FR2171159A1 - - Google Patents
Info
- Publication number
- FR2171159A1 FR2171159A1 FR7304068A FR7304068A FR2171159A1 FR 2171159 A1 FR2171159 A1 FR 2171159A1 FR 7304068 A FR7304068 A FR 7304068A FR 7304068 A FR7304068 A FR 7304068A FR 2171159 A1 FR2171159 A1 FR 2171159A1
- 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.)
- Granted
Links
Classifications
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- 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
-
- 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
-
- 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
- G11B5/84—Processes or apparatus specially adapted for manufacturing record carriers
- G11B5/842—Coating a support with a liquid magnetic dispersion
- G11B5/845—Coating a support with a liquid magnetic dispersion in a magnetic field
-
- 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
- G11B5/84—Processes or apparatus specially adapted for manufacturing record carriers
- G11B5/852—Orientation in a magnetic field
Landscapes
- Chemical & Material Sciences (AREA)
- Dispersion Chemistry (AREA)
- Manufacturing Of Magnetic Record Carriers (AREA)
- Paints Or Removers (AREA)
- Magnetic Record Carriers (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US22418772A | 1972-02-07 | 1972-02-07 |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2171159A1 true FR2171159A1 (en) | 1973-09-21 |
FR2171159B3 FR2171159B3 (en) | 1976-01-30 |
Family
ID=22839626
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR7304068A Expired FR2171159B3 (en) | 1972-02-07 | 1973-02-06 |
Country Status (5)
Country | Link |
---|---|
JP (1) | JPS4892003A (en) |
CA (1) | CA1010567A (en) |
DE (1) | DE2304518A1 (en) |
FR (1) | FR2171159B3 (en) |
GB (1) | GB1415799A (en) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4208447A (en) * | 1978-06-05 | 1980-06-17 | International Business Machines Corporation | Method for disorienting magnetic particles |
JPH0687304B2 (en) * | 1986-04-01 | 1994-11-02 | 富士写真フイルム株式会社 | Method of manufacturing magnetic recording medium |
-
1973
- 1973-01-03 CA CA160,456A patent/CA1010567A/en not_active Expired
- 1973-01-31 DE DE19732304518 patent/DE2304518A1/en active Pending
- 1973-02-01 GB GB518373A patent/GB1415799A/en not_active Expired
- 1973-02-01 JP JP48012507A patent/JPS4892003A/ja active Pending
- 1973-02-06 FR FR7304068A patent/FR2171159B3/fr not_active Expired
Also Published As
Publication number | Publication date |
---|---|
JPS4892003A (en) | 1973-11-29 |
FR2171159B3 (en) | 1976-01-30 |
CA1010567A (en) | 1977-05-17 |
GB1415799A (en) | 1975-11-26 |
DE2304518A1 (en) | 1973-08-09 |
Similar Documents
Legal Events
Date | Code | Title | Description |
---|---|---|---|
ST | Notification of lapse |