Process and system for quality management and analysis of via drilling

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United States of America Patent

PATENT NO 7544304
SERIAL NO

11484531

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ATTORNEY / AGENT: (SPONSORED)

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Abstract

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A process for laser forming a blind via in at least one layer of a circuit substrate having a plurality of capture pads of varying geometry can include, for at least one blind via to be formed in at least one layer of a circuit substrate, evaluating a capture pad geometry value (such as area and/or volume) within a predetermined distance from a drilling location with respect to a blind via geometry value (such as area and/or volume) to be formed at the drilling location. The process can include setting at least one laser operating parameter based on the evaluation in order to obtain a desired capture pad appearance after blind via formation. The process can include imaging a capture pad area defined as an area within a predetermined distance from a blind via drilling location in at least one layer of a circuit substrate, quantifying at least one appearance value for the imaged capture pad area, and determining an acceptability of the imaged capture pad areas based on the quantified appearance value.

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Patent Owner(s)

Patent OwnerAddress
BARCLAYS BANK PLC AS COLLATERAL AGENT745 SEVENTH AVENUE NEW YORK NY 10019

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Baldwin, Leo Portland , US 31 457
Childers, David V Portland, US 2 5
Howerton, Jeffrey E Portland, US 2 5
Matsumoto, Hisashi Hillsboro, US 60 1192
Singer, Mark Tualatin, US 13 281

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