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:
Nov. 12, 2013
Filed:
Dec. 30, 2010
Toru Nakai, Ogaki, JP;
Tetsuo Amano, Ogaki, JP;
Yoshinori Takasaki, Ogaki, JP;
Ibiden Co., Ltd., Ogaki-shi, JP;
Abstract
A wiring board includes an insulation layer containing a resin and a silica-type filler and having a roughened surface, and a conductive layer formed on the roughened surface of the insulation layer and having a first conductive portion and a second conductive portion positioned adjacent to the first conductive portion. The roughened surface of the insulation layer has a roughness under the first conductive portion, a roughness under the second conductive portion, and a roughness between the first conductive portion and the second conductive portion, and the roughness between the first conductive portion and the second conductive portion is set less than at least one of the roughness under the first conductive portion and the roughness under the second conductive portion.