DE2160970A1 - Mehrspurmagnetkopf und Verfahren zu dessen Herstellung - Google Patents
Mehrspurmagnetkopf und Verfahren zu dessen HerstellungInfo
- Publication number
- DE2160970A1 DE2160970A1 DE19712160970 DE2160970A DE2160970A1 DE 2160970 A1 DE2160970 A1 DE 2160970A1 DE 19712160970 DE19712160970 DE 19712160970 DE 2160970 A DE2160970 A DE 2160970A DE 2160970 A1 DE2160970 A1 DE 2160970A1
- Authority
- DE
- Germany
- Prior art keywords
- magnetic
- layer
- gap
- parts
- layers
- 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.)
- Pending
Links
- 230000005291 magnetic effect Effects 0.000 title claims description 180
- 238000000034 method Methods 0.000 title claims description 24
- 238000004519 manufacturing process Methods 0.000 title claims description 18
- 230000008569 process Effects 0.000 title claims description 9
- 238000004804 winding Methods 0.000 claims description 42
- 239000000463 material Substances 0.000 claims description 32
- 239000004020 conductor Substances 0.000 claims description 16
- 239000000696 magnetic material Substances 0.000 claims description 13
- 241000446313 Lamella Species 0.000 claims description 11
- 230000015572 biosynthetic process Effects 0.000 claims description 8
- 230000000295 complement effect Effects 0.000 claims description 5
- 239000000758 substrate Substances 0.000 claims description 5
- 238000013459 approach Methods 0.000 claims description 4
- 125000006850 spacer group Chemical group 0.000 claims description 4
- 238000005304 joining Methods 0.000 claims description 3
- 239000002131 composite material Substances 0.000 claims description 2
- 239000000945 filler Substances 0.000 claims 1
- 239000010410 layer Substances 0.000 description 82
- 229910000889 permalloy Inorganic materials 0.000 description 9
- LIVNPJMFVYWSIS-UHFFFAOYSA-N silicon monoxide Chemical compound [Si-]#[O+] LIVNPJMFVYWSIS-UHFFFAOYSA-N 0.000 description 8
- 239000002966 varnish Substances 0.000 description 8
- 238000003466 welding Methods 0.000 description 7
- 229910052751 metal Inorganic materials 0.000 description 5
- 239000002184 metal Substances 0.000 description 5
- 239000007787 solid Substances 0.000 description 5
- 239000010409 thin film Substances 0.000 description 5
- ZOKXTWBITQBERF-UHFFFAOYSA-N Molybdenum Chemical compound [Mo] ZOKXTWBITQBERF-UHFFFAOYSA-N 0.000 description 4
- 239000004922 lacquer Substances 0.000 description 4
- 229910052750 molybdenum Inorganic materials 0.000 description 4
- 239000011733 molybdenum Substances 0.000 description 4
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 3
- 229910052802 copper Inorganic materials 0.000 description 3
- 239000010949 copper Substances 0.000 description 3
- 230000004907 flux Effects 0.000 description 3
- 210000001364 upper extremity Anatomy 0.000 description 3
- 229910001369 Brass Inorganic materials 0.000 description 2
- 229910001030 Iron–nickel alloy Inorganic materials 0.000 description 2
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 2
- 239000010951 brass Substances 0.000 description 2
- 239000000919 ceramic Substances 0.000 description 2
- 238000003776 cleavage reaction Methods 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 238000001816 cooling Methods 0.000 description 2
- 238000005530 etching Methods 0.000 description 2
- 210000003414 extremity Anatomy 0.000 description 2
- 239000010408 film Substances 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 230000035699 permeability Effects 0.000 description 2
- 238000007747 plating Methods 0.000 description 2
- 230000007017 scission Effects 0.000 description 2
- 238000001771 vacuum deposition Methods 0.000 description 2
- 229930091051 Arenine Natural products 0.000 description 1
- 229910000531 Co alloy Inorganic materials 0.000 description 1
- 239000004593 Epoxy Substances 0.000 description 1
- 229910000640 Fe alloy Inorganic materials 0.000 description 1
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 238000000137 annealing Methods 0.000 description 1
- 239000011230 binding agent Substances 0.000 description 1
- 229910010293 ceramic material Inorganic materials 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 238000005097 cold rolling Methods 0.000 description 1
- 238000011109 contamination Methods 0.000 description 1
