NL8001023A - Opneem- en afspeelkop voor magnetische registraties, uitgevoerd met magnetoweerstandsorganen. - Google Patents
Opneem- en afspeelkop voor magnetische registraties, uitgevoerd met magnetoweerstandsorganen. Download PDFInfo
- Publication number
- NL8001023A NL8001023A NL8001023A NL8001023A NL8001023A NL 8001023 A NL8001023 A NL 8001023A NL 8001023 A NL8001023 A NL 8001023A NL 8001023 A NL8001023 A NL 8001023A NL 8001023 A NL8001023 A NL 8001023A
- Authority
- NL
- Netherlands
- Prior art keywords
- magnetic
- magnetoresistance
- carrier
- head
- winding
- Prior art date
Links
- 238000004804 winding Methods 0.000 claims description 41
- 239000000463 material Substances 0.000 claims description 22
- 239000010409 thin film Substances 0.000 claims description 3
- 230000007480 spreading Effects 0.000 claims description 2
- 238000006243 chemical reaction Methods 0.000 claims 1
- 210000003462 vein Anatomy 0.000 claims 1
- 239000004020 conductor Substances 0.000 description 42
- 230000005415 magnetization Effects 0.000 description 22
- 230000008859 change Effects 0.000 description 18
- 230000010287 polarization Effects 0.000 description 8
- 230000006698 induction Effects 0.000 description 6
- 230000015654 memory Effects 0.000 description 6
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 4
- 230000008901 benefit Effects 0.000 description 4
- 239000006185 dispersion Substances 0.000 description 4
- 230000006870 function Effects 0.000 description 3
- 230000035699 permeability Effects 0.000 description 3
- 230000035945 sensitivity Effects 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 239000000969 carrier Substances 0.000 description 2
- 238000006073 displacement reaction Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 229920006395 saturated elastomer Polymers 0.000 description 2
- 239000000758 substrate Substances 0.000 description 2
- 230000007704 transition Effects 0.000 description 2
- 229910000640 Fe alloy Inorganic materials 0.000 description 1
- 101000986989 Naja kaouthia Acidic phospholipase A2 CM-II Proteins 0.000 description 1
- 229910000990 Ni alloy Inorganic materials 0.000 description 1
- 238000005352 clarification Methods 0.000 description 1
- 101150029874 cmb1 gene Proteins 0.000 description 1
- 238000013479 data entry Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000012777 electrically insulating material Substances 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 239000000696 magnetic material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 229910052759 nickel 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
- G11B5/33—Structure or manufacture of flux-sensitive heads, i.e. for reproduction only; Combination of such heads with means for recording or erasing only
- G11B5/39—Structure or manufacture of flux-sensitive heads, i.e. for reproduction only; Combination of such heads with means for recording or erasing only using magneto-resistive devices or effects
- G11B5/3903—Structure or manufacture of flux-sensitive heads, i.e. for reproduction only; Combination of such heads with means for recording or erasing only using magneto-resistive devices or effects using magnetic thin film layers or their effects, the films being part of integrated structures
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Magnetic Heads (AREA)
- Coils Or Transformers For Communication (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR7910562 | 1979-04-25 | ||
| FR7910562A FR2455330A1 (fr) | 1979-04-25 | 1979-04-25 | Dispositif magnetique de transduction a magnetoresistances |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NL8001023A true NL8001023A (nl) | 1980-10-28 |
Family
ID=9224749
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL8001023A NL8001023A (nl) | 1979-04-25 | 1980-02-20 | Opneem- en afspeelkop voor magnetische registraties, uitgevoerd met magnetoweerstandsorganen. |
Country Status (8)
| Country | Link |
|---|---|
| US (1) | US4315291A (show.php) |
| JP (1) | JPS55146628A (show.php) |
| DE (1) | DE3016105A1 (show.php) |
| FR (1) | FR2455330A1 (show.php) |
| GB (1) | GB2047943B (show.php) |
| IT (1) | IT8021629A0 (show.php) |
| NL (1) | NL8001023A (show.php) |
| SE (1) | SE8003001L (show.php) |
Families Citing this family (27)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4418372A (en) * | 1979-08-02 | 1983-11-29 | Hitachi, Ltd. | Magnetic rotary encoder |
| US4394621A (en) * | 1980-12-08 | 1983-07-19 | International Business Machines Corporation | Electronic velocity measurement especially for self-clocking write head |
| JPS5924403A (ja) * | 1982-07-30 | 1984-02-08 | Toshiba Corp | 回転型磁気ヘツド装置 |
| US4504880A (en) * | 1982-08-09 | 1985-03-12 | International Business Machines Corporation | Integrated magnetic recording head assembly including an inductive write subassembly and a magnetoresistive read subassembly |
