JPS6269827U - - Google Patents
Info
- Publication number
- JPS6269827U JPS6269827U JP1985159768U JP15976885U JPS6269827U JP S6269827 U JPS6269827 U JP S6269827U JP 1985159768 U JP1985159768 U JP 1985159768U JP 15976885 U JP15976885 U JP 15976885U JP S6269827 U JPS6269827 U JP S6269827U
- Authority
- JP
- Japan
- Prior art keywords
- magnetic disk
- periphery
- base
- outermost
- annular recess
- 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
Classifications
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B23/00—Record carriers not specific to the method of recording or reproducing; Accessories, e.g. containers, specially adapted for co-operation with the recording or reproducing apparatus ; Intermediate mediums; Apparatus or processes specially adapted for their manufacture
- G11B23/0014—Record carriers not specific to the method of recording or reproducing; Accessories, e.g. containers, specially adapted for co-operation with the recording or reproducing apparatus ; Intermediate mediums; Apparatus or processes specially adapted for their manufacture record carriers not specifically of filamentary or web form
- G11B23/0021—Record carriers not specific to the method of recording or reproducing; Accessories, e.g. containers, specially adapted for co-operation with the recording or reproducing apparatus ; Intermediate mediums; Apparatus or processes specially adapted for their manufacture record carriers not specifically of filamentary or web form discs
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B5/00—Recording by magnetisation or demagnetisation of a record carrier; Reproducing by magnetic means; Record carriers therefor
- G11B5/74—Record carriers characterised by the form, e.g. sheet shaped to wrap around a drum
- G11B5/82—Disk carriers
- G11B5/825—Disk carriers flexible discs
Landscapes
- Magnetic Record Carriers (AREA)
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1985159768U JPH0519849Y2 (US20050075337A1-20050407-C00081.png) | 1985-10-18 | 1985-10-18 | |
| US06/918,912 US4779160A (en) | 1985-10-18 | 1986-10-15 | Magnetic recording disk |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1985159768U JPH0519849Y2 (US20050075337A1-20050407-C00081.png) | 1985-10-18 | 1985-10-18 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS6269827U true JPS6269827U (US20050075337A1-20050407-C00081.png) | 1987-05-01 |
| JPH0519849Y2 JPH0519849Y2 (US20050075337A1-20050407-C00081.png) | 1993-05-25 |
Family
ID=15700842
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1985159768U Expired - Lifetime JPH0519849Y2 (US20050075337A1-20050407-C00081.png) | 1985-10-18 | 1985-10-18 |
Country Status (2)
| Country | Link |
|---|---|
| US (1) | US4779160A (US20050075337A1-20050407-C00081.png) |
| JP (1) | JPH0519849Y2 (US20050075337A1-20050407-C00081.png) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4887178A (en) * | 1988-06-13 | 1989-12-12 | Minnesota Mining And Manufacturing Company | Aligned stretched surface recording medium |
| JP2003178546A (ja) * | 2001-12-13 | 2003-06-27 | Fuji Photo Film Co Ltd | 磁気ディスクカートリッジ |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5252602A (en) * | 1975-10-24 | 1977-04-27 | Pioneer Electronic Corp | Record disc |
| JPS60101720A (ja) * | 1984-10-17 | 1985-06-05 | Hitachi Ltd | 磁気デイスク |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE1246812B (de) * | 1962-12-17 | 1967-08-10 | Soemmerda Bueromaschwerk | Magnetspeicher |
| US3462817A (en) * | 1967-03-31 | 1969-08-26 | North American Rockwell | Prestressed sheets for supporting members |
| US4631609A (en) * | 1984-02-16 | 1986-12-23 | Minnesota Mining And Manufacturing Company | Stretched surface recording disk substrate |
-
1985
- 1985-10-18 JP JP1985159768U patent/JPH0519849Y2/ja not_active Expired - Lifetime
-
1986
- 1986-10-15 US US06/918,912 patent/US4779160A/en not_active Expired - Lifetime
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5252602A (en) * | 1975-10-24 | 1977-04-27 | Pioneer Electronic Corp | Record disc |
| JPS60101720A (ja) * | 1984-10-17 | 1985-06-05 | Hitachi Ltd | 磁気デイスク |
Also Published As
| Publication number | Publication date |
|---|---|
| US4779160A (en) | 1988-10-18 |
| JPH0519849Y2 (US20050075337A1-20050407-C00081.png) | 1993-05-25 |