- 238000004320 controlled atmosphere Methods 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 238000000454 electroless metal deposition Methods 0.000 description 1
- 238000010894 electron beam technology Methods 0.000 description 1
- 238000009713 electroplating Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000003822 epoxy resin Substances 0.000 description 1
- 230000005294 ferromagnetic effect Effects 0.000 description 1
- 239000011888 foil Substances 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 238000000227 grinding Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- VAWNDNOTGRTLLU-UHFFFAOYSA-N iron molybdenum nickel Chemical compound [Fe].[Ni].[Mo] VAWNDNOTGRTLLU-UHFFFAOYSA-N 0.000 description 1
- 210000003141 lower extremity Anatomy 0.000 description 1
- 229910001004 magnetic alloy Inorganic materials 0.000 description 1
- 230000013011 mating Effects 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 229910052755 nonmetal Inorganic materials 0.000 description 1
- 230000001590 oxidative effect Effects 0.000 description 1
- 230000010363 phase shift Effects 0.000 description 1
- 238000001259 photo etching Methods 0.000 description 1
- 229920002120 photoresistant polymer Polymers 0.000 description 1
- 230000000704 physical effect Effects 0.000 description 1
- 229920000647 polyepoxide Polymers 0.000 description 1
- 229920006267 polyester film Polymers 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 229910052710 silicon Inorganic materials 0.000 description 1
- 239000010703 silicon Substances 0.000 description 1
- 235000012239 silicon dioxide Nutrition 0.000 description 1
- 239000000377 silicon dioxide Substances 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- 239000002344 surface layer Substances 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
- 238000007740 vapor 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
- G11B5/147—Structure or manufacture of heads, e.g. inductive with cores being composed of metal sheets, i.e. laminated cores with cores composed of isolated magnetic layers, e.g. sheets
-
- 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
- G11B5/127—Structure or manufacture of heads, e.g. inductive
- G11B5/31—Structure or manufacture of heads, e.g. inductive using thin films
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T29/00—Metal working
- Y10T29/49—Method of mechanical manufacture
- Y10T29/49002—Electrical device making
- Y10T29/4902—Electromagnet, transformer or inductor
- Y10T29/49021—Magnetic recording reproducing transducer [e.g., tape head, core, etc.]
- Y10T29/49032—Fabricating head structure or component thereof
- Y10T29/49036—Fabricating head structure or component thereof including measuring or testing
- Y10T29/49041—Fabricating head structure or component thereof including measuring or testing with significant slider/housing shaping or treating
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T29/00—Metal working
- Y10T29/49—Method of mechanical manufacture
- Y10T29/49002—Electrical device making
- Y10T29/4902—Electromagnet, transformer or inductor
- Y10T29/49021—Magnetic recording reproducing transducer [e.g., tape head, core, etc.]
- Y10T29/49032—Fabricating head structure or component thereof
- Y10T29/49048—Machining magnetic material [e.g., grinding, etching, polishing]
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T29/00—Metal working
- Y10T29/49—Method of mechanical manufacture
- Y10T29/49002—Electrical device making
- Y10T29/4902—Electromagnet, transformer or inductor
- Y10T29/49021—Magnetic recording reproducing transducer [e.g., tape head, core, etc.]
- Y10T29/49032—Fabricating head structure or component thereof
- Y10T29/49055—Fabricating head structure or component thereof with bond/laminating preformed parts, at least two magnetic
- Y10T29/49059—Fabricating head structure or component thereof with bond/laminating preformed parts, at least two magnetic with work positioning means
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T29/00—Metal working
- Y10T29/49—Method of mechanical manufacture
- Y10T29/49002—Electrical device making
- Y10T29/4902—Electromagnet, transformer or inductor
- Y10T29/49021—Magnetic recording reproducing transducer [e.g., tape head, core, etc.]
