CA1236212A - Magnetic transducer head with slanted thin film - Google Patents
Magnetic transducer head with slanted thin filmInfo
- Publication number
- CA1236212A CA1236212A CA000470379A CA470379A CA1236212A CA 1236212 A CA1236212 A CA 1236212A CA 000470379 A CA000470379 A CA 000470379A CA 470379 A CA470379 A CA 470379A CA 1236212 A CA1236212 A CA 1236212A
- Authority
- CA
- Canada
- Prior art keywords
- magnetic
- metal thin
- thin film
- transducer head
- core element
- 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 title claims abstract description 409
- 239000010409 thin film Substances 0.000 title claims abstract description 189
- 229910052751 metal Inorganic materials 0.000 claims abstract description 204
- 239000002184 metal Substances 0.000 claims abstract description 202
- 229910000859 α-Fe Inorganic materials 0.000 claims abstract description 58
- 229910000808 amorphous metal alloy Inorganic materials 0.000 claims abstract description 8
- 229910045601 alloy Inorganic materials 0.000 claims description 41
- 239000000956 alloy Substances 0.000 claims description 41
- 239000011521 glass Substances 0.000 claims description 35
- 230000008018 melting Effects 0.000 claims description 21
- 238000002844 melting Methods 0.000 claims description 21
- 239000000696 magnetic material Substances 0.000 claims description 20
- 238000000034 method Methods 0.000 claims description 19
- 238000005240 physical vapour deposition Methods 0.000 claims description 16
- 238000004519 manufacturing process Methods 0.000 claims description 13
- 238000011049 filling Methods 0.000 claims description 6
- 238000004804 winding Methods 0.000 claims description 5
- 229910021364 Al-Si alloy Inorganic materials 0.000 claims description 4
- 229910052752 metalloid Inorganic materials 0.000 claims description 4
- 238000009751 slip forming Methods 0.000 claims description 2
- 238000005498 polishing Methods 0.000 claims 1
- 239000010408 film Substances 0.000 abstract description 132
- 230000005294 ferromagnetic effect Effects 0.000 abstract description 71
- 229910000889 permalloy Inorganic materials 0.000 abstract description 3
- -1 Fe-A?-Si alloys Chemical class 0.000 abstract description 2
- 150000002739 metals Chemical class 0.000 abstract description 2
- 229910000676 Si alloy Inorganic materials 0.000 abstract 1
- 239000000758 substrate Substances 0.000 description 72
- 239000013078 crystal Substances 0.000 description 29
- 230000012010 growth Effects 0.000 description 25
- 238000004544 sputter deposition Methods 0.000 description 20
- 230000035699 permeability Effects 0.000 description 19
- 239000000463 material Substances 0.000 description 18
- 230000004907 flux Effects 0.000 description 16
- 239000010410 layer Substances 0.000 description 16
- 238000012856 packing Methods 0.000 description 14
- 230000008569 process Effects 0.000 description 11
- 239000002131 composite material Substances 0.000 description 8
- 210000003127 knee Anatomy 0.000 description 8
- 230000001105 regulatory effect Effects 0.000 description 8
- 230000000694 effects Effects 0.000 description 5
- 230000004048 modification Effects 0.000 description 5
- 238000012986 modification Methods 0.000 description 5
- MCMNRKCIXSYSNV-UHFFFAOYSA-N Zirconium dioxide Chemical compound O=[Zr]=O MCMNRKCIXSYSNV-UHFFFAOYSA-N 0.000 description 4
- 239000000853 adhesive Substances 0.000 description 4
- 230000001070 adhesive effect Effects 0.000 description 4
- 238000000227 grinding Methods 0.000 description 4
- 230000001788 irregular Effects 0.000 description 4
- 125000006850 spacer group Chemical group 0.000 description 4
