JPS5224404B1 - - Google Patents
Info
- Publication number
- JPS5224404B1 JPS5224404B1 JP46028393A JP2839371A JPS5224404B1 JP S5224404 B1 JPS5224404 B1 JP S5224404B1 JP 46028393 A JP46028393 A JP 46028393A JP 2839371 A JP2839371 A JP 2839371A JP S5224404 B1 JPS5224404 B1 JP S5224404B1
- Authority
- JP
- Japan
- 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
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
- G11B5/37—Structure or manufacture of flux-sensitive heads, i.e. for reproduction only; Combination of such heads with means for recording or erasing only using galvano-magnetic devices, e.g. Hall-effect devices using Hall or Hall-related effect, e.g. planar-Hall effect or pseudo-Hall effect
-
- 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
- G11B5/33—Structure or manufacture of flux-sensitive heads, i.e. for reproduction only; Combination of such heads with means for recording or erasing only
- G11B5/332—Structure or manufacture of flux-sensitive heads, i.e. for reproduction only; Combination of such heads with means for recording or erasing only 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
- Y10T29/49037—Using reference point/surface to facilitate measuring
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Magnetic Heads (AREA)
- Hall/Mr Elements (AREA)
Priority Applications (8)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP46028393A JPS5224404B1 (US06265458-20010724-C00056.png) | 1971-04-29 | 1971-04-29 | |
| DE19722219526 DE2219526C3 (de) | 1971-04-29 | 1972-04-21 | Verfahren zur Herstellung mehrspuriger Magnetköpfe |
| US00247294A US3787638A (en) | 1971-04-29 | 1972-04-25 | Hall element magnetic head having integral means for detecting the amount of head material ground away during a machine operation |
| FR7214902A FR2134561B1 (US06265458-20010724-C00056.png) | 1971-04-29 | 1972-04-26 | |
| SU1779951A SU462361A3 (ru) | 1971-04-29 | 1972-04-26 | Блок магнитных головок |
| IT49877/72A IT952795B (it) | 1971-04-29 | 1972-04-27 | Testina magnetica e metodo per fabbricare la medesima |
| NL7205787A NL7205787A (US06265458-20010724-C00056.png) | 1971-04-29 | 1972-04-28 | |
| GB1995272A GB1386144A (en) | 1971-04-29 | 1972-04-28 | Magnetic head and method of manufacturing same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP46028393A JPS5224404B1 (US06265458-20010724-C00056.png) | 1971-04-29 | 1971-04-29 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS5224404B1 true JPS5224404B1 (US06265458-20010724-C00056.png) | 1977-07-01 |
Family
ID=12247400
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP46028393A Pending JPS5224404B1 (US06265458-20010724-C00056.png) | 1971-04-29 | 1971-04-29 |
Country Status (7)
Families Citing this family (18)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5229607B2 (US06265458-20010724-C00056.png) * | 1972-01-01 | 1977-08-03 | ||
| US3955213A (en) * | 1974-03-11 | 1976-05-04 | International Business Machines Corporation | Intermediate product assembly of a magnetic head |
| FR2273338A1 (en) * | 1974-03-11 | 1975-12-26 | Ibm | Magnetic head recording or scanning - has magneto-electrical transducer and head section in one piece |
| US3921340A (en) * | 1974-03-11 | 1975-11-25 | Ibm | Magnetic head surface formation apparatus and method |
| DE3118850A1 (de) * | 1981-05-12 | 1982-12-02 | Siemens AG, 1000 Berlin und 8000 München | Verfahren zum herstellen eines substrats mit im konstanten abstand von einer substratkante aufgebrachten, geradlinig begrenzten strukturen und anordnung zur durchfuehrung des verfahrens |
| US4511942A (en) * | 1982-05-07 | 1985-04-16 | Computer & Communications Technology Corp. | Automatic throat height control for film heads |
| US4559743A (en) * | 1982-09-30 | 1985-12-24 | Magnetic Peripherals, Inc. | Method for calibrating a machining sensor |
| DE3333369A1 (de) * | 1982-09-30 | 1984-04-05 | Magnetic Peripherals Inc., Minneapolis, Minn. | Verfahren zum eichen eines bearbeitungsfuehlers |
| US4675986A (en) * | 1985-07-29 | 1987-06-30 | International Business Machines | Electrical lapping guide for controlling the batch fabrication of thin film magnetic transducers |
| US4670732A (en) * | 1985-08-15 | 1987-06-02 | International Business Machines | Electrical lapping guide resistor |
| US4689877A (en) * | 1985-08-29 | 1987-09-01 | International Business Machines Corp. | Method and apparatus for controlling the throat height of batch fabricated thin film magnetic transducers |
| US4748773A (en) * | 1985-09-03 | 1988-06-07 | The Charles Stark Draper Laboratory, Inc. | Biased grinding assembly |
| US4878315A (en) * | 1985-09-03 | 1989-11-07 | The Charles Stark Draper Laboratory, Inc. | Griding guide and method |
| JPH11501442A (ja) * | 1995-12-27 | 1999-02-02 | フィリップス エレクトロニクス ネムローゼ フェンノートシャップ | 磁気ヘッドの製造方法およびこの製造方法によって製造された磁気ヘッド |
| US6857937B2 (en) * | 2002-05-30 | 2005-02-22 | Komag, Inc. | Lapping a head while powered up to eliminate expansion of the head due to heating |
| US7576948B2 (en) * | 2006-02-23 | 2009-08-18 | Seagate Technology Llc | Magnetic field read sensor based on the extraordinary hall effect |
| JP5695195B2 (ja) * | 2011-07-13 | 2015-04-01 | 旭化成エレクトロニクス株式会社 | 電流センサ用基板及び電流センサ |
| JP2017037695A (ja) * | 2015-08-12 | 2017-02-16 | 株式会社東芝 | 磁気記録ヘッドの製造方法 |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3495049A (en) * | 1968-03-08 | 1970-02-10 | Michigan Magnetics Inc | Magnetic transducer wear indicator |
| FR2018239A1 (US06265458-20010724-C00056.png) * | 1968-09-17 | 1970-05-29 | Pioneer Electronic Corp |
-
1971
- 1971-04-29 JP JP46028393A patent/JPS5224404B1/ja active Pending
-
1972
- 1972-04-25 US US00247294A patent/US3787638A/en not_active Expired - Lifetime
- 1972-04-26 SU SU1779951A patent/SU462361A3/ru active
- 1972-04-26 FR FR7214902A patent/FR2134561B1/fr not_active Expired
- 1972-04-27 IT IT49877/72A patent/IT952795B/it active
- 1972-04-28 NL NL7205787A patent/NL7205787A/xx unknown
- 1972-04-28 GB GB1995272A patent/GB1386144A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| SU462361A3 (ru) | 1975-02-28 |
| US3787638A (en) | 1974-01-22 |
| NL7205787A (US06265458-20010724-C00056.png) | 1972-10-31 |
| FR2134561A1 (US06265458-20010724-C00056.png) | 1972-12-08 |
| FR2134561B1 (US06265458-20010724-C00056.png) | 1976-08-06 |
| DE2219526B2 (de) | 1976-04-15 |
| IT952795B (it) | 1973-07-30 |
| DE2219526A1 (de) | 1972-11-16 |
| GB1386144A (en) | 1975-03-05 |