- Y10T29/49032—Fabricating head structure or component thereof
- Y10T29/4906—Providing winding
- Y10T29/49066—Preformed winding
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Magnetic Heads (AREA)
- Coils Or Transformers For Communication (AREA)
- Regulation Of General Use Transformers (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US9720870A | 1970-12-11 | 1970-12-11 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DE2160970A1 true DE2160970A1 (de) | 1972-06-29 |
Family
ID=22262068
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE19712160970 Pending DE2160970A1 (de) | 1970-12-11 | 1971-12-08 | Mehrspurmagnetkopf und Verfahren zu dessen Herstellung |
Country Status (4)
| Country | Link |
|---|---|
| US (1) | US3718776A (enExample) |
| DE (1) | DE2160970A1 (enExample) |
| FR (1) | FR2117058A5 (enExample) |
| GB (1) | GB1358084A (enExample) |
Families Citing this family (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4719527A (en) * | 1984-10-31 | 1988-01-12 | Sanyo Electric Co., Ltd. | Composite magnetic head having accurately aligned gaps |
| ATE51315T1 (de) * | 1985-09-26 | 1990-04-15 | Siemens Ag | Kombinierter schreib/lesekopf fuer magnetschichtspeicher und verfahren zu seiner herstellung. |
| JPH0654528B2 (ja) * | 1986-04-23 | 1994-07-20 | 株式会社日立製作所 | 磁気ヘツド |
| US4979051A (en) * | 1988-03-22 | 1990-12-18 | Eggebeen James A | Bimodal multi-track magnetic head |
| US4975791A (en) * | 1988-03-22 | 1990-12-04 | Carlisle Memory Products Group Incorporated | Recording system having head transducers with controlled skew |
| EP0829853A3 (en) * | 1991-06-07 | 1998-05-13 | Minnesota Mining And Manufacturing Company | Multi-track servo recording system |
| US5229895A (en) * | 1991-06-07 | 1993-07-20 | Minnesota Mining And Manufacturing Company | Multi-track servo recording head assembly |
| DE10134056B8 (de) * | 2001-07-13 | 2014-05-28 | Vacuumschmelze Gmbh & Co. Kg | Verfahren zur Herstellung von nanokristallinen Magnetkernen sowie Vorrichtung zur Durchführung des Verfahrens |
| US7265942B2 (en) * | 2004-03-30 | 2007-09-04 | Hitachi Global Storage Technologies Netherlands, B.V. | Inductive magnetic head with non-magnetic seed layer gap structure and method for the fabrication thereof |
| DE102005034486A1 (de) * | 2005-07-20 | 2007-02-01 | Vacuumschmelze Gmbh & Co. Kg | Verfahren zur Herstellung eines weichmagnetischen Kerns für Generatoren sowie Generator mit einem derartigen Kern |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3344237A (en) * | 1967-09-26 | Desposited film transducing apparatus and method op producing the apparatus | ||
| US2852617A (en) * | 1955-01-14 | 1958-09-16 | Zeiss Ikon Ag | Magnet head |
| NL145079B (nl) * | 1964-02-25 | 1975-02-17 | Philips Nv | Inrichting voor het verminderen, c.q. opheffen van overspraak bij een dubbelspleetsmagneetkop. |
| US3633274A (en) * | 1966-07-13 | 1972-01-11 | Ncr Co | Method of making magnetic head device |
| US3577191A (en) * | 1968-08-05 | 1971-05-04 | Ibm | Magnetic head assembly with sidebar |
-
1970
- 1970-12-11 GB GB5153371A patent/GB1358084A/en not_active Expired
- 1970-12-11 US US00097208A patent/US3718776A/en not_active Expired - Lifetime
-
1971
- 1971-10-12 FR FR7137579A patent/FR2117058A5/fr not_active Expired
- 1971-12-08 DE DE19712160970 patent/DE2160970A1/de active Pending
Also Published As
| Publication number | Publication date |
|---|---|
| FR2117058A5 (enExample) | 1972-07-21 |
| GB1358084A (en) | 1974-06-26 |
| US3718776A (en) | 1973-02-27 |
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