JPS5639699B2 - - Google Patents
Info
- Publication number
- JPS5639699B2 JPS5639699B2 JP247278A JP247278A JPS5639699B2 JP S5639699 B2 JPS5639699 B2 JP S5639699B2 JP 247278 A JP247278 A JP 247278A JP 247278 A JP247278 A JP 247278A JP S5639699 B2 JPS5639699 B2 JP S5639699B2
- Authority
- JP
- Japan
- 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.)
- Expired
Links
Landscapes
- Heat Treatment Of Nonferrous Metals Or Alloys (AREA)
- Magnetic Record Carriers (AREA)
- Manufacturing Of Magnetic Record Carriers (AREA)
- Laminated Bodies (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP247278A JPS5495912A (en) | 1978-01-13 | 1978-01-13 | Aluminum substrate for magnetic disc and manufacture thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP247278A JPS5495912A (en) | 1978-01-13 | 1978-01-13 | Aluminum substrate for magnetic disc and manufacture thereof |
Related Child Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP6474285A Division JPS6176643A (en) | 1985-03-28 | 1985-03-28 | Aluminum substrate for magnetic disk |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS5495912A JPS5495912A (en) | 1979-07-28 |
| JPS5639699B2 true JPS5639699B2 (en) | 1981-09-16 |
Family
ID=11530252
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP247278A Granted JPS5495912A (en) | 1978-01-13 | 1978-01-13 | Aluminum substrate for magnetic disc and manufacture thereof |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5495912A (en) |
Families Citing this family (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6056415B2 (en) * | 1980-09-05 | 1985-12-10 | 株式会社神戸製鋼所 | Manufacturing method of Al alloy plate for magnetic disk |
| JPS59157255A (en) * | 1983-02-25 | 1984-09-06 | Nippon Light Metal Co Ltd | Aluminum alloy material for superprecision working to form specular surface |
| JPS59193538A (en) * | 1983-04-18 | 1984-11-02 | Mitsubishi Alum Co Ltd | Al alloy for substrate of magnetic disk |
| JPS59193539A (en) * | 1983-04-18 | 1984-11-02 | Mitsubishi Alum Co Ltd | Al alloy for substrate of magnetic disk |
| JPS60262936A (en) * | 1984-06-11 | 1985-12-26 | Kobe Steel Ltd | Extrusion aluminum alloy superior in vapor deposition characteristic of amorphous silicon |
| JPH0615699B2 (en) * | 1984-12-12 | 1994-03-02 | キヤノン株式会社 | Photoconductive member for electrophotography |
| JPS61159545A (en) * | 1984-12-29 | 1986-07-19 | Canon Inc | Aluminum alloy for precision working, and tubing and photo-conductive member by use of it |
| JPS61199046A (en) * | 1985-02-28 | 1986-09-03 | Showa Alum Corp | Aluminum alloy material for photosensitive drum of electrophotographic copying machine |
| JPS63216953A (en) * | 1987-03-05 | 1988-09-09 | Sumitomo Light Metal Ind Ltd | Production of al alloyed substrate for magnetic disk |
| JPH0690792B2 (en) * | 1987-04-15 | 1994-11-14 | 株式会社神戸製鋼所 | Method for manufacturing Al substratum for magnetic disk |
| JPH0372051A (en) * | 1989-08-11 | 1991-03-27 | Kobe Steel Ltd | Al-mg alloy for mirror-like finishing and its manufacture |
| JPH03100146A (en) * | 1989-09-13 | 1991-04-25 | Kobe Steel Ltd | Production of high capacitance-aluminum disk |
| JP6640958B1 (en) * | 2018-11-15 | 2020-02-05 | 株式会社神戸製鋼所 | Aluminum alloy plate for magnetic disk, aluminum alloy blank for magnetic disk and aluminum alloy substrate for magnetic disk |
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1978
- 1978-01-13 JP JP247278A patent/JPS5495912A/en active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS5495912A (en) | 1979-07-28 |