MX9301194A - Transductor magnetico de alta frecuencia laminado y metodo para fabricarlo. - Google Patents
Transductor magnetico de alta frecuencia laminado y metodo para fabricarlo.Info
- Publication number
- MX9301194A MX9301194A MX9301194A MX9301194A MX9301194A MX 9301194 A MX9301194 A MX 9301194A MX 9301194 A MX9301194 A MX 9301194A MX 9301194 A MX9301194 A MX 9301194A MX 9301194 A MX9301194 A MX 9301194A
- Authority
- MX
- Mexico
- Prior art keywords
- shaped
- transducer
- high frequency
- opposite
- magnetic
- Prior art date
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
- G11B5/147—Structure or manufacture of heads, e.g. inductive with cores being composed of metal sheets, i.e. laminated cores with cores composed of isolated magnetic layers, e.g. sheets
- G11B5/1475—Assembling or shaping of elements
-
- 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
- G11B5/21—Structure or manufacture of the surface of the head in physical contact with, or immediately adjacent to the recording medium; Pole pieces; Gap features the pole pieces being of ferrous sheet metal or other magnetic layers
-
- 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
- Y10T29/49048—Machining magnetic material [e.g., grinding, etching, polishing]
-
- 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
- Y10T29/4906—Providing winding
- Y10T29/49064—Providing winding by coating
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Magnetic Heads (AREA)
Abstract
Un transductor magnético para reproducir/grabar señales de alta frecuencia con un medio de cinta magnética incluye un par de mitades de cabeza transductora opuestas separadas por un espacio aislado y unidas entre sí para formar una estructura de polo en forma de Y, cada mitad incluye una porción de núcleo ferromagnético cuando menos parcialmente laminado enlazado en superficies opuestas a capas docnduictoras, cada una de las cuales forma una porción de bobina devanada. Cada sección de núcleo forma está formada como la mitad de una configuración transversal en forma de Y que tiene una porción de pie y una porción de brazo colocado angularmente, cuyo extremo distal está cubierto con una punta de polo ferromagnética en forma de bloque en una relación de trayectoria magnética, las puntas de dos polos están en un plano común transversal al plano del espacio. Las capas conductoras en las superficies externas e internas de la sección de núcleo laminado forman conductores exterior e interior, que cuando se interconectan conductoramente, tal como por medio de puentes, están configuradas para formar una bobina de uno o dos giros para el transductor. El conductor interno tiene una forma de U pasando a través de ella la porción de giro de los dos conductores internos, y llenando substancialmente las aberturas de la forma de Y en lados opuestos del espacio de aislamiento debajo de las piezas de polo.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US07/845,894 US5267392A (en) | 1992-03-04 | 1992-03-04 | Method of manufacturing a laminated high frequency magnetic transducer |
Publications (1)
Publication Number | Publication Date |
---|---|
MX9301194A true MX9301194A (es) | 1994-08-31 |
Family
ID=25296347
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
MX9301194A MX9301194A (es) | 1992-03-04 | 1993-03-03 | Transductor magnetico de alta frecuencia laminado y metodo para fabricarlo. |
Country Status (5)
Country | Link |
---|---|
US (2) | US5267392A (es) |
EP (1) | EP0559432A3 (es) |
JP (1) | JPH0644524A (es) |
CN (1) | CN1081012A (es) |
MX (1) | MX9301194A (es) |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE69117323T2 (de) | 1990-04-16 | 1996-07-11 | Hitachi Ltd | Dünnfilm-Magnetkopf mit schmaler Spurbreite und dessen Herstellungsverfahren |
US5684660A (en) * | 1995-02-17 | 1997-11-04 | Aiwa Research And Development, Inc. | Thin film coil head assembly with protective planarizing cocoon structure |
JP2000276705A (ja) * | 1999-03-24 | 2000-10-06 | Alps Electric Co Ltd | 薄膜磁気ヘッド及び薄膜磁気ヘッドの製造方法 |
KR100378553B1 (ko) * | 1999-04-15 | 2003-03-31 | 마쯔시다덴기산교 가부시키가이샤 | 자기재생소자 및 그것을 사용한 자기헤드와 그 제조방법 |
