JPH01103014U - - Google Patents
Info
- Publication number
- JPH01103014U JPH01103014U JP19988987U JP19988987U JPH01103014U JP H01103014 U JPH01103014 U JP H01103014U JP 19988987 U JP19988987 U JP 19988987U JP 19988987 U JP19988987 U JP 19988987U JP H01103014 U JPH01103014 U JP H01103014U
- Authority
- JP
- Japan
- Prior art keywords
- disk
- outer peripheral
- peripheral edge
- whetstone
- grindstone
- 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.)
- Granted
Links
- 230000002093 peripheral effect Effects 0.000 claims 3
- 238000003754 machining Methods 0.000 claims 1
- 238000000034 method Methods 0.000 claims 1
Landscapes
- Magnetic Record Carriers (AREA)
- Manufacturing Of Magnetic Record Carriers (AREA)
- Manufacturing Optical Record Carriers (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1987199889U JPH0743776Y2 (ja) | 1987-12-28 | 1987-12-28 | ディスクの加工装置 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1987199889U JPH0743776Y2 (ja) | 1987-12-28 | 1987-12-28 | ディスクの加工装置 |
Publications (2)
Publication Number | Publication Date |
---|---|
JPH01103014U true JPH01103014U (sh) | 1989-07-12 |
JPH0743776Y2 JPH0743776Y2 (ja) | 1995-10-09 |
Family
ID=31490322
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP1987199889U Expired - Lifetime JPH0743776Y2 (ja) | 1987-12-28 | 1987-12-28 | ディスクの加工装置 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPH0743776Y2 (sh) |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS61172220A (ja) * | 1985-01-25 | 1986-08-02 | Sony Corp | デイスク基板の製造方法 |
JPS62241841A (ja) * | 1986-04-15 | 1987-10-22 | Kiyokuei Kenma Kako Kk | 糸面つき穴加工法ならびに加工用工具 |
JPS6313148A (ja) * | 1985-05-27 | 1988-01-20 | Toshihiko Hirabayashi | 光磁気記録用フロツピ−デイスクのガラス基板の同心度を高める方法およびその装置 |
-
1987
- 1987-12-28 JP JP1987199889U patent/JPH0743776Y2/ja not_active Expired - Lifetime
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS61172220A (ja) * | 1985-01-25 | 1986-08-02 | Sony Corp | デイスク基板の製造方法 |
JPS6313148A (ja) * | 1985-05-27 | 1988-01-20 | Toshihiko Hirabayashi | 光磁気記録用フロツピ−デイスクのガラス基板の同心度を高める方法およびその装置 |
JPS62241841A (ja) * | 1986-04-15 | 1987-10-22 | Kiyokuei Kenma Kako Kk | 糸面つき穴加工法ならびに加工用工具 |
Also Published As
Publication number | Publication date |
---|---|
JPH0743776Y2 (ja) | 1995-10-09 |