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.

Date of Patent:
Nov. 09, 2010

Filed:

Oct. 03, 2008
Applicants:

Tomofumi Kitada, Sakura, JP;

Hiroki Maruo, Sakura, JP;

Ryo Takami, Sakura, JP;

Inventors:

Tomofumi Kitada, Sakura, JP;

Hiroki Maruo, Sakura, JP;

Ryo Takami, Sakura, JP;

Assignee:

Fujikura Ltd., Tokyo, JP;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G03F 7/00 (2006.01); G03F 7/40 (2006.01); G03F 7/26 (2006.01);
U.S. Cl.
CPC ...
Abstract

A board interconnection structure having a first printed wiring board in which a first conductive circuit is arranged on a first insulating layer, the first conductive circuit having, on an end portion thereof, a first connection terminal in which an upper surface width is narrower than a bottom surface width; a second printed wiring board in which a second conductive layer having a second connection terminal is arranged on a second insulating layer; and a connection layer that forms fillets along longitudinal side surfaces of the first connection terminal, and interconnects the first connection terminal and the second connection terminal. The first connection terminal may have a projection portion.


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