ATE54383T1 - Herstellungsverfahren eines magnetischen wandlers mit mehreren koepfen. - Google Patents
Herstellungsverfahren eines magnetischen wandlers mit mehreren koepfen.Info
- Publication number
- ATE54383T1 ATE54383T1 AT86402366T AT86402366T ATE54383T1 AT E54383 T1 ATE54383 T1 AT E54383T1 AT 86402366 T AT86402366 T AT 86402366T AT 86402366 T AT86402366 T AT 86402366T AT E54383 T1 ATE54383 T1 AT E54383T1
- Authority
- AT
- Austria
- Prior art keywords
- face
- magnetic transducer
- manufacturing process
- head magnetic
- transducer
- 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
- G11B5/29—Structure or manufacture of unitary devices formed of plural heads for more than one track
- G11B5/295—Manufacture
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41J—TYPEWRITERS; SELECTIVE PRINTING MECHANISMS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS
- B41J2/00—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed
- B41J2/385—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed characterised by selective supply of electric current or selective application of magnetism to a printing or impression-transfer material
- B41J2/43—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed characterised by selective supply of electric current or selective application of magnetism to a printing or impression-transfer material for magnetic printing
-
- 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
- G11B5/1278—Structure or manufacture of heads, e.g. inductive specially adapted for magnetisations perpendicular to the surface of the record carrier
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N1/00—Scanning, transmission or reproduction of documents or the like, e.g. facsimile transmission; Details thereof
- H04N1/024—Details of scanning heads ; Means for illuminating the original
- H04N1/032—Details of scanning heads ; Means for illuminating the original for picture information reproduction
- H04N1/0326—Magnetic heads
-
- 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
- Y10T29/49066—Preformed winding
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Magnetic Heads (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR8515721A FR2588989A1 (fr) | 1985-10-23 | 1985-10-23 | Procede pour fabriquer un transducteur magnetique comportant plusieurs tetes |
EP86402366A EP0224403B1 (de) | 1985-10-23 | 1986-10-22 | Herstellungsverfahren eines magnetischen Wandlers mit mehreren Köpfen |
Publications (1)
Publication Number | Publication Date |
---|---|
ATE54383T1 true ATE54383T1 (de) | 1990-07-15 |
Family
ID=9324115
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
AT86402366T ATE54383T1 (de) | 1985-10-23 | 1986-10-22 | Herstellungsverfahren eines magnetischen wandlers mit mehreren koepfen. |
Country Status (6)
Country | Link |
---|---|
US (1) | US4736210A (de) |
EP (1) | EP0224403B1 (de) |
AT (1) | ATE54383T1 (de) |
CA (1) | CA1278859C (de) |
DE (1) | DE3672458D1 (de) |
FR (1) | FR2588989A1 (de) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2609828A1 (fr) * | 1987-01-16 | 1988-07-22 | Bull Sa | Procede pour fabriquer un transducteur magnetique comportant plusieurs tetes |
FR2628876A1 (fr) * | 1988-03-15 | 1989-09-22 | Bull Sa | Procede pour fabriquer un transducteur magnetique comportant plusieurs tetes, et transducteur magnetique obtenu selon ce procede |
FR2807613A1 (fr) * | 2000-04-11 | 2001-10-12 | Commissariat Energie Atomique | Structure de composants haute-densite formee par assemblage et son procede de fabrication |
US10498493B2 (en) * | 2015-09-24 | 2019-12-03 | Telefonaktiebolaget Lm Ericsson (Publ) | LTE HARQ feedback for configured uplink grants |
Family Cites Families (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB1244511A (en) * | 1969-01-08 | 1971-09-02 | Standard Telephones Cables Ltd | A magnetic recording device |
US3613228A (en) * | 1969-07-02 | 1971-10-19 | Ibm | Manufacture of multielement magnetic head assemblies |
US3657806A (en) * | 1970-12-28 | 1972-04-25 | Ibm | Method for manufacturing a thin-film magnetic head assembly |
US3678576A (en) * | 1971-06-25 | 1972-07-25 | Magnetic Head Corp | Method of manufacturing multiple track, single gap magnetic heads |
US3881244A (en) * | 1972-06-02 | 1975-05-06 | Texas Instruments Inc | Method of making a solid state inductor |
JPS5254407A (en) * | 1975-10-29 | 1977-05-02 | Mitsubishi Electric Corp | Production of magnetic head |
US4412379A (en) * | 1979-10-09 | 1983-11-01 | Eastman Technology Inc. | Method of manufacturing a multitrack magnetic head employing double helix structure |
JPS5680815A (en) * | 1979-12-07 | 1981-07-02 | Fujitsu Ltd | Production of magnetic head |
JPS5828838A (ja) * | 1981-08-14 | 1983-02-19 | Comput Basic Mach Technol Res Assoc | 薄膜磁気ヘッドの製造方法 |
JPS5930227A (ja) * | 1982-08-10 | 1984-02-17 | Matsushita Electric Ind Co Ltd | 磁気ヘツドの製造方法 |
JPS601614A (ja) * | 1983-06-17 | 1985-01-07 | Sony Corp | 多素子磁気ヘツド装置の製法 |
US4700253A (en) * | 1983-11-22 | 1987-10-13 | Minnesota Mining And Manufacturing Company | Slanted pole head for magnetic recording |
-
1985
- 1985-10-23 FR FR8515721A patent/FR2588989A1/fr not_active Withdrawn
-
1986
- 1986-10-17 US US06/919,965 patent/US4736210A/en not_active Expired - Fee Related
- 1986-10-22 EP EP86402366A patent/EP0224403B1/de not_active Expired - Lifetime
- 1986-10-22 CA CA000521130A patent/CA1278859C/fr not_active Expired - Fee Related
- 1986-10-22 DE DE8686402366T patent/DE3672458D1/de not_active Expired - Fee Related
- 1986-10-22 AT AT86402366T patent/ATE54383T1/de active
Also Published As
Publication number | Publication date |
---|---|
EP0224403B1 (de) | 1990-07-04 |
US4736210A (en) | 1988-04-05 |
EP0224403A1 (de) | 1987-06-03 |
FR2588989A1 (fr) | 1987-04-24 |
DE3672458D1 (de) | 1990-08-09 |
CA1278859C (fr) | 1991-01-08 |
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