FR2297475A1 - Perfectionnements exportes aux structures de tetes magnetiques du type dit " integre " - Google Patents
Perfectionnements exportes aux structures de tetes magnetiques du type dit " integre "Info
- Publication number
- FR2297475A1 FR2297475A1 FR7500652A FR7500652A FR2297475A1 FR 2297475 A1 FR2297475 A1 FR 2297475A1 FR 7500652 A FR7500652 A FR 7500652A FR 7500652 A FR7500652 A FR 7500652A FR 2297475 A1 FR2297475 A1 FR 2297475A1
- Authority
- FR
- France
- Prior art keywords
- exported
- structures
- integrated
- magnetic heads
- type called
- 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
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
- 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)
Priority Applications (10)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR7500652A FR2297475A1 (fr) | 1975-01-10 | 1975-01-10 | Perfectionnements exportes aux structures de tetes magnetiques du type dit " integre " |
US05/598,000 US4016601A (en) | 1975-01-10 | 1975-07-22 | Integrated magnetic head having pole-pieces of a reduced frontal width |
BE1007117A BE837291A (fr) | 1975-01-10 | 1976-01-05 | Perfectionnements apportes aux structures de tetes magnetiques du type dit "integre" |
JP51001806A JPS5758727B2 (fr) | 1975-01-10 | 1976-01-07 | |
NLAANVRAGE7600146,A NL182589C (nl) | 1975-01-10 | 1976-01-08 | Magneetkop van de soort waarin de magnetische keten is opgebouwd uit dunne lagen. |
GB877/76A GB1511091A (en) | 1975-01-10 | 1976-01-09 | Integrated magnetic head structures |
IT67037/76A IT1055762B (it) | 1975-01-10 | 1976-01-09 | Testina magnetica a struttura integrata e procedimento perla sua fabbricazione |
DE2600630A DE2600630C3 (de) | 1975-01-10 | 1976-01-09 | Integrierter Dünnschicht-Magnetkopf |
US05/748,471 US4078300A (en) | 1975-01-10 | 1976-12-08 | Method of making an integrated magnetic head having pole-pieces of a reduced frontal width |
JP59209611A JPS60131608A (ja) | 1975-01-10 | 1984-10-05 | 集積磁気ヘツド |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR7500652A FR2297475A1 (fr) | 1975-01-10 | 1975-01-10 | Perfectionnements exportes aux structures de tetes magnetiques du type dit " integre " |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2297475A1 true FR2297475A1 (fr) | 1976-08-06 |
FR2297475B1 FR2297475B1 (fr) | 1977-07-08 |
Family
ID=9149604
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR7500652A Granted FR2297475A1 (fr) | 1975-01-10 | 1975-01-10 | Perfectionnements exportes aux structures de tetes magnetiques du type dit " integre " |
Country Status (8)
Country | Link |
---|---|
US (1) | US4016601A (fr) |
JP (2) | JPS5758727B2 (fr) |
BE (1) | BE837291A (fr) |
DE (1) | DE2600630C3 (fr) |
FR (1) | FR2297475A1 (fr) |
GB (1) | GB1511091A (fr) |
IT (1) | IT1055762B (fr) |
NL (1) | NL182589C (fr) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0040994A1 (fr) * | 1980-04-02 | 1981-12-02 | COMPAGNIE INTERNATIONALE POUR L'INFORMATIQUE CII - HONEYWELL BULL (dite CII-HB) | Transducteur magnétique à entrefer de grande dimension variable pour la lecture ou l'écriture des informations d'un support magnétique |
EP0041409A1 (fr) * | 1980-04-02 | 1981-12-09 | COMPAGNIE INTERNATIONALE POUR L'INFORMATIQUE CII - HONEYWELL BULL (dite CII-HB) | Transducteur magnétique pour la lecture ou l'écriture des informations d'un support magnétique |
Families Citing this family (23)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5214410A (en) * | 1975-07-23 | 1977-02-03 | Fujitsu Ltd | Film magnetic head |
AU511712B2 (en) * | 1976-12-29 | 1980-09-04 | Basf Aktiengesellschaft | A magnetic transducer device |
DE2721201A1 (de) * | 1977-05-11 | 1978-11-16 | Siemens Ag | Verfahren zur herstellung integrierter magnetkopfstrukturen |
US4190872A (en) * | 1978-12-21 | 1980-02-26 | International Business Machines Corporation | Thin film inductive transducer |
US4353102A (en) * | 1979-07-04 | 1982-10-05 | Matsushita Electric Industrial Co., Ltd. | Thin-film magnetic head |
JPS5744217A (en) * | 1980-08-28 | 1982-03-12 | Nec Corp | Production of thin film magnetic head |
JPS58180725A (ja) * | 1982-04-15 | 1983-10-22 | Mazda Motor Corp | 過給機付デイ−ゼルエンジンの過給制御装置 |
