FR2048749A5 - - Google Patents
Info
- Publication number
- FR2048749A5 FR2048749A5 FR7018866A FR7018866A FR2048749A5 FR 2048749 A5 FR2048749 A5 FR 2048749A5 FR 7018866 A FR7018866 A FR 7018866A FR 7018866 A FR7018866 A FR 7018866A FR 2048749 A5 FR2048749 A5 FR 2048749A5
- Authority
- FR
- France
- 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
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
- G11B5/376—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 in semi-conductors
- G11B5/378—Integrated structures
-
- 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
-
- 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
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Magnetic Heads (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP44040469A JPS4912174B1 (fr) | 1969-05-23 | 1969-05-23 |
Publications (1)
Publication Number | Publication Date |
---|---|
FR2048749A5 true FR2048749A5 (fr) | 1971-03-19 |
Family
ID=12581480
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR7018866A Expired FR2048749A5 (fr) | 1969-05-23 | 1970-05-22 |
Country Status (7)
Country | Link |
---|---|
US (1) | US3686751A (fr) |
JP (1) | JPS4912174B1 (fr) |
BE (1) | BE750713A (fr) |
CH (1) | CH517986A (fr) |
FR (1) | FR2048749A5 (fr) |
GB (1) | GB1294903A (fr) |
NL (1) | NL7007476A (fr) |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4151574A (en) * | 1974-05-24 | 1979-04-24 | U.S. Philips Corporation | Magnetic head using a magnetic field-sensitive element and method of manufacturing same |
JPS5671819A (en) * | 1979-11-14 | 1981-06-15 | Olympus Optical Co Ltd | Multichannel magnetic head and its manufacture |
JPS56101617A (en) * | 1980-01-18 | 1981-08-14 | Olympus Optical Co Ltd | Multichannel magnetic head and its manufacture |
US5159511A (en) * | 1987-04-01 | 1992-10-27 | Digital Equipment Corporation | Biasing conductor for MR head |
US5103553A (en) * | 1987-07-29 | 1992-04-14 | Digital Equipment Corporation | Method of making a magnetic recording head |
US4907113A (en) * | 1987-07-29 | 1990-03-06 | Digital Equipment Corporation | Three-pole magnetic recording head |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2756280A (en) * | 1953-04-21 | 1956-07-24 | Rca Corp | Multiple magnetic head construction |
US2900451A (en) * | 1955-08-24 | 1959-08-18 | Ampex | Magnetic transducing apparatus |
NL301162A (fr) * | 1962-12-03 | |||
US3400386A (en) * | 1964-05-27 | 1968-09-03 | Magnetic Ind Inc | Multichannel magnetic head assembly |
US3411202A (en) * | 1964-06-25 | 1968-11-19 | Ibm | Method of manufacturing recording heads |
-
1969
- 1969-05-23 JP JP44040469A patent/JPS4912174B1/ja active Pending
-
1970
- 1970-05-20 GB GB1294903D patent/GB1294903A/en not_active Expired
- 1970-05-21 BE BE750713D patent/BE750713A/fr unknown
- 1970-05-22 NL NL7007476A patent/NL7007476A/xx not_active Application Discontinuation
- 1970-05-22 FR FR7018866A patent/FR2048749A5/fr not_active Expired
- 1970-05-25 CH CH773170A patent/CH517986A/fr not_active IP Right Cessation
- 1970-05-25 US US40140A patent/US3686751A/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
NL7007476A (fr) | 1970-11-25 |
CH517986A (fr) | 1972-01-15 |
JPS4912174B1 (fr) | 1974-03-22 |
GB1294903A (fr) | 1972-11-01 |
BE750713A (fr) | 1970-11-03 |
DE2024865B2 (de) | 1976-01-29 |
US3686751A (en) | 1972-08-29 |
DE2024865A1 (de) | 1971-04-08 |
Similar Documents
Legal Events
Date | Code | Title | Description |
---|---|---|---|
ST | Notification of lapse |