- 230000015572 biosynthetic process Effects 0.000 description 3
- 238000000151 deposition Methods 0.000 description 3
- 238000001704 evaporation Methods 0.000 description 3
- 230000008020 evaporation Effects 0.000 description 3
- 230000001747 exhibiting effect Effects 0.000 description 3
- 238000005755 formation reaction Methods 0.000 description 3
- 229910001004 magnetic alloy Inorganic materials 0.000 description 3
- 239000007769 metal material Substances 0.000 description 3
- 239000006060 molten glass Substances 0.000 description 3
- 230000003014 reinforcing effect Effects 0.000 description 3
- 101710200331 Cytochrome b-245 chaperone 1 Proteins 0.000 description 2
- 102100037186 Cytochrome b-245 chaperone 1 Human genes 0.000 description 2
- 101710119396 Cytochrome b-245 chaperone 1 homolog Proteins 0.000 description 2
- 241001505295 Eros Species 0.000 description 2
- ULGZDMOVFRHVEP-RWJQBGPGSA-N Erythromycin Chemical compound O([C@@H]1[C@@H](C)C(=O)O[C@@H]([C@@]([C@H](O)[C@@H](C)C(=O)[C@H](C)C[C@@](C)(O)[C@H](O[C@H]2[C@@H]([C@H](C[C@@H](C)O2)N(C)C)O)[C@H]1C)(C)O)CC)[C@H]1C[C@@](C)(OC)[C@@H](O)[C@H](C)O1 ULGZDMOVFRHVEP-RWJQBGPGSA-N 0.000 description 2
- 230000001154 acute effect Effects 0.000 description 2
- 230000008021 deposition Effects 0.000 description 2
- 239000011888 foil Substances 0.000 description 2
- 230000000873 masking effect Effects 0.000 description 2
- 229910001092 metal group alloy Inorganic materials 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 229910000838 Al alloy Inorganic materials 0.000 description 1
- 241000282320 Panthera leo Species 0.000 description 1
- 239000000654 additive Substances 0.000 description 1
- 239000012790 adhesive layer Substances 0.000 description 1
- 238000000137 annealing Methods 0.000 description 1
- 239000011230 binding agent Substances 0.000 description 1
- 150000001768 cations Chemical class 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000002860 competitive effect Effects 0.000 description 1
- 238000009833 condensation Methods 0.000 description 1
- 230000005494 condensation Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 208000018459 dissociative disease Diseases 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 238000000866 electrolytic etching Methods 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 238000007496 glass forming Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 238000007733 ion plating Methods 0.000 description 1
- 238000010884 ion-beam technique Methods 0.000 description 1
- 150000002500 ions Chemical class 0.000 description 1
- 229910052747 lanthanoid Inorganic materials 0.000 description 1
- 150000002602 lanthanoids Chemical class 0.000 description 1
- 230000005381 magnetic domain Effects 0.000 description 1
- 239000006249 magnetic particle Substances 0.000 description 1
- 239000006247 magnetic powder Substances 0.000 description 1
- 230000005415 magnetization Effects 0.000 description 1
- YTCQFLFGFXZUSN-BAQGIRSFSA-N microline Chemical compound OC12OC3(C)COC2(O)C(C(/Cl)=C/C)=CC(=O)C21C3C2 YTCQFLFGFXZUSN-BAQGIRSFSA-N 0.000 description 1
- 201000002266 mite infestation Diseases 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- LCCNCVORNKJIRZ-UHFFFAOYSA-N parathion Chemical compound CCOP(=S)(OCC)OC1=CC=C([N+]([O-])=O)C=C1 LCCNCVORNKJIRZ-UHFFFAOYSA-N 0.000 description 1
- JTJMJGYZQZDUJJ-UHFFFAOYSA-N phencyclidine Chemical compound C1CCCCN1C1(C=2C=CC=CC=2)CCCCC1 JTJMJGYZQZDUJJ-UHFFFAOYSA-N 0.000 description 1
- BASFCYQUMIYNBI-UHFFFAOYSA-N platinum Chemical group [Pt] BASFCYQUMIYNBI-UHFFFAOYSA-N 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 230000000644 propagated effect Effects 0.000 description 1
