Method of manufacturing metal foil for electrolytic capacitor

United States of America Patent

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Jul 23, 2013
Grant Date
Sep 17, 2009
app pub date
Mar 11, 2009
filing date
Mar 12, 2008

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Abstract

The invention provides a method of manufacturing a metal foil for an electrolytic capacitor. In the case of slitting a wide metal strip subjected to etching treatment into a predetermined size with a cutting blade, a slitting portion of the heated wide metal strip is slit to provide the metal foil with few burrs and cracks at the slit edge surface.

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Patent Owner(s)

Patent Owner	Address
SANYO ELECTRIC CO LTD	MORIGUCHI-SHI OSAKA 570-8677
SAGA SANYO INDUSTRIES CO LTD	217 OAZAFUKUMO OMACHICHO KISHIMA-GUN SAGA 849-2102

International Classification(s)

H01L:SEMICONDUCTOR DEVICES; ELECTRIC SOLID STATE DEVICE....

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Inventor Name	Address	# of filed Patents	Total Citations
Matsumoto, Takayuki	Saga, JP	153	2159

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Method of manufacturing metal foil for electrolytic capacitor

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United States of America Patent

12401696

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PATENT NO	8491672
APP PUB NO	20090231783A1
SERIAL NO	12401696
DOCKET NO

US Family Size	Non-US Coverage
Patent Longevity	Forward Citations

DATE PUBLISHED	PUBLICATION/PATENT NO.	PUBLICATION TYPE
July 23, 2013	US,8491672,B2 US8491672B2	GRANTED PATENT AS SECOND PUBLICATION
September 17, 2009	US,20090231783,A1 US20090231783A1	FIRST PUBLISHED PATENT APPLICATION

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12401696

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