BE751981A - Fabrication d'ensemble de tetes magnetiques - Google Patents
Fabrication d'ensemble de tetes magnetiquesInfo
- Publication number
- BE751981A BE751981A BE751981DA BE751981A BE 751981 A BE751981 A BE 751981A BE 751981D A BE751981D A BE 751981DA BE 751981 A BE751981 A BE 751981A
- Authority
- BE
- Belgium
- Prior art keywords
- magnetic head
- head assembly
- assembly manufacturing
- manufacturing
- magnetic
- Prior art date
Links
- 238000004519 manufacturing process Methods 0.000 title 1
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
- G11B5/133—Structure or manufacture of heads, e.g. inductive with cores composed of particles, e.g. with dust cores, with ferrite cores with cores composed of isolated magnetic particles
- G11B5/1335—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
- G11B5/10—Structure or manufacture of housings or shields for heads
-
- 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
-
- 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.]
- Y10T29/49027—Mounting preformed head/core onto other structure
- Y10T29/4903—Mounting preformed head/core onto other structure with bonding
-
- 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
- Y10T29/49057—Using glass bonding material
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Magnetic Heads (AREA)
- Adjustment Of The Magnetic Head Position Track Following On Tapes (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US83447669A | 1969-06-18 | 1969-06-18 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE751981A true BE751981A (fr) | 1970-11-16 |
Family
ID=25267030
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE751981D BE751981A (fr) | 1969-06-18 | 1970-06-15 | Fabrication d'ensemble de tetes magnetiques |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US3577634A (fr) |
| JP (1) | JPS4932132B1 (fr) |
| BE (1) | BE751981A (fr) |
| DE (1) | DE2028449C2 (fr) |
| FR (1) | FR2046840A1 (fr) |
| GB (1) | GB1273057A (fr) |
Families Citing this family (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3639976A (en) * | 1968-02-29 | 1972-02-08 | Ibm | Method of mounting a ferrite head |
| US3807043A (en) * | 1970-06-02 | 1974-04-30 | Matsushita Electric Industrial Co Ltd | Method for making magnetic head composed of ferrite |
| US3785047A (en) * | 1970-10-27 | 1974-01-15 | Computer Communications Inc | Method of manufacturing magnetic read-write heads |
| US3761641A (en) * | 1971-06-25 | 1973-09-25 | Ampex | Magnetic head with demountable face part assembly |
| US3843968A (en) * | 1971-06-25 | 1974-10-22 | Ampex | Magnetic head |
| JPS5427132B2 (fr) * | 1974-02-21 | 1979-09-07 | ||
| US3922776A (en) * | 1974-05-13 | 1975-12-02 | Vrc California | Method for making narrow track ferrite core flying pads |
| GB1572049A (en) * | 1977-03-15 | 1980-07-23 | Data Recording Instr Co | Magnetic transducing heads |
| US4217613A (en) * | 1978-11-06 | 1980-08-12 | Rca Corporation | Magnetic transducer head core |
| JPS61233405A (ja) * | 1985-04-08 | 1986-10-17 | Matsushita Electric Ind Co Ltd | 磁気ヘツド |
| JPS6273316U (fr) * | 1985-10-29 | 1987-05-11 | ||
| DE3626307A1 (de) * | 1986-08-02 | 1988-02-11 | Grundig Emv | Verfahren zur befestigung eines video-magnetkopfes |
| GB2217508B (en) * | 1988-03-29 | 1992-08-19 | Hitachi Metals Ltd | Flying-type magnetic head |
| US5156704A (en) * | 1990-06-01 | 1992-10-20 | Computer And Communications Technology Corp. | Method for fabricating magnetic head air bearing sliders |
| JPH0684129A (ja) * | 1992-02-19 | 1994-03-25 | Sony Corp | 磁気ヘッドの製造方法 |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3094772A (en) * | 1956-07-26 | 1963-06-25 | Philips Corp | Method of producing magnetic heads with accurately predetermined gap heights |
| DE1038780B (de) * | 1956-07-26 | 1958-09-11 | Philips Nv | Verfahren zum Herstellen von Magnetkoerpfen fuer Magnettongeraete |
| DE1853818U (de) * | 1960-09-23 | 1962-06-20 | Max Grundig | Magnetkopf zur signalaufzeichnung und/oder -wiedergabe. |
| US3177495A (en) * | 1962-05-31 | 1965-04-06 | Gen Precision Inc | Spring mounted head for disc memory |
-
1969
- 1969-06-18 US US834476A patent/US3577634A/en not_active Expired - Lifetime
-
1970
- 1970-05-11 JP JP45039368A patent/JPS4932132B1/ja active Pending
- 1970-05-12 FR FR7017086A patent/FR2046840A1/fr not_active Withdrawn
- 1970-05-12 GB GB22929/70A patent/GB1273057A/en not_active Expired
- 1970-06-10 DE DE2028449A patent/DE2028449C2/de not_active Expired
- 1970-06-15 BE BE751981D patent/BE751981A/fr not_active IP Right Cessation
Also Published As
| Publication number | Publication date |
|---|---|
| US3577634A (en) | 1971-05-04 |
| FR2046840A1 (fr) | 1971-03-12 |
| JPS4932132B1 (fr) | 1974-08-28 |
| DE2028449A1 (de) | 1971-01-07 |
| GB1273057A (en) | 1972-05-03 |
| DE2028449C2 (de) | 1982-06-03 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| RE | Patent lapsed |
Owner name: INTERNATIONAL BUSINESS MACHINES CORP. Effective date: 19870630 |