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:
May. 02, 2017
Filed:
Dec. 27, 2013
Applicant:
Nitto Denko Corporation, Ibaraki-shi, Osaka, JP;
Inventors:
Assignee:
NITTO DENKO CORPORATION, Ibaraki-shi, Osaka, JP;
Primary Examiner:
Int. Cl.
CPC ...
H05K 3/02 (2006.01); H05K 3/10 (2006.01); H05K 3/46 (2006.01); H05K 1/02 (2006.01); H05K 3/00 (2006.01); G11B 5/48 (2006.01);
U.S. Cl.
CPC ...
H05K 3/4644 (2013.01); H05K 3/0097 (2013.01); G11B 5/486 (2013.01); H05K 1/0271 (2013.01); H05K 3/0052 (2013.01); H05K 2201/09781 (2013.01); Y10T 29/49124 (2015.01);
Abstract
A dummy trace portion is provided in a region between at least a suspension board with circuit on one end side and a support frame of a suspension board assembly sheet with circuits. A base insulating layer is formed on a support substrate in the dummy trace portion. A plurality of conductor traces are formed on the base insulating layer, and a cover insulating layer is formed on the base insulating layer to cover each conductor trace. At least one of the base insulating layer and the cover insulating layer in the dummy trace portion has a groove.