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:
Feb. 21, 2012
Filed:
Mar. 30, 2007
Katsumi Abe, Tokyo, JP;
Kenichiro Fujii, Tokyo, JP;
Atsumasa Sawada, Tokyo, JP;
NEC Corporation, Tokyo, JP;
Abstract
Stress concentration at the connecting portion of the electronic component and the curved board and the area around the connecting portion is suppressed. In a flexible wiring board, insulation layers () and wiring layers () are piled up alternately and wiring layers () are via-connected each other. The board comprises reinforced area () reinforced against external stress, bending area () bending easier than the reinforced area () by external stress, and a stress relaxation area () provided in area between the reinforced area () and the bending area (), bending easier than the reinforced area () but not easier than the bending area () by the external stress, and relaxing the stress carried from the bending area () to the reinforced area ().