BE754795A - Unite de tetes magnetiques multivoie et son procede de fabrication - Google Patents
Unite de tetes magnetiques multivoie et son procede de fabricationInfo
- Publication number
- BE754795A BE754795A BE754795DA BE754795A BE 754795 A BE754795 A BE 754795A BE 754795D A BE754795D A BE 754795DA BE 754795 A BE754795 A BE 754795A
- Authority
- BE
- Belgium
- Prior art keywords
- manufacturing process
- magnetic head
- head unit
- track magnetic
- track
- 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
-
- 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
- G11B5/29—Structure or manufacture of unitary devices formed of plural heads for more than one track
- G11B5/295—Manufacture
-
- 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
- Y10T29/49036—Fabricating head structure or component thereof including measuring or testing
- Y10T29/49043—Depositing magnetic layer or coating
- Y10T29/49046—Depositing magnetic layer or coating with etching or machining of magnetic material
-
- 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
- Y10T29/49055—Fabricating head structure or component thereof with bond/laminating preformed parts, at least two magnetic
-
- 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 |
---|---|---|---|
FR6927994A FR2055984A5 (fr) | 1969-08-14 | 1969-08-14 |
Publications (1)
Publication Number | Publication Date |
---|---|
BE754795A true BE754795A (fr) | 1971-01-18 |
Family
ID=9039054
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
BE754795D BE754795A (fr) | 1969-08-14 | Unite de tetes magnetiques multivoie et son procede de fabrication |
Country Status (6)
Country | Link |
---|---|
US (2) | US3701858A (fr) |
BE (1) | BE754795A (fr) |
DE (1) | DE2039781A1 (fr) |
FR (1) | FR2055984A5 (fr) |
GB (1) | GB1311737A (fr) |
NL (1) | NL7011103A (fr) |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3842379A (en) * | 1973-08-28 | 1974-10-15 | Gem Electro Magnetics Co Inc | Foldable outer extensions of a laminated core structure |
US3893189A (en) * | 1974-01-14 | 1975-07-01 | Spin Physics Inc | Magnetic record/reproduce head and manufacturing method therefor |
US4097910A (en) * | 1976-06-25 | 1978-06-27 | Recognition Equipment Incorporated | Single gap magnetic read head |
US4227225A (en) * | 1977-05-12 | 1980-10-07 | Matsushita Electric Industrial Co., Ltd. | Magnetic head assembly |
NL8401383A (nl) * | 1983-07-04 | 1985-02-01 | Philips Nv | Magneetkop en werkwijze voor zijn vervaardiging. |
EP0217273B1 (fr) * | 1985-09-26 | 1990-03-21 | Siemens Aktiengesellschaft | Tête combinée d'écriture/lecture pour mémoire à couche magnétique et procédé pour sa fabrication |
Family Cites Families (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2185971A (en) * | 1936-06-15 | 1940-01-02 | Askania Werke Ag | Fluid pressure responsive instrument |
US2769036A (en) * | 1951-04-02 | 1956-10-30 | Ampex Electric Corp | Multiple head for magnetic recording and reproduction |
NL187453B (nl) * | 1953-11-02 | Leblanc Sa E L M | Regelinrichting voor een met gas verwarmd toestel voor het leveren van warm water. | |
US3042753A (en) * | 1960-05-23 | 1962-07-03 | Nippon Denkionkyo Kabushikikai | Magnetic recorder |
FR1265942A (fr) * | 1960-05-25 | 1961-07-07 | Bull Sa Machines | Tête magnétique double multivoie |
NL294936A (fr) * | 1963-07-04 | |||
DE1474277A1 (de) * | 1965-05-21 | 1969-07-10 | Agfa Gevaert Ag | Magnetisierungsanordnung |
US3564521A (en) * | 1965-12-06 | 1971-02-16 | Ncr Co | Miniature magnetic head |
US3523285A (en) * | 1967-11-02 | 1970-08-04 | Ncr Co | Transducing head assembly and forward cantilevered bearing pad |
US3486220A (en) * | 1967-11-28 | 1969-12-30 | Ibm | Method of manufacturing magnetic transducers |
JPS5239284B1 (fr) * | 1967-12-04 | 1977-10-04 | ||
US3611557A (en) * | 1969-04-02 | 1971-10-12 | Ibm | Method of producing a magnetic transducing head |
US3660892A (en) * | 1969-09-10 | 1972-05-09 | Matsushita Electric Ind Co Ltd | Method for making a multi-channel magnetic head |
-
0
- BE BE754795D patent/BE754795A/fr unknown
-
1969
- 1969-08-14 FR FR6927994A patent/FR2055984A5/fr not_active Expired
-
1970
- 1970-07-27 NL NL7011103A patent/NL7011103A/xx unknown
- 1970-08-10 US US62525A patent/US3701858A/en not_active Expired - Lifetime
- 1970-08-11 DE DE19702039781 patent/DE2039781A1/de active Pending
- 1970-08-13 GB GB3915870A patent/GB1311737A/en not_active Expired
-
1972
- 1972-06-28 US US00267224A patent/US3783504A/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
NL7011103A (fr) | 1971-02-16 |
GB1311737A (en) | 1973-03-28 |
FR2055984A5 (fr) | 1971-05-14 |
US3701858A (en) | 1972-10-31 |
DE2039781A1 (de) | 1971-02-25 |
US3783504A (en) | 1974-01-08 |
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