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. 23, 2002
Filed:
Feb. 23, 2000
Katsumi Sameshima, Kyoto, JP;
Rohm Co., Ltd., Kyoto, JP;
Abstract
A semiconductor device having a chip-on-chip structure. The device includes a first semiconductor chip having a connecting portion provided on its surface, a second semiconductor chip overlapped with and jointed to the surface of the first semiconductor chip and having a connecting portion provided on its surface opposite to the first semiconductor chip, and a deformable interlinkage for linking the connecting portion in the first semiconductor chip and the connecting portion in the second semiconductor chip together. The interlinkage may includes a connecting projection having flexibility provided in a standing condition on a vertex surface of the connecting portion in at least one of the first semiconductor chip and the second semiconductor chip.