JPS60182507A - 磁気ヘツド - Google Patents
磁気ヘツドInfo
- Publication number
- JPS60182507A JPS60182507A JP3774284A JP3774284A JPS60182507A JP S60182507 A JPS60182507 A JP S60182507A JP 3774284 A JP3774284 A JP 3774284A JP 3774284 A JP3774284 A JP 3774284A JP S60182507 A JPS60182507 A JP S60182507A
- Authority
- JP
- Japan
- Prior art keywords
- magnetic
- gap
- magnetic head
- thin film
- head
- 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.)
- Granted
Links
- 230000005291 magnetic effect Effects 0.000 title claims abstract description 147
- 230000005294 ferromagnetic effect Effects 0.000 claims abstract description 56
- 239000010409 thin film Substances 0.000 claims abstract description 46
- 239000000463 material Substances 0.000 claims abstract description 20
- 229910052751 metal Inorganic materials 0.000 claims description 64
- 239000002184 metal Substances 0.000 claims description 64
- 238000000034 method Methods 0.000 claims description 11
- 239000010408 film Substances 0.000 abstract description 19
- 229910000859 α-Fe Inorganic materials 0.000 abstract description 17
- 239000011521 glass Substances 0.000 abstract description 14
- 229910000702 sendust Inorganic materials 0.000 abstract description 6
- 239000000696 magnetic material Substances 0.000 description 38
- 239000002131 composite material Substances 0.000 description 23
- 238000004804 winding Methods 0.000 description 14
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 description 11
- 238000004519 manufacturing process Methods 0.000 description 8
- 238000004544 sputter deposition Methods 0.000 description 8
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 5
- 230000015572 biosynthetic process Effects 0.000 description 5
- AOWKSNWVBZGMTJ-UHFFFAOYSA-N calcium titanate Chemical compound [Ca+2].[O-][Ti]([O-])=O AOWKSNWVBZGMTJ-UHFFFAOYSA-N 0.000 description 5
- 239000000919 ceramic Substances 0.000 description 5
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 5
- 239000010931 gold Substances 0.000 description 5
- 229910052737 gold Inorganic materials 0.000 description 5
- 238000003754 machining Methods 0.000 description 5
- 239000000075 oxide glass Substances 0.000 description 5
- 230000035699 permeability Effects 0.000 description 5
- 238000007517 polishing process Methods 0.000 description 5
- MCMNRKCIXSYSNV-UHFFFAOYSA-N Zirconium dioxide Chemical compound O=[Zr]=O MCMNRKCIXSYSNV-UHFFFAOYSA-N 0.000 description 4
- 230000008018 melting Effects 0.000 description 4
- 238000002844 melting Methods 0.000 description 4
- 238000005498 polishing Methods 0.000 description 4
- 230000008569 process Effects 0.000 description 4
- 239000011575 calcium Substances 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 230000004927 fusion Effects 0.000 description 3
- 125000006850 spacer group Chemical group 0.000 description 3
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 2
- 229910045601 alloy Inorganic materials 0.000 description 2
- 239000000956 alloy Substances 0.000 description 2
- 239000013078 crystal Substances 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000007499 fusion processing Methods 0.000 description 2
- 238000010030 laminating Methods 0.000 description 2
- 238000007740 vapor deposition Methods 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- FFBHFFJDDLITSX-UHFFFAOYSA-N benzyl N-[2-hydroxy-4-(3-oxomorpholin-4-yl)phenyl]carbamate Chemical compound OC1=C(NC(=O)OCC2=CC=CC=C2)C=CC(=C1)N1CCOCC1=O FFBHFFJDDLITSX-UHFFFAOYSA-N 0.000 description 1
- 238000005422 blasting Methods 0.000 description 1
- 229910052681 coesite Inorganic materials 0.000 description 1
- 229910052906 cristobalite Inorganic materials 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 238000000151 deposition Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000000866 electrolytic etching Methods 0.000 description 1
- 239000003302 ferromagnetic material Substances 0.000 description 1
- NBVXSUQYWXRMNV-UHFFFAOYSA-N fluoromethane Chemical compound FC NBVXSUQYWXRMNV-UHFFFAOYSA-N 0.000 description 1
- 230000004907 flux Effects 0.000 description 1
- 238000000227 grinding Methods 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 150000002500 ions Chemical class 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 239000006060 molten glass Substances 0.000 description 1
- 239000012768 molten material Substances 0.000 description 1
- WHOPEPSOPUIRQQ-UHFFFAOYSA-N oxoaluminum Chemical compound O1[Al]O[Al]1 WHOPEPSOPUIRQQ-UHFFFAOYSA-N 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
- 239000012779 reinforcing material Substances 0.000 description 1
- 239000000377 silicon dioxide Substances 0.000 description 1
- 235000012239 silicon dioxide Nutrition 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
- 229910052682 stishovite Inorganic materials 0.000 description 1
- 229910052905 tridymite Inorganic materials 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
- G11B5/187—Structure or manufacture of the surface of the head in physical contact with, or immediately adjacent to the recording medium; Pole pieces; Gap features
Landscapes
- Magnetic Heads (AREA)
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3774284A JPS60182507A (ja) | 1984-02-29 | 1984-02-29 | 磁気ヘツド |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3774284A JPS60182507A (ja) | 1984-02-29 | 1984-02-29 | 磁気ヘツド |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS60182507A true JPS60182507A (ja) | 1985-09-18 |
| JPH0546011B2 JPH0546011B2 (enrdf_load_stackoverflow) | 1993-07-12 |
Family
ID=12505932
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP3774284A Granted JPS60182507A (ja) | 1984-02-29 | 1984-02-29 | 磁気ヘツド |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS60182507A (enrdf_load_stackoverflow) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS63217509A (ja) * | 1987-03-06 | 1988-09-09 | Pioneer Electronic Corp | 磁気ヘツド |
| US4803338A (en) * | 1986-01-10 | 1989-02-07 | Hitachi, Ltd. | Magnetic head having improved track width narrowing grooves |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS56124112A (en) * | 1980-03-06 | 1981-09-29 | Matsushita Electric Ind Co Ltd | Magnetic head |
| JPS58155513A (ja) * | 1982-03-10 | 1983-09-16 | Hitachi Ltd | 複合型磁気ヘツドおよびその製造方法 |
-
1984
- 1984-02-29 JP JP3774284A patent/JPS60182507A/ja active Granted
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS56124112A (en) * | 1980-03-06 | 1981-09-29 | Matsushita Electric Ind Co Ltd | Magnetic head |
| JPS58155513A (ja) * | 1982-03-10 | 1983-09-16 | Hitachi Ltd | 複合型磁気ヘツドおよびその製造方法 |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4803338A (en) * | 1986-01-10 | 1989-02-07 | Hitachi, Ltd. | Magnetic head having improved track width narrowing grooves |
| JPS63217509A (ja) * | 1987-03-06 | 1988-09-09 | Pioneer Electronic Corp | 磁気ヘツド |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0546011B2 (enrdf_load_stackoverflow) | 1993-07-12 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| EXPY | Cancellation because of completion of term |