JPS59123629U (ja) * | 1983-02-09 | 1984-08-20 | 三菱自動車工業株式会社 | エンジンの吸気装置 |
FR2549271B1 (fr) * | 1983-07-13 | 1989-05-26 | Cii Honeywell Bull | Transducteur magnetique hautement integre d'ecriture d'informations sur un support magnetique |
JPH0760490B2 (ja) * | 1983-08-29 | 1995-06-28 | ソニー株式会社 | 多素子薄膜磁気ヘッドの製造方法 |
JPH07101483B2 (ja) * | 1983-08-29 | 1995-11-01 | ソニー株式会社 | 薄膜型磁気ヘッド |
FR2564145B3 (fr) * | 1984-05-12 | 1986-09-12 | Volkswagenwerk Ag | Commande pneumatique wastegate pour moteur a combustion interne |
JPH03178013A (ja) * | 1989-12-06 | 1991-08-02 | Sony Corp | 狭トラック磁気ヘッド |
JPH0485522U (fr) * | 1990-11-30 | 1992-07-24 | ||
JPH0738552Y2 (ja) * | 1992-06-08 | 1995-09-06 | マツ六株式会社 | 吊具付き回り縁 |
US5326429A (en) * | 1992-07-21 | 1994-07-05 | Seagate Technology, Inc. | Process for making studless thin film magnetic head |
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 |
JP2683503B2 (ja) * | 1993-09-02 | 1997-12-03 | インターナショナル・ビジネス・マシーンズ・コーポレイション | 磁性膜構造 |
US5452166A (en) * | 1993-10-01 | 1995-09-19 | Applied Magnetics Corporation | Thin film magnetic recording head for minimizing undershoots and a method for manufacturing the same |
US5703740A (en) * | 1995-08-24 | 1997-12-30 | Velocidata, Inc. | Toroidal thin film head |
US6195232B1 (en) | 1995-08-24 | 2001-02-27 | Torohead, Inc. | Low-noise toroidal thin film head with solenoidal coil |
US6151194A (en) * | 1999-03-04 | 2000-11-21 | Storage Technology Corporation | Thin film inductive transducer with alumina gap positioned over coils |
US11996126B2 (en) * | 2022-09-30 | 2024-05-28 | Headway Technologies, Inc. | Iridium film with a thin iridium template layer for a heat-assisted magnetic recording (HAMR) writer |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3344237A (en) * | 1967-09-26 | Desposited film transducing apparatus and method op producing the apparatus | ||
US3564521A (en) * | 1965-12-06 | 1971-02-16 | Ncr Co | Miniature magnetic head |
US3514851A (en) * | 1967-04-03 | 1970-06-02 | Control Data Corp | Method of manufacturing a magnetic head structure |
US3700827A (en) * | 1970-01-31 | 1972-10-24 | Nippon Electric Co | Magnetic head including thin magnetic film separated by a gap spacer |
FR2209154B1 (fr) * | 1972-07-03 | 1975-04-11 | Cii | |
JPS49121513A (fr) * | 1973-03-22 | 1974-11-20 |
-
1975
- 1975-01-10 FR FR7500652A patent/FR2297475A1/fr active Granted
- 1975-07-22 US US05/598,000 patent/US4016601A/en not_active Expired - Lifetime
-
1976
- 1976-01-05 BE BE1007117A patent/BE837291A/fr unknown
- 1976-01-07 JP JP51001806A patent/JPS5758727B2/ja not_active Expired
- 1976-01-08 NL NLAANVRAGE7600146,A patent/NL182589C/xx not_active IP Right Cessation
- 1976-01-09 GB GB877/76A patent/GB1511091A/en not_active Expired
- 1976-01-09 IT IT67037/76A patent/IT1055762B/it active
- 1976-01-09 DE DE2600630A patent/DE2600630C3/de not_active Expired
-
1984
- 1984-10-05 JP JP59209611A patent/JPS60131608A/ja active Granted
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0040994A1 (fr) * | 1980-04-02 | 1981-12-02 | COMPAGNIE INTERNATIONALE POUR L'INFORMATIQUE CII - HONEYWELL BULL (dite CII-HB) | Transducteur magnétique à entrefer de grande dimension variable pour la lecture ou l'écriture des informations d'un support magnétique |
EP0041409A1 (fr) * | 1980-04-02 | 1981-12-09 | COMPAGNIE INTERNATIONALE POUR L'INFORMATIQUE CII - HONEYWELL BULL (dite CII-HB) | Transducteur magnétique pour la lecture ou l'écriture des informations d'un support magnétique |
Also Published As
Publication number | Publication date |
---|---|
NL7600146A (nl) | 1976-07-13 |
NL182589B (nl) | 1987-11-02 |
DE2600630B2 (de) | 1981-04-30 |
DE2600630A1 (de) | 1976-07-15 |
FR2297475B1 (fr) | 1977-07-08 |
IT1055762B (it) | 1982-01-11 |
US4016601A (en) | 1977-04-05 |
JPS5758727B2 (fr) | 1982-12-10 |
DE2600630C3 (de) | 1982-02-04 |
BE837291A (fr) | 1976-07-05 |
JPS60131608A (ja) | 1985-07-13 |
NL182589C (nl) | 1988-04-05 |
JPS5195824A (fr) | 1976-08-23 |
JPS6329326B2 (fr) | 1988-06-13 |
GB1511091A (en) | 1978-05-17 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
CD | Change of name or company name | ||
TP | Transmission of property | ||
ST | Notification of lapse |