Title:
GLASS SUBSTRATE AND METHOD FOR PRODUCTION THEREOF
Document Type and Number:
WIPO Patent Application WO/2011/148844
Kind Code:
A1
Abstract:
Disclosed is a method for producing a glass substrate which can be used as a substrate for a thermally assisted magnetic recording medium and which has a magnetic recording layer formed on the surface thereof. The method involves a substrate washing step during the process for the production of the glass substrate, wherein the substrate washing step comprises washing the substrate with a detergent and subsequently removing any organic material from the substrate.
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Inventors:
FUKUMOTO, Naoyuki (INC. 2970, Ishikawa-machi, Hachioji-sh, Tokyo 05, 〒1928505, JP)
Application Number:
JP2011/061486
Publication Date:
December 01, 2011
Filing Date:
May 19, 2011
Export Citation:
Assignee:
KONICA MINOLTA OPTO, INC. (2970, Ishikawa-machi Hachioji-sh, Tokyo 05, 〒1928505, JP)
コニカミノルタオプト株式会社 (〒05 東京都八王子市石川町２９７０番地 Tokyo, 〒1928505, JP)
コニカミノルタオプト株式会社 (〒05 東京都八王子市石川町２９７０番地 Tokyo, 〒1928505, JP)
International Classes:
G11B5/84
Attorney, Agent or Firm:
Fukami Patent Office, p.c. (Nakanoshima Central Tower, 2-7 Nakanoshima 2-chome, Kita-ku, Osaka-sh, Osaka 05, 〒5300005, JP)
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