JPH01168535U - - Google Patents
Info
- Publication number
- JPH01168535U JPH01168535U JP6225588U JP6225588U JPH01168535U JP H01168535 U JPH01168535 U JP H01168535U JP 6225588 U JP6225588 U JP 6225588U JP 6225588 U JP6225588 U JP 6225588U JP H01168535 U JPH01168535 U JP H01168535U
- Authority
- JP
- Japan
- Prior art keywords
- support
- fixing rods
- substrate
- donut
- circular hole
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 239000000758 substrate Substances 0.000 claims description 5
- 238000004140 cleaning Methods 0.000 description 2
- 239000011521 glass Substances 0.000 description 1
Landscapes
- Manufacturing Of Magnetic Record Carriers (AREA)
- Manufacturing Optical Record Carriers (AREA)
- Surface Treatment Of Glass (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP6225588U JPH01168535U (is) | 1988-05-13 | 1988-05-13 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP6225588U JPH01168535U (is) | 1988-05-13 | 1988-05-13 |
Publications (1)
Publication Number | Publication Date |
---|---|
JPH01168535U true JPH01168535U (is) | 1989-11-28 |
Family
ID=31287882
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP6225588U Pending JPH01168535U (is) | 1988-05-13 | 1988-05-13 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPH01168535U (is) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2007095208A (ja) * | 2005-09-29 | 2007-04-12 | Hoya Corp | 磁気記録ディスクの製造方法 |
JPWO2008078528A1 (ja) * | 2006-12-26 | 2010-04-22 | コニカミノルタオプト株式会社 | 保持治具、該保持治具を用いた記録媒体用ガラス基板の製造方法、記録媒体用ガラス基板及び記録媒体 |
-
1988
- 1988-05-13 JP JP6225588U patent/JPH01168535U/ja active Pending
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2007095208A (ja) * | 2005-09-29 | 2007-04-12 | Hoya Corp | 磁気記録ディスクの製造方法 |
JP4623652B2 (ja) * | 2005-09-29 | 2011-02-02 | ダブリュディ・メディア・シンガポール・プライベートリミテッド | 磁気記録ディスクの製造方法 |
JPWO2008078528A1 (ja) * | 2006-12-26 | 2010-04-22 | コニカミノルタオプト株式会社 | 保持治具、該保持治具を用いた記録媒体用ガラス基板の製造方法、記録媒体用ガラス基板及び記録媒体 |