like, and a copper foil (,) which is a carrier layer, to a plastic substrate (,), so as to have wiring (,) buried into a surface of the substrate and to form a ramp between an inner connection terminal portion connecting to the semiconductor chip (,) and an external connection terminal portion connecting to an external connection terminals (,), the internal and external connection terminal portions being two edge portions of the wiring (,).