JPS623487B2 - - Google Patents
Info
- Publication number
- JPS623487B2 JPS623487B2 JP52069448A JP6944877A JPS623487B2 JP S623487 B2 JPS623487 B2 JP S623487B2 JP 52069448 A JP52069448 A JP 52069448A JP 6944877 A JP6944877 A JP 6944877A JP S623487 B2 JPS623487 B2 JP S623487B2
- Authority
- JP
- Japan
- Prior art keywords
- magnetic
- recording medium
- magnetic recording
- recording
- traveling direction
- 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.)
- Expired
Links
- 230000005291 magnetic effect Effects 0.000 claims description 98
- 238000013459 approach Methods 0.000 claims description 8
- 239000003302 ferromagnetic material Substances 0.000 claims description 5
- 125000006850 spacer group Chemical group 0.000 claims description 5
- 239000000696 magnetic material Substances 0.000 claims description 4
- 239000004020 conductor Substances 0.000 claims description 2
- 239000000463 material Substances 0.000 claims description 2
- 239000002184 metal Substances 0.000 claims 1
- 230000004907 flux Effects 0.000 description 8
- 238000000034 method Methods 0.000 description 5
- 230000005415 magnetization Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
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
- G11B5/127—Structure or manufacture of heads, e.g. inductive
- G11B5/1278—Structure or manufacture of heads, e.g. inductive specially adapted for magnetisations perpendicular to the surface of the record carrier
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Magnetic Heads (AREA)
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP6944877A JPS545417A (en) | 1977-06-14 | 1977-06-14 | Magnetic head |
US05/915,162 US4222084A (en) | 1977-06-14 | 1978-06-14 | Magnetic head |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP6944877A JPS545417A (en) | 1977-06-14 | 1977-06-14 | Magnetic head |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS545417A JPS545417A (en) | 1979-01-16 |
JPS623487B2 true JPS623487B2 (en]) | 1987-01-26 |
Family
ID=13402920
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP6944877A Granted JPS545417A (en) | 1977-06-14 | 1977-06-14 | Magnetic head |
Country Status (2)
Country | Link |
---|---|
US (1) | US4222084A (en]) |
JP (1) | JPS545417A (en]) |
Families Citing this family (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5616932A (en) * | 1979-07-18 | 1981-02-18 | Olympus Optical Co Ltd | Recording and reproducing head for vertical magnetic recording and manufacture of this recording and reproducing head and recording and reproducing unit using this recording and reproducing head |
US4317148A (en) * | 1980-01-24 | 1982-02-23 | Sperry Corporation | Transducer for perpendicular magnetic recording |
FR2478357A1 (fr) * | 1980-03-11 | 1981-09-18 | Lcc Cice Cie Europ Comp Electr | Tete magnetique d'enregistrement et de lecture de donnees magnetiques, a largeur de piste variable |
JPS56165918A (en) * | 1980-05-23 | 1981-12-19 | Ricoh Co Ltd | Vertical magnetic recorder and reproducer |
WO1982002790A1 (en) * | 1981-02-08 | 1982-08-19 | Akio Ohtsubo | Vertical recording-type single pole magnetic head |
DE3213928A1 (de) * | 1981-04-15 | 1982-11-18 | Canon Denshi K.K., Chichibu, Saitama | Senkrecht - magnetkopf |
US4745509A (en) * | 1981-08-21 | 1988-05-17 | Matsushita Electric Industrial Company, Limited | Magnetic head with improved supporter for perpendicular magnetization recording |
FR2535097B1 (fr) * | 1982-10-22 | 1989-04-07 | Cii Honeywell Bull | Dispositif d'ecriture d'informations sur un support magnetique |
US4803582A (en) * | 1983-06-23 | 1989-02-07 | Victor Company Of Japan Ltd. | Perpendicular magnetization type magnetic head having a magnetic pole part which forms a closed magnetic path |
FR2549271B1 (fr) * | 1983-07-13 | 1989-05-26 | Cii Honeywell Bull | Transducteur magnetique hautement integre d'ecriture d'informations sur un support magnetique |
US4700253A (en) * | 1983-11-22 | 1987-10-13 | Minnesota Mining And Manufacturing Company | Slanted pole head for magnetic recording |
JPS6187859A (ja) * | 1984-10-04 | 1986-05-06 | Showa Denko Kk | 溶射皮膜形成方法 |
JPH1092144A (ja) * | 1996-09-18 | 1998-04-10 | Tdk Corp | テープカセット |
DE10210326B4 (de) * | 2002-03-08 | 2019-02-21 | Asm Automation Sensorik Messtechnik Gmbh | Magnetisieren von magnetischen Meßkörpern |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3064087A (en) * | 1957-08-19 | 1962-11-13 | Minnesota Mining & Mfg | Magnetic recording devices |
US3313889A (en) * | 1961-06-12 | 1967-04-11 | Machinski Edward | Magnetic head with thin edge pole pieces |
US3371164A (en) * | 1962-11-10 | 1968-02-27 | Matsushita Electric Ind Co Ltd | Combined magnetic transducing and erase head |
NL145079B (nl) * | 1964-02-25 | 1975-02-17 | Philips Nv | Inrichting voor het verminderen, c.q. opheffen van overspraak bij een dubbelspleetsmagneetkop. |
NL156849B (nl) * | 1966-09-15 | 1978-05-16 | Philips Nv | Magnetische schrijf-lees-wiskop. |
US3653011A (en) * | 1970-04-15 | 1972-03-28 | Ncr Co | Three pole tip read after write transducer |
JPS5838843B2 (ja) * | 1973-11-20 | 1983-08-25 | ティーディーケイ株式会社 | 磁気記録再生方式 |
-
1977
- 1977-06-14 JP JP6944877A patent/JPS545417A/ja active Granted
-
1978
- 1978-06-14 US US05/915,162 patent/US4222084A/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
JPS545417A (en) | 1979-01-16 |
US4222084A (en) | 1980-09-09 |
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