HU169854B - - Google Patents
Info
- Publication number
- HU169854B HU169854B HUIE592A HUIE000592A HU169854B HU 169854 B HU169854 B HU 169854B HU IE592 A HUIE592 A HU IE592A HU IE000592 A HUIE000592 A HU IE000592A HU 169854 B HU169854 B HU 169854B
- Authority
- HU
- Hungary
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
- G11B5/3109—Details
- G11B5/313—Disposition of layers
- G11B5/3143—Disposition of layers including additional layers for improving the electromagnetic transducing properties of the basic structure, e.g. for flux coupling, guiding or shielding
- G11B5/3146—Disposition of layers including additional layers for improving the electromagnetic transducing properties of the basic structure, e.g. for flux coupling, guiding or shielding magnetic layers
- G11B5/3153—Disposition of layers including additional layers for improving the electromagnetic transducing properties of the basic structure, e.g. for flux coupling, guiding or shielding magnetic layers including at least one magnetic thin film coupled by interfacing to the basic magnetic thin film structure
-
- 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
- G11B5/245—Structure or manufacture of the surface of the head in physical contact with, or immediately adjacent to the recording medium; Pole pieces; Gap features comprising means for controlling the reluctance of the magnetic circuit in a head with single gap, for co-operation with one track
- G11B5/2452—Structure or manufacture of the surface of the head in physical contact with, or immediately adjacent to the recording medium; Pole pieces; Gap features comprising means for controlling the reluctance of the magnetic circuit in a head with single gap, for co-operation with one track where the dimensions of the effective gap are controlled
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR7239317A FR2205701B1 (hu) | 1972-11-07 | 1972-11-07 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| HU169854B true HU169854B (hu) | 1977-02-28 |
Family
ID=9106735
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| HUIE592A HU169854B (hu) | 1972-11-07 | 1973-10-23 |
Country Status (9)
| Country | Link |
|---|---|
| US (1) | US3867368A (hu) |
| BE (1) | BE806212A (hu) |
| DE (1) | DE2355672C3 (hu) |
| ES (1) | ES420322A1 (hu) |
| FR (1) | FR2205701B1 (hu) |
| GB (1) | GB1453288A (hu) |
| HU (1) | HU169854B (hu) |
| IT (1) | IT999733B (hu) |
| NL (1) | NL7314869A (hu) |
Families Citing this family (18)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2264350B1 (hu) * | 1974-03-11 | 1978-09-29 | Cii | |
| JPS51117020A (en) * | 1975-04-07 | 1976-10-14 | Hitachi Ltd | Magnetic head and production method of it |
| US4191983A (en) * | 1977-06-24 | 1980-03-04 | Applied Magnetics Corporation | Thin film magnetic head assembly having a thin film magnetic transducer encapsulated in insulating bonding material |
| US4321641A (en) * | 1977-09-02 | 1982-03-23 | Magnex Corporation | Thin film magnetic recording heads |
| US4195323A (en) * | 1977-09-02 | 1980-03-25 | Magnex Corporation | Thin film magnetic recording heads |
| GB2003647B (en) * | 1977-09-02 | 1982-05-06 | Magnex Corp | Thin film magnetic recording heads |
| US4156882A (en) * | 1977-12-15 | 1979-05-29 | Texas Instruments Incorporated | Magnetic transducer |
| US4374403A (en) * | 1979-06-27 | 1983-02-15 | Matsushita Electric Industrial Co., Ltd. | Magnetic recording and reproducing system |
| DE3424651A1 (de) * | 1983-11-04 | 1985-05-15 | Control Data Corp., Minneapolis, Minn. | Magnetwandlerkopf |
| DE3888680T2 (de) * | 1987-12-04 | 1994-09-08 | Digital Equipment Corp | Lamellierte pole für magnetköpfe. |
| US5108837A (en) * | 1987-12-04 | 1992-04-28 | Digital Equipment Corporation | Laminated poles for recording heads |
| US4897749A (en) * | 1988-03-16 | 1990-01-30 | Magnetic Peripherals Inc. | Combination probe and ring head for vertical recording |
| US5065326A (en) * | 1989-08-17 | 1991-11-12 | Caterpillar, Inc. | Automatic excavation control system and method |
| JPH0383213A (ja) * | 1989-08-24 | 1991-04-09 | Matsushita Electric Ind Co Ltd | 薄膜磁気ヘッド |
| US5132859A (en) * | 1990-08-23 | 1992-07-21 | International Business Machines Corporation | Thin film structures for magnetic recording heads |
| US6259583B1 (en) | 1998-09-16 | 2001-07-10 | International Business Machines, Corporation | Laminated yoke head with a domain control element |
| US7369360B2 (en) * | 2004-11-05 | 2008-05-06 | Seagate Technology Llc | Perpendicular recording head having controlled permeability and saturation moment |
| US8329320B2 (en) * | 2008-11-13 | 2012-12-11 | Headway Technologies, Inc. | Laminated high moment film for head applications |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3344237A (en) * | 1967-09-26 | Desposited film transducing apparatus and method op producing the apparatus | ||
| US3549825A (en) * | 1967-09-18 | 1970-12-22 | Ncr Co | Magnetic transducer with planar spiral coil extending into the gap |
| US3564558A (en) * | 1968-08-26 | 1971-02-16 | Sperry Rand Corp | High-density magnetic recording scheme |
| US3611417A (en) * | 1969-07-30 | 1971-10-05 | Sperry Rand Corp | High-density magnetic recording method |
| BE758053A (fr) * | 1969-10-28 | 1971-04-01 | Commissariat Energie Atomique | Tete magnetique integree et procede de fabrication de ladite tete |
| US3700827A (en) * | 1970-01-31 | 1972-10-24 | Nippon Electric Co | Magnetic head including thin magnetic film separated by a gap spacer |
| US3639699A (en) * | 1970-02-27 | 1972-02-01 | Gen Electric | Magnetic transducer having a composite magnetic core structure |
-
1972
- 1972-11-07 FR FR7239317A patent/FR2205701B1/fr not_active Expired
-
1973
- 1973-10-17 BE BE136807A patent/BE806212A/xx unknown
- 1973-10-23 HU HUIE592A patent/HU169854B/hu unknown
- 1973-10-25 US US409613A patent/US3867368A/en not_active Expired - Lifetime
- 1973-10-30 NL NL7314869A patent/NL7314869A/xx not_active Application Discontinuation
- 1973-10-31 GB GB5069173A patent/GB1453288A/en not_active Expired
- 1973-11-06 IT IT70254/73A patent/IT999733B/it active
- 1973-11-07 DE DE2355672A patent/DE2355672C3/de not_active Expired
- 1973-11-07 ES ES420322A patent/ES420322A1/es not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| ES420322A1 (es) | 1976-03-16 |
| DE2355672A1 (de) | 1974-05-16 |
| NL7314869A (hu) | 1974-05-09 |
| DE2355672B2 (de) | 1980-01-31 |
| FR2205701A1 (hu) | 1974-05-31 |
| FR2205701B1 (hu) | 1977-08-05 |
| GB1453288A (en) | 1976-10-20 |
| DE2355672C3 (de) | 1980-10-09 |
| BE806212A (fr) | 1974-02-15 |
| US3867368A (en) | 1975-02-18 |
| IT999733B (it) | 1976-03-10 |