- 230000002441 reversible effect Effects 0.000 description 1
- 230000035945 sensitivity Effects 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 239000002356 single layer Substances 0.000 description 1
- 239000004575 stone Substances 0.000 description 1
- 238000007738 vacuum evaporation Methods 0.000 description 1
- 229910052727 yttrium 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
- G11B5/31—Structure or manufacture of heads, e.g. inductive using thin films
- G11B5/3163—Fabrication methods or processes specially adapted for a particular head structure, e.g. using base layers for electroplating, using functional layers for masking, using energy or particle beams for shaping the structure or modifying the properties of the basic layers
-
- 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
-
- 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
- G11B5/1871—Shaping or contouring of the transducing or guiding surface
-
- 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
- G11B5/31—Structure or manufacture of heads, e.g. inductive using thin films
- G11B5/3109—Details
-
- 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
- G11B5/31—Structure or manufacture of heads, e.g. inductive using thin films
- G11B5/3109—Details
- G11B5/3116—Shaping of layers, poles or gaps for improving the form of the electrical signal transduced, e.g. for shielding, contour effect, equalizing, side flux fringing, cross talk reduction between heads or between heads and information tracks
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Magnetic Heads (AREA)
Applications Claiming Priority (6)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP58250988A JPS60229210A (ja) | 1983-12-30 | 1983-12-30 | 磁気ヘツド |
| JP250988/83 | 1983-12-30 | ||
| JP78242/84 | 1984-04-18 | ||
| JP59078242A JPS60223012A (ja) | 1984-04-18 | 1984-04-18 | 磁気ヘツド |
| JP9975184A JPS60243810A (ja) | 1984-05-18 | 1984-05-18 | 磁気ヘツド |
| JP99751/84 | 1984-05-18 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CA1236212A true CA1236212A (en) | 1988-05-03 |
Family
ID=27302650
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA000470379A Expired CA1236212A (en) | 1983-12-30 | 1984-12-18 | Magnetic transducer head with slanted thin film |
Country Status (8)
| Country | Link |
|---|---|
| AT (1) | AT393566B (enrdf_load_stackoverflow) |
| AU (1) | AU582736B2 (enrdf_load_stackoverflow) |
| CA (1) | CA1236212A (enrdf_load_stackoverflow) |
| DE (1) | DE3447700A1 (enrdf_load_stackoverflow) |
| FR (1) | FR2558000B1 (enrdf_load_stackoverflow) |
| GB (1) | GB2153581B (enrdf_load_stackoverflow) |
| IT (1) | IT1182707B (enrdf_load_stackoverflow) |
| NL (1) | NL194772C (enrdf_load_stackoverflow) |
Families Citing this family (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0654527B2 (ja) * | 1984-11-26 | 1994-07-20 | ソニー株式会社 | 磁気ヘツド |
| DE3634305A1 (de) * | 1985-10-09 | 1987-04-16 | Canon Kk | Magnetkopf |
| EP0223933B1 (de) * | 1985-11-29 | 1992-12-02 | GRUNDIG E.M.V. Elektro-Mechanische Versuchsanstalt Max Grundig holländ. Stiftung & Co. KG. | Verfahren zur Herstellung von Magnetköpfen |
| JPH0654528B2 (ja) * | 1986-04-23 | 1994-07-20 | 株式会社日立製作所 | 磁気ヘツド |
| JPS62266712A (ja) * | 1986-05-14 | 1987-11-19 | Mitsubishi Electric Corp | 複合型磁気ヘツド |
| EP0246706B1 (en) * | 1986-05-21 | 1991-05-08 | Koninklijke Philips Electronics N.V. | Magnetic transducing head having clad core faces |
| JPS6370912A (ja) * | 1986-09-12 | 1988-03-31 | Hitachi Ltd | 磁気ヘツドギヤツプ接合用ガラス |
| JPS63146202A (ja) * | 1986-12-09 | 1988-06-18 | Canon Electronics Inc | 磁気ヘツド及びその製造方法 |
