JPS4910244B1 - - Google Patents
Info
- Publication number
- JPS4910244B1 JPS4910244B1 JP45112037A JP11203770A JPS4910244B1 JP S4910244 B1 JPS4910244 B1 JP S4910244B1 JP 45112037 A JP45112037 A JP 45112037A JP 11203770 A JP11203770 A JP 11203770A JP S4910244 B1 JPS4910244 B1 JP S4910244B1
- 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.)
- Pending
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
- G11B5/84—Processes or apparatus specially adapted for manufacturing record 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
- G11B5/68—Record carriers characterised by the selection of the material comprising one or more layers of magnetisable material homogeneously mixed with a bonding agent
- G11B5/70—Record carriers characterised by the selection of the material comprising one or more layers of magnetisable material homogeneously mixed with a bonding agent on a base layer
-
- 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
Landscapes
- Manufacturing Of Magnetic Record Carriers (AREA)
- Paints Or Removers (AREA)
- Magnetic Record Carriers (AREA)
Priority Applications (5)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP45112037A JPS4910244B1 (OSRAM) | 1970-12-15 | 1970-12-15 | |
| GB5812871A GB1381869A (en) | 1970-12-15 | 1971-12-14 | Method of producing magnetic recording tape |
| CA130,060A CA952771A (en) | 1970-12-15 | 1971-12-14 | Method of producing magnetic recording tape |
| US208236A US3916039A (en) | 1970-12-15 | 1971-12-15 | Method of producing magnetic recording tape |
| DE2162272A DE2162272C3 (de) | 1970-12-15 | 1971-12-15 | Verfahren zum Herstellen eines magnetischen Aufzeichnungsbandes |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP45112037A JPS4910244B1 (OSRAM) | 1970-12-15 | 1970-12-15 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS4910244B1 true JPS4910244B1 (OSRAM) | 1974-03-09 |
Family
ID=14576413
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP45112037A Pending JPS4910244B1 (OSRAM) | 1970-12-15 | 1970-12-15 |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US3916039A (OSRAM) |
| JP (1) | JPS4910244B1 (OSRAM) |
| CA (1) | CA952771A (OSRAM) |
| DE (1) | DE2162272C3 (OSRAM) |
| GB (1) | GB1381869A (OSRAM) |
Families Citing this family (23)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4098916A (en) * | 1975-09-29 | 1978-07-04 | Leonard Crawford Ruthart | Process of dispensing, measuring, coating and cutting sheet material |
| JPS52150605A (en) * | 1976-06-10 | 1977-12-14 | Fuji Photo Film Co Ltd | Production of magnetic recorder |
| DE3113859A1 (de) * | 1980-04-07 | 1982-01-28 | Fuji Photo Film Co., Ltd., Minami-Ashigara, Kanagawa | Magnetisches aufzeichnungsmaterial |
| JPS57130234A (en) * | 1981-02-02 | 1982-08-12 | Fuji Photo Film Co Ltd | Magnetic recording medium |
| JPS5928232A (ja) * | 1982-08-09 | 1984-02-14 | Victor Co Of Japan Ltd | 磁気記録媒体 |
| JPS5930237A (ja) * | 1982-08-10 | 1984-02-17 | Victor Co Of Japan Ltd | 磁気記録媒体 |
| JPS5930246A (ja) * | 1982-08-12 | 1984-02-17 | Fuji Photo Film Co Ltd | 磁気記録媒体の表面平滑化装置 |
| DE3420466A1 (de) * | 1984-06-01 | 1985-12-05 | Basf Ag, 6700 Ludwigshafen | Verfahren zur herstellung von magnetogrammtraegern |
| US4756856A (en) * | 1984-12-20 | 1988-07-12 | Polaroid Corporation | Method of and apparatus for forming surface of magnetic media |
| JPH08512075A (ja) * | 1993-06-30 | 1996-12-17 | ミネソタ マイニング アンド マニュファクチャリング カンパニー | 新規の架橋剤を含む磁気記録媒体 |
| US20030054203A1 (en) * | 1997-10-22 | 2003-03-20 | Quantum Corporation, A California Corporation | Magnetic tape |
| US7153366B1 (en) | 1998-03-24 | 2006-12-26 | Quantum Corporation | Systems and method for forming a servo pattern on a magnetic tape |
| GB2335785B (en) * | 1998-03-24 | 2002-09-18 | Quantum Corp | Multi-channel magnetic tape system having optical tracking servo |
| US7029726B1 (en) | 1999-07-27 | 2006-04-18 | Quantum Corporation | Method for forming a servo pattern on a magnetic tape |
| US6741415B1 (en) | 1999-02-16 | 2004-05-25 | Quantum Corporation | Method of writing servo signal on magnetic tape |
| US6771450B1 (en) | 1999-02-17 | 2004-08-03 | Quantum Corporation | Method of writing servo signal on magnetic tape |
| US6961200B2 (en) * | 1999-07-27 | 2005-11-01 | Quantum Corporation | Optical servo track identification on tape storage media |
| US6558774B1 (en) | 1999-08-17 | 2003-05-06 | Quantum Corporation | Multiple-layer backcoating for magnetic tape |
| US6940676B1 (en) | 2000-06-07 | 2005-09-06 | Quantum Corporation | Triple push-pull optical tracking system |
| US6940681B2 (en) | 2001-08-20 | 2005-09-06 | Quantum Corporation | Optical to magnetic alignment in magnetic tape system |
| US7023650B2 (en) | 2001-11-07 | 2006-04-04 | Quantum Corporation | Optical sensor to recording head alignment |
| US6980390B2 (en) | 2003-02-05 | 2005-12-27 | Quantum Corporation | Magnetic media with embedded optical servo tracks |
| US7187515B2 (en) | 2003-02-05 | 2007-03-06 | Quantum Corporation | Method and system for tracking magnetic media with embedded optical servo tracks |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2804401A (en) * | 1955-04-11 | 1957-08-27 | Bernard A Cousino | Magnetic sound tape |
| US3276946A (en) * | 1961-04-25 | 1966-10-04 | Pleasant T Cole | Low friction magnetic recording tape |
| US3148082A (en) * | 1961-06-26 | 1964-09-08 | Ibm | Magnetic recording media |
| US3293066A (en) * | 1962-12-19 | 1966-12-20 | Ibm | High speed antistatic magnetic member |
| US3216846A (en) * | 1963-01-21 | 1965-11-09 | Gevaert Photo Prod Nv | Process for producing a magnetic recording material |
| US3398011A (en) * | 1964-09-10 | 1968-08-20 | Reeves Ind Inc | Method of lubricating a coated magnetic record member |
| US3473960A (en) * | 1966-12-12 | 1969-10-21 | Ampex | Surface finishing of magnetic tape by solvent exchange |
| US3617378A (en) * | 1969-09-29 | 1971-11-02 | Ibm | Magnetic recording media |
-
1970
- 1970-12-15 JP JP45112037A patent/JPS4910244B1/ja active Pending
-
1971
- 1971-12-14 GB GB5812871A patent/GB1381869A/en not_active Expired
- 1971-12-14 CA CA130,060A patent/CA952771A/en not_active Expired
- 1971-12-15 US US208236A patent/US3916039A/en not_active Expired - Lifetime
- 1971-12-15 DE DE2162272A patent/DE2162272C3/de not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| DE2162272A1 (de) | 1972-06-22 |
| CA952771A (en) | 1974-08-13 |
| DE2162272C3 (de) | 1981-06-19 |
| US3916039A (en) | 1975-10-28 |
| DE2162272B2 (de) | 1980-07-03 |
| GB1381869A (en) | 1975-01-29 |