Surface treatment of disk-shaped nickel-plated aluminum substrates

United States of America Patent

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Jun 6, 1989
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N/A
app pub date
Aug 6, 1987
filing date
Aug 30, 1986

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Expired

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Abstract

Disk-shaped nickel-plated aluminum substrates which are used as bases in the production of magnetic recording disks having a magnetizable metallic layer are surface treated by polishing and texturing.

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Patent Owner	Address
BASF AKTIENGESELLSCHAFT FED REP OF GERMANY	6700 LUDWIGSHAFEN RHEINLAND-PFALZ

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B24B:MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR PO....

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[Patents Count]

Inventor(s)

Inventor Name	Address	# of filed Patents	Total Citations
Bender, Rainer	Oberkirch, DE	1	15
Doerr, Kurt	Mannheim, DE	1	15
Domas, Friedrich	Altlussheim, DE	5	44
Grau, Werner	Bobenheim-Roxheim, DE	25	230
Loeser, Werner	Ludwigshafen, DE	11	80
Maurer, Gerd	Kaiserslautern, DE	1	15
Richter, Juergen	Ludwigshafen, DE	1	15
Schulze, Axel-Ruediger	Offenburg, DE	1	15

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Surface treatment of disk-shaped nickel-plated aluminum substrates

Number of patents in Portfolio can not be more than 2000

United States of America Patent

07082226

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PATENT NO	4835909
SERIAL NO	07082226
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