| JP2513205B2 (ja) * | 1987-02-04 | 1996-07-03 | ソニー株式会社 | 複合磁気ヘツド |
| JPH06162436A (ja) * | 1992-06-16 | 1994-06-10 | Samsung Electro Mech Co Ltd | 複合型磁気ヘッド |
Family Cites Families (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| NL263324A (enrdf_load_stackoverflow) * | 1961-04-07 | |||
| US4219855A (en) * | 1978-12-21 | 1980-08-26 | International Business Machines Corporation | Thin film magnetic head |
| JPS56124112A (en) * | 1980-03-06 | 1981-09-29 | Matsushita Electric Ind Co Ltd | Magnetic head |
| JPS56124111A (en) * | 1980-03-06 | 1981-09-29 | Matsushita Electric Ind Co Ltd | Production of magnetic head |
| JPS56169214A (en) * | 1980-06-02 | 1981-12-25 | Nippon Hoso Kyokai <Nhk> | Magnetic head |
| KR850001445B1 (ko) * | 1981-03-10 | 1985-10-05 | 이우에 가오루 | 자기헤드 |
| 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 |
| JPS58175122A (ja) * | 1982-04-07 | 1983-10-14 | Hitachi Ltd | 磁気ヘッドおよびその製造方法 |
| JPS598120A (ja) * | 1982-07-05 | 1984-01-17 | Sharp Corp | 磁気ヘツドの製造方法 |
| JPS59207415A (ja) * | 1983-05-11 | 1984-11-24 | Hitachi Ltd | 複合型磁気ヘツドおよびその製造方法 |
-
1984
- 1984-12-18 CA CA000470379A patent/CA1236212A/en not_active Expired
- 1984-12-21 GB GB08432443A patent/GB2153581B/en not_active Expired
- 1984-12-21 AU AU37074/84A patent/AU582736B2/en not_active Expired
- 1984-12-27 IT IT49363/84A patent/IT1182707B/it active
- 1984-12-28 DE DE3447700A patent/DE3447700A1/de active Granted
- 1984-12-28 AT AT4127/84A patent/AT393566B/de not_active IP Right Cessation
- 1984-12-28 FR FR8420082A patent/FR2558000B1/fr not_active Expired - Lifetime
- 1984-12-31 NL NL8403971A patent/NL194772C/nl not_active IP Right Cessation
Also Published As
| Publication number | Publication date |
|---|---|
| GB2153581A (en) | 1985-08-21 |
| GB2153581B (en) | 1988-05-25 |
| DE3447700A1 (de) | 1985-07-25 |
| IT8449363A0 (it) | 1984-12-27 |
| AU3707484A (en) | 1985-07-04 |
| FR2558000A1 (fr) | 1985-07-12 |
| NL8403971A (nl) | 1985-07-16 |
| AU582736B2 (en) | 1989-04-13 |
| DE3447700C2 (enrdf_load_stackoverflow) | 1993-02-18 |
| GB8432443D0 (en) | 1985-02-06 |
| IT8449363A1 (it) | 1986-06-27 |
| NL194772C (nl) | 2003-02-04 |
| ATA412784A (de) | 1991-04-15 |
| IT1182707B (it) | 1987-10-05 |
| NL194772B (nl) | 2002-10-01 |
| AT393566B (de) | 1991-11-11 |
| FR2558000B1 (fr) | 1994-02-25 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| EP0125891B1 (en) | Composite type magnetic head and its manufacturing method | |
| US4755899A (en) | Magnetic transducer head having an alloy thin film of high saturation magnetic flux density slantly provided with respect to an operating magnetic gap formed therein | |
| US4819113A (en) | Magnetic transducer head with inclined magnetic gap | |
| JPS58155513A (ja) | 複合型磁気ヘツドおよびその製造方法 | |
| CA1236212A (en) | Magnetic transducer head with slanted thin film | |
| JP3394266B2 (ja) | 磁気書込／読取ヘッドの製造方法 | |
| CA1235483A (en) | Magnetic transducer head | |
| US4731299A (en) | Composite magnetic material | |
| KR0152601B1 (ko) | 복합형 자기헤드 코아 및 그 제조방법 | |
| JPS6015807A (ja) | 磁気ヘツド | |
| JPS60243810A (ja) | 磁気ヘツド | |
| JPH0585962B2 (enrdf_load_stackoverflow) | ||
| JPS61280009A (ja) | 磁気ヘツド | |
| JPH0648528B2 (ja) | 磁気ヘツド | |
| JPH0770023B2 (ja) | 磁気ヘツド | |
| JPS61287018A (ja) | 磁気ヘツド | |
| JPH011111A (ja) | 磁気ヘッド | |
| JPS61158015A (ja) | 磁気ヘツドの製造方法 | |
| JPS63300417A (ja) | 磁気ヘッド | |
| JPH0772926B2 (ja) | 磁気ヘツドの製造方法 | |
| JPS6394418A (ja) | 磁気ヘツド | |
| JPH0218704A (ja) | 磁気ヘッド | |
| JPH04274006A (ja) | 磁気ヘッドの製造方法 | |
| JPS62145520A (ja) | 磁気ヘツドおよびその製造方法 | |
| JP2003203307A (ja) | 磁気ヘッドおよびその製造方法 |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| MKEX | Expiry |