JPS6322989B2 - - Google Patents
Info
- Publication number
- JPS6322989B2 JPS6322989B2 JP10696781A JP10696781A JPS6322989B2 JP S6322989 B2 JPS6322989 B2 JP S6322989B2 JP 10696781 A JP10696781 A JP 10696781A JP 10696781 A JP10696781 A JP 10696781A JP S6322989 B2 JPS6322989 B2 JP S6322989B2
- Authority
- JP
- Japan
- Prior art keywords
- magnetic
- recording medium
- latent image
- transformation point
- head core
- 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
- 239000000463 material Substances 0.000 claims abstract description 29
- 230000009466 transformation Effects 0.000 claims abstract description 11
- 239000000696 magnetic material Substances 0.000 claims abstract description 9
- 230000035699 permeability Effects 0.000 claims description 20
- 238000010438 heat treatment Methods 0.000 claims description 16
- 238000004804 winding Methods 0.000 abstract description 6
- 239000004020 conductor Substances 0.000 abstract description 4
- 125000006850 spacer group Chemical group 0.000 abstract description 2
- 239000011162 core material Substances 0.000 description 11
- 238000000034 method Methods 0.000 description 10
- 230000005415 magnetization Effects 0.000 description 4
- 229910000859 α-Fe Inorganic materials 0.000 description 4
- 230000004907 flux Effects 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 229910018605 Ni—Zn Inorganic materials 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000012800 visualization Methods 0.000 description 2
- 229910000640 Fe alloy Inorganic materials 0.000 description 1
- 229910001096 P alloy Inorganic materials 0.000 description 1
- 229910004298 SiO 2 Inorganic materials 0.000 description 1
- 239000011230 binding agent Substances 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000020169 heat generation Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 238000007639 printing Methods 0.000 description 1
- 229920006395 saturated elastomer Polymers 0.000 description 1
- 238000004544 sputter deposition Methods 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41J—TYPEWRITERS; SELECTIVE PRINTING MECHANISMS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS
- B41J2/00—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed
- B41J2/385—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed characterised by selective supply of electric current or selective application of magnetism to a printing or impression-transfer material
- B41J2/43—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed characterised by selective supply of electric current or selective application of magnetism to a printing or impression-transfer material for magnetic printing
-
- 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
- G11B2005/0002—Special dispositions or recording techniques
- G11B2005/0005—Arrangements, methods or circuits
- G11B2005/0021—Thermally assisted recording using an auxiliary energy source for heating the recording layer locally to assist the magnetization reversal
-
- 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
- G11B5/29—Structure or manufacture of unitary devices formed of plural heads for more than one track
-
- 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
- G11B5/48—Disposition or mounting of heads or head supports relative to record carriers ; arrangements of heads, e.g. for scanning the record carrier to increase the relative speed
- G11B5/49—Fixed mounting or arrangements, e.g. one head per track
- G11B5/4969—Details for track selection or addressing
-
- 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
- G11B5/48—Disposition or mounting of heads or head supports relative to record carriers ; arrangements of heads, e.g. for scanning the record carrier to increase the relative speed
- G11B5/49—Fixed mounting or arrangements, e.g. one head per track
- G11B5/4969—Details for track selection or addressing
- G11B5/4984—Structure of specially adapted switching heads
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Magnetic Heads (AREA)
- Printers Or Recording Devices Using Electromagnetic And Radiation Means (AREA)
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10696781A JPS588667A (ja) | 1981-07-10 | 1981-07-10 | 磁気記録ヘツド |
| US06/396,504 US4520409A (en) | 1981-07-10 | 1982-07-08 | Thermal and magnetic recording head |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10696781A JPS588667A (ja) | 1981-07-10 | 1981-07-10 | 磁気記録ヘツド |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS588667A JPS588667A (ja) | 1983-01-18 |
| JPS6322989B2 true JPS6322989B2 (Direct) | 1988-05-13 |
Family
ID=14447079
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP10696781A Granted JPS588667A (ja) | 1981-07-10 | 1981-07-10 | 磁気記録ヘツド |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS588667A (Direct) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS61293176A (ja) * | 1985-06-19 | 1986-12-23 | Toyo Electric Mfg Co Ltd | 電力変換装置の過電圧抑制回路 |
| JPH01129277A (ja) * | 1987-11-13 | 1989-05-22 | Sanyo Electric Co Ltd | 記録装置 |
| JP4101240B2 (ja) | 2005-01-28 | 2008-06-18 | Ｔｄｋ株式会社 | 磁気ヘッド |
-
1981
- 1981-07-10 JP JP10696781A patent/JPS588667A/ja active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS588667A (ja) | 1983-01-18 |
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