| WO1984002028A1 (en) * | 1982-11-11 | 1984-05-24 | Matsushita Electric Industrial Co Ltd | Thin-film magnetic head |
| US4547824A (en) * | 1982-12-17 | 1985-10-15 | International Business Machines Corporation | Dual biasing for integrated inductive MR head |
| US4535375A (en) * | 1983-01-14 | 1985-08-13 | Magnetic Peripherals, Inc. | Magnetoresistive head |
| US4580175A (en) * | 1983-01-14 | 1986-04-01 | Magnetic Peripherals, Inc. | Endless, folded magnetoresistive head |
| US4599668A (en) * | 1983-06-15 | 1986-07-08 | Eastman Kodak Company | Inductively-coupled, thin-film M-R head |
| GB2143071B (en) * | 1983-07-09 | 1987-10-28 | Magnetic Components Limited | Magnetoresistive transducers |
| JPS60197914A (ja) * | 1984-03-20 | 1985-10-07 | Olympus Optical Co Ltd | 垂直磁化型磁気ヘツド |
| EP0186032B1 (de) * | 1984-12-21 | 1989-05-24 | Siemens Aktiengesellschaft | Dünnfilm-Magnetkopf für ein senkrecht zu magnetisierendes Aufzeichnungsmedium |
| US4698711A (en) * | 1985-10-02 | 1987-10-06 | International Business Machines Corporation | Simplified, shielded twin-track read/write head structure |
| US4694368A (en) * | 1986-01-10 | 1987-09-15 | Read-Rite Corporation | Thin film magnetic head with three superimposed coils |
| JPS62205511A (ja) * | 1986-03-05 | 1987-09-10 | Fuji Photo Film Co Ltd | 磁気ヘツド特性測定装置 |
| US4799119A (en) * | 1986-09-10 | 1989-01-17 | International Business Machines Corporation | Flexible circuit magnetic core winding for a core member |
| JPH0512628A (ja) * | 1991-07-02 | 1993-01-22 | Sony Corp | 複合型薄膜ヘツド |
| US5323285A (en) * | 1992-06-23 | 1994-06-21 | Eastman Kodak Company | Shielded dual element magnetoresistive reproduce head exhibiting high density signal amplification |
| US5820770A (en) * | 1992-07-21 | 1998-10-13 | Seagate Technology, Inc. | Thin film magnetic head including vias formed in alumina layer and process for making the same |
| US5326429A (en) * | 1992-07-21 | 1994-07-05 | Seagate Technology, Inc. | Process for making studless thin film magnetic head |
| US5945007A (en) | 1992-10-20 | 1999-08-31 | Cohen; Uri | Method for etching gap-vias in a magnetic thin film head and product |
| US5621595A (en) * | 1992-10-20 | 1997-04-15 | Cohen; Uri | Pinched-gap magnetic recording thin film head |
| JP2924630B2 (ja) * | 1993-09-20 | 1999-07-26 | 富士通株式会社 | 磁気記憶装置 |
| FR2724481B1 (fr) * | 1994-09-13 | 1996-10-18 | Commissariat Energie Atomique | Tete magnetique planaire a magnetoresistance multicouche longitudinale |
| US6195232B1 (en) | 1995-08-24 | 2001-02-27 | Torohead, Inc. | Low-noise toroidal thin film head with solenoidal coil |
| US5703740A (en) * | 1995-08-24 | 1997-12-30 | Velocidata, Inc. | Toroidal thin film head |
| US6496330B1 (en) * | 1999-09-09 | 2002-12-17 | Read-Rite Corporation | Magnetic write head having a splitcoil structure |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| NL285814A (show.php) * | 1961-11-24 | |||
| USRE29326E (en) | 1969-10-28 | 1977-07-26 | Commissariat A L'energie Atomique | Integrated magnetic head having alternate conducting and insulating layers within an open loop of two magnetic films |
| US3921217A (en) * | 1971-12-27 | 1975-11-18 | Ibm | Three-legged magnetic recording head using a magnetorestive element |
| BE792917A (fr) * | 1971-12-27 | 1973-04-16 | Ibm | Tete de transduction magnetique |
| US3813692A (en) * | 1972-10-11 | 1974-05-28 | Ibm | Internally biased magnetoresistive magnetic transducer |
| US3887945A (en) * | 1973-12-12 | 1975-06-03 | Ibm | Head assembly for recording and reading, employing inductive and magnetoresistive elements |
| US4190872A (en) * | 1978-12-21 | 1980-02-26 | International Business Machines Corporation | Thin film inductive transducer |
-
1979
- 1979-04-25 FR FR7910562A patent/FR2455330A1/fr active Granted
- 1979-12-18 US US06/104,852 patent/US4315291A/en not_active Expired - Lifetime
-
1980
- 1980-02-20 NL NL8001023A patent/NL8001023A/nl not_active Application Discontinuation
- 1980-04-22 SE SE8003001A patent/SE8003001L/ not_active Application Discontinuation
- 1980-04-24 IT IT8021629A patent/IT8021629A0/it unknown
- 1980-04-24 GB GB8013491A patent/GB2047943B/en not_active Expired
- 1980-04-25 DE DE19803016105 patent/DE3016105A1/de not_active Withdrawn
- 1980-04-25 JP JP5443980A patent/JPS55146628A/ja active Pending
Also Published As
| Publication number | Publication date |
|---|---|
| IT8021629A0 (it) | 1980-04-24 |
| US4315291A (en) | 1982-02-09 |
| FR2455330B1 (show.php) | 1983-06-17 |
| GB2047943B (en) | 1982-12-15 |
| DE3016105A1 (de) | 1980-11-06 |
| FR2455330A1 (fr) | 1980-11-21 |
| SE8003001L (sv) | 1980-10-26 |
| GB2047943A (en) | 1980-12-03 |
| JPS55146628A (en) | 1980-11-15 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| A85 | Still pending on 85-01-01 | ||
| BV | The patent application has lapsed |