High precision, rapid laser hole drilling

United States of America Patent

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Mar 8, 2005
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app pub date
Feb 8, 2001
filing date
Feb 8, 2001

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Expired

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Abstract

A laser system produces a first laser beam for rapidly removing the bulk of material in an area to form a ragged hole. The laser system produces a second laser beam for accurately cleaning up the ragged hole so that the final hole has dimensions of high precision.

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Patent Owner(s)

LAWRENCE LIVERMORE NATIONAL SECURITY, LLC

International Classification(s)

B23K:SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLA....

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Inventor Name	Address	# of filed Patents	Total Citations
Chang, Jim J	San Ramon, CA	8	143
Comaskey, Brian J	Walnut Creek, CA	11	68
Friedman, Herbert W	Oakland, CA	7	172

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High precision, rapid laser hole drilling

Number of patents in Portfolio can not be more than 2000

United States of America Patent

09781073

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US Family Size	Non-US Coverage
Patent Longevity Expired	Forward Citations

DATE PUBLISHED	PUBLICATION/PATENT NO.	PUBLICATION TYPE
March 08, 2005	US,6864459,B2 US6864459B2	GRANTED PATENT AS SECOND PUBLICATION
August 08, 2002	US,20020104831,A1 US20020104831A1	FIRST PUBLISHED PATENT APPLICATION

PATENT NO	6864459
SERIAL NO	09781073
DOCKET NO

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09781073

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