FR2289022B1 - - Google Patents
Info
- Publication number
- FR2289022B1 FR2289022B1 FR7532000A FR7532000A FR2289022B1 FR 2289022 B1 FR2289022 B1 FR 2289022B1 FR 7532000 A FR7532000 A FR 7532000A FR 7532000 A FR7532000 A FR 7532000A FR 2289022 B1 FR2289022 B1 FR 2289022B1
- Authority
- FR
- France
- 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
Classifications
-
- 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
-
- 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
- G11B5/62—Record carriers characterised by the selection of the material
- G11B5/73—Base layers, i.e. all non-magnetic layers lying under a lowermost magnetic recording layer, e.g. including any non-magnetic layer in between a first magnetic recording layer and either an underlying substrate or a soft magnetic underlayer
- G11B5/739—Magnetic recording media substrates
- G11B5/73911—Inorganic substrates
- G11B5/73913—Composites or coated substrates
-
- 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
- G11B5/62—Record carriers characterised by the selection of the material
- G11B5/73—Base layers, i.e. all non-magnetic layers lying under a lowermost magnetic recording layer, e.g. including any non-magnetic layer in between a first magnetic recording layer and either an underlying substrate or a soft magnetic underlayer
- G11B5/739—Magnetic recording media substrates
- G11B5/73911—Inorganic substrates
- G11B5/73917—Metallic substrates, i.e. elemental metal or metal alloy substrates
- G11B5/73919—Aluminium or titanium elemental or alloy substrates
Landscapes
- Engineering & Computer Science (AREA)
- Metallurgy (AREA)
- Chemical & Material Sciences (AREA)
- Inorganic Chemistry (AREA)
- Magnetic Record Carriers (AREA)
- Manufacturing Of Magnetic Record Carriers (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12194874A JPS5337203B2 (US08087162-20120103-C00010.png) | 1974-10-24 | 1974-10-24 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| FR2289022A1 FR2289022A1 (fr) | 1976-05-21 |
| FR2289022B1 true FR2289022B1 (US08087162-20120103-C00010.png) | 1980-01-04 |
Family
ID=14823871
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR7532000A Granted FR2289022A1 (fr) | 1974-10-24 | 1975-10-20 | Support pour disque magnetique |
Country Status (5)
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5168207A (ja) * | 1974-12-10 | 1976-06-12 | Fujitsu Ltd | Jikideisukuyokibanno seizohoho |
| JPS5760957Y2 (US08087162-20120103-C00010.png) * | 1978-09-14 | 1982-12-25 | ||
| DE3014718A1 (de) * | 1980-04-17 | 1981-10-22 | Ibm Deutschland Gmbh, 7000 Stuttgart | Mehrschichtige magnetische duennfilmplatte mit kunstharzschicht sowie verfahren zur herstellung derselben |
| JPS59180832A (ja) * | 1983-03-31 | 1984-10-15 | Nippon Light Metal Co Ltd | 磁気記録材用アルマイト基板 |
| JPS6022733A (ja) * | 1983-07-19 | 1985-02-05 | Hitachi Metals Ltd | 磁気デイスク基板 |
| US4552820A (en) * | 1984-04-25 | 1985-11-12 | Lin Data Corporation | Disc media |
| GB2191511A (en) * | 1986-06-10 | 1987-12-16 | Komatsu Mfg Co Ltd | Fabricating an electro-photographic photosensor |
-
1974
- 1974-10-24 JP JP12194874A patent/JPS5337203B2/ja not_active Expired
-
1975
- 1975-10-17 NL NLAANVRAGE7512229,A patent/NL182180C/xx not_active IP Right Cessation
- 1975-10-20 FR FR7532000A patent/FR2289022A1/fr active Granted
- 1975-10-23 DE DE19752547408 patent/DE2547408A1/de active Pending
- 1975-10-24 GB GB43941/75A patent/GB1493160A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| JPS5148303A (US08087162-20120103-C00010.png) | 1976-04-26 |
| NL182180C (nl) | 1988-01-18 |
| NL7512229A (nl) | 1976-04-27 |
| FR2289022A1 (fr) | 1976-05-21 |
| JPS5337203B2 (US08087162-20120103-C00010.png) | 1978-10-07 |
| DE2547408A1 (de) | 1976-04-29 |
| GB1493160A (en) | 1977-11-23 |
Similar Documents
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| TP | Transmission of property |