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:
Jun. 03, 2014
Filed:
Apr. 17, 2009
Applicants:
Ken Takeuchi, Tokyo, JP;
Tadashi Yasufuku, Tokyo, JP;
Koichi Ishida, Tokyo, JP;
Makoto Takamiya, Tokyo, JP;
Takayasu Sakurai, Tokyo, JP;
Inventors:
Ken Takeuchi, Tokyo, JP;
Tadashi Yasufuku, Tokyo, JP;
Koichi Ishida, Tokyo, JP;
Makoto Takamiya, Tokyo, JP;
Takayasu Sakurai, Tokyo, JP;
Assignee:
The University of Tokyo, Tokyo, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H01L 25/00 (2006.01); G05F 1/46 (2006.01); H02M 3/145 (2006.01); G11C 16/30 (2006.01); G11C 5/14 (2006.01);
U.S. Cl.
CPC ...
Abstract
The interposeris disposed on an upper surface of the stacked structureformed by stacking a plurality of a DRAM chipand a plurality of a flash memory chip. Thus down-size of an entire device is accomplished. A boost converter having an inductor is used as a voltage boost circuit. Thus down-size of the entire device is accomplished.