Manufacturing method for printed circuit board

Number of patents in Portfolio can not be more than 2000

United States of America Patent

PATENT NO 9040831
APP PUB NO 20140083743A1
SERIAL NO

14023965

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ATTORNEY / AGENT: (SPONSORED)

Importance

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Abstract

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A printed circuit board is manufactured by forming on a top surface of a support base, in a pattern having a predetermined width, a first metal layer for defining boundary ends between adjacent printed circuit boards in a printed circuit board assembly, forming on top of the first metal layer a wiring structure portion having an insulating layer and a conductive layer for each printed circuit board in the printed circuit board assembly, forming, in the wiring structure portion, grooves having a pattern corresponding to the pattern of the first metal layer to expose the first metal layer, forming a second metal layer on the wall surface of the grooves in the wiring structure portion, and cutting the first metal layer on the bottom surface of the grooves to separate each printed circuit board.

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First Claim

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Patent Owner(s)

  • INTERNATIONAL BUSINESS MACHINES CORPORATION

International Classification(s)

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Ishida, Mitsuya Ritto, JP 1 4
Mori, Hiroyuki Nagahara, JP 394 3160

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