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:
Sep. 14, 2004
Filed:
Oct. 18, 1999
Applicant:
Inventors:
Masaru Fuku, Tokyo, JP;
Hirotoshi Maekawa, Tokyo, JP;
Assignee:
Mitsubishi Denki Kabushiki Kaisha, Tokyo, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H01L 2/348 ;
U.S. Cl.
CPC ...
H01L 2/348 ;
Abstract
There is provided a high performance onboard semiconductor device with low manufacturing costs and low repair costs. The onboard semiconductor device includes a power chip substrate on which a power chip is mounted, a control substrate provided with an electrical part in relation to the power chip, and an outer enclosing case in which the power chip substrate and the control substrate are contained, and is characterized in that the control substrate and the outer enclosing case are removably fixed to each other.