US6606219B2 (en) * | 2001-02-28 | 2003-08-12 | Lafe Technology Limited | Magnetic tape head including a transducer cluster and a block fixed to a u-shaped frame having a ridge |
US20150340422A1 (en) * | 2014-05-23 | 2015-11-26 | Texas Instruments Incorporated | Method of manufacturing a micro-fabricated wafer level integrated inductor or transformer for high frequency switch mode power supplies |
Family Cites Families (27)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3140361A (en) * | 1960-12-30 | 1964-07-07 | Ampex | Magnetic head assembly |
US3549822A (en) * | 1967-12-07 | 1970-12-22 | Ampex | Magnetic head transducer having a pair of separate spaced nonmagnetic gaps |
US3651278A (en) * | 1970-05-06 | 1972-03-21 | Ampex | Magnetic transducer assembly with windings positioned so as to pick up leakage flux |
JPS53127707A (en) * | 1977-04-13 | 1978-11-08 | Nippon Gakki Seizo Kk | Production of laminated type head core |
US4219853A (en) * | 1978-12-21 | 1980-08-26 | International Business Machines Corporation | Read/write thin film head |
EP0032230A3 (en) * | 1980-01-14 | 1982-01-13 | Siemens Aktiengesellschaft | Integrated magnetic transducer and method of manufacturing the same |
US4404608A (en) * | 1980-02-04 | 1983-09-13 | Sanyo Electric Co., Ltd. | Magnetic head with an improved inner core |
JPS56148718A (en) * | 1980-04-16 | 1981-11-18 | Hitachi Ltd | Multielement magnetic head |
JPS5940314A (ja) * | 1982-08-30 | 1984-03-06 | Sony Corp | 磁気ヘツド |
JPS59231722A (ja) * | 1983-06-13 | 1984-12-26 | Matsushita Electric Ind Co Ltd | 薄膜磁気ヘッドの製造方法 |
US4762755A (en) * | 1983-11-02 | 1988-08-09 | Hitachi, Ltd. | Ferromagnetic material and a magnetic head using the same material |
DE3346876A1 (de) * | 1983-12-23 | 1985-07-11 | Siemens AG, 1000 Berlin und 8000 München | Kombinierter schreib- und lese-magnetkopf zur senkrechten magnetisierung eines entsprechenden aufzeichnungsmediums |
DE3583619D1 (de) * | 1984-01-14 | 1991-09-05 | Ngk Insulators Ltd | Magnetkopfkern und herstellungsverfahren. |
JPS60170014A (ja) * | 1984-02-14 | 1985-09-03 | Hitachi Ltd | 多素子薄膜磁気ヘツドおよびその製造方法 |
US4819113A (en) * | 1984-03-29 | 1989-04-04 | Sony Corporation | Magnetic transducer head with inclined magnetic gap |
DE3420746A1 (de) * | 1984-06-04 | 1985-12-05 | Siemens AG, 1000 Berlin und 8000 München | Schichtweise aufgebauter magnetkopf fuer ein senkrecht zu magnetisierendes aufzeichnungsmedium |
EP0186032B1 (de) * | 1984-12-21 | 1989-05-24 | Siemens Aktiengesellschaft | Dünnfilm-Magnetkopf für ein senkrecht zu magnetisierendes Aufzeichnungsmedium |
DE3685230D1 (de) * | 1985-02-15 | 1992-06-17 | Matsushita Electric Ind Co Ltd | Magnetkopf. |
KR910000790B1 (ko) * | 1985-04-30 | 1991-02-08 | 마쯔시다덴기산교 가부시기가이샤 | 자기헤드 및 그 제조방법 |
JPS62266712A (ja) * | 1986-05-14 | 1987-11-19 | Mitsubishi Electric Corp | 複合型磁気ヘツド |
JPS6370912A (ja) * | 1986-09-12 | 1988-03-31 | Hitachi Ltd | 磁気ヘツドギヤツプ接合用ガラス |
FR2604021B1 (fr) * | 1986-09-17 | 1988-10-28 | Commissariat Energie Atomique | Procede de realisation de tetes magnetiques en couches minces et a structure planaire et tete obtenue par ce procede |
JPS63109317U (es) * | 1987-01-06 | 1988-07-14 | ||
US4868698A (en) * | 1987-03-05 | 1989-09-19 | Matsushita Electric Industrial Co., Ltd. | Magnetic head |
JPS63292405A (ja) * | 1987-05-15 | 1988-11-29 | インタ−ナショナル ビジネス マシ−ンズ コ−ポレ−ション | 垂直磁気記録用磁気ヘツド |
US4780779A (en) * | 1987-11-19 | 1988-10-25 | Ampex Corporation | Laminated sendust metal-in-gap video head |
JPH02301007A (ja) * | 1989-05-15 | 1990-12-13 | Fuji Elelctrochem Co Ltd | 磁気ヘッドコア素体の製造方法 |
-
1992
- 1992-03-04 US US07/845,894 patent/US5267392A/en not_active Expired - Lifetime
-
1993
- 1993-03-02 EP EP19930301578 patent/EP0559432A3/en not_active Withdrawn
- 1993-03-03 MX MX9301194A patent/MX9301194A/es unknown
- 1993-03-04 JP JP5069285A patent/JPH0644524A/ja active Pending
- 1993-03-04 CN CN93104039A patent/CN1081012A/zh active Pending
- 1993-09-16 US US08/122,109 patent/US5402294A/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
JPH0644524A (ja) | 1994-02-18 |
US5267392A (en) | 1993-12-07 |
US5402294A (en) | 1995-03-28 |
EP0559432A2 (en) | 1993-09-08 |
CN1081012A (zh) | 1994-01-19 |
EP0559432A3 (en) | 1993-10-27 |
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