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. 26, 2013
Filed:
Jan. 12, 2010
Toru Furuta, Ogaki, JP;
Kotaro Takagi, Ogaki, JP;
Michio Ido, Ogaki, JP;
Akihiro Miyata, Ogaki, JP;
Fumitaka Takagi, Ogaki, JP;
Toru Furuta, Ogaki, JP;
Kotaro Takagi, Ogaki, JP;
Michio Ido, Ogaki, JP;
Akihiro Miyata, Ogaki, JP;
Fumitaka Takagi, Ogaki, JP;
Ibiden Co., Ltd., Ogaki-shi, JP;
Abstract
A method for manufacturing a printed wiring board includes forming a metal film on a surface of an insulative board, a plating resist on the metal film, and a plated-metal film on the metal film exposed from the plating resist, covering a portion of the plated-metal film with an etching resist, etching to reduce thickness of the plated-metal film exposed from the etching resist, removing the etching and plating resists, and forming a wiring having a pad for wire-bonding an electrode of an electronic component and a conductive circuit thinner than the pad by removing the metal film exposed after the plating resist is removed, a solder-resist layer on the surface of the board and wiring, an opening in the layer exposing the pad and a portion of the circuit contiguous to the pad, and a metal coating on the pad and portion of the circuit exposed through the opening.