Title:
METHOD FOR PRODUCING GLASS SUBSTRATE FOR INFORMATION RECORDING MEDIUM, GLASS SUBSTRATE FOR INFORMATION RECORDING MEDIUM, AND INFORMATION RECORDING MEDIUM
Document Type and Number:
WIPO Patent Application WO/2008/062657
Kind Code:
A1
Abstract:
Disclosed is a method for producing a glass substrate for information recording
medium, which enables to efficiently produce a glass substrate having both high
strength due to chemical strengthening and high smoothness. Also disclosed
are a glass substrate for information recording medium which is produced by such
a production method, and an information recording medium using such a glass substrate.
Inventors:
ISHIDA FUTOSHI (JP)
NAKATSUJI YUKITOSHI (JP)
SAWADA HIROAKI (JP)
SAEKI SHINICHI (JP)
NAKATSUJI YUKITOSHI (JP)
SAWADA HIROAKI (JP)
SAEKI SHINICHI (JP)
Application Number:
PCT/JP2007/071486
Publication Date:
May 29, 2008
Filing Date:
November 05, 2007
Export Citation:
Assignee:
KONICA MINOLTA OPTO INC (JP)
ISHIDA FUTOSHI (JP)
NAKATSUJI YUKITOSHI (JP)
SAWADA HIROAKI (JP)
SAEKI SHINICHI (JP)
ISHIDA FUTOSHI (JP)
NAKATSUJI YUKITOSHI (JP)
SAWADA HIROAKI (JP)
SAEKI SHINICHI (JP)
International Classes:
G11B5/84; C03C15/00; C03C19/00; C03C21/00; G11B5/73
Foreign References:
| JP2003036528A | 2003-02-07 | |||
| JP2003277102A | 2003-10-02 |
Download PDF: