Magnetic disc with low-friction glass substrate

United States of America Patent

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Jun 2, 1992
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N/A
app pub date
Feb 6, 1990
filing date
Feb 6, 1990

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Expired

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Abstract

A thin-film medium formed on a low-friction glass substrate. The substrate is micro-roughened by plasma etching, under conditions which produce a desired surface density of zero crossings and depth of microscopic surface irregularities.

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Patent Owner(s)

Patent Owner	Address
HMT TECHNOLOGY CORPORATION 1220 PAGE AVE FREMONT CA A CORP OF DE	Not Provided
HITACHI VIDEO ENGINEERING INCORPORATED 292 YOSHIDACHO TOTSUKA-KU YOKOHAMA-SHI KANAGAWA-KEN JAPAN A CORP OF JAPAN	Not Provided

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G11B:INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BET....

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Inventor(s)

Inventor Name	Address	# of filed Patents	Total Citations
Eltoukhy, Atef H	Saratoga, CA	25	446
Tsai, Hsiao-Chu	Fremont, CA	2	42

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Magnetic disc with low-friction glass substrate

Number of patents in Portfolio can not be more than 2000

United States of America Patent

07475715

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PATENT NO	5119258
SERIAL NO	07475715
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07475715

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