FR1512096A - Ensemble magnétique unifié - Google Patents
Ensemble magnétique unifiéInfo
- Publication number
- FR1512096A FR1512096A FR8358A FR06008358A FR1512096A FR 1512096 A FR1512096 A FR 1512096A FR 8358 A FR8358 A FR 8358A FR 06008358 A FR06008358 A FR 06008358A FR 1512096 A FR1512096 A FR 1512096A
- Authority
- FR
- France
- Prior art keywords
- magnetic assembly
- unified magnetic
- unified
- assembly
- magnetic
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired
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
-
- 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
- G11B5/1272—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
- G11B5/133—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
-
- 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
- G11B5/265—Structure or manufacture of a head with more than one gap for erasing, recording or reproducing on the same 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
- G11B5/29—Structure or manufacture of unitary devices formed of plural heads for more than one track
-
- 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
- Y10T29/49055—Fabricating head structure or component thereof with bond/laminating preformed parts, at least two magnetic
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Magnetic Heads (AREA)
- Magnetic Record Carriers (AREA)
- Paints Or Removers (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US53356566A | 1966-03-11 | 1966-03-11 |
Publications (1)
Publication Number | Publication Date |
---|---|
FR1512096A true FR1512096A (fr) | 1968-02-02 |
Family
ID=24126520
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR8358A Expired FR1512096A (fr) | 1966-03-11 | 1967-02-14 | Ensemble magnétique unifié |
Country Status (4)
Country | Link |
---|---|
US (1) | US3478340A (fr) |
DE (1) | DE1524777B2 (fr) |
FR (1) | FR1512096A (fr) |
GB (1) | GB1144288A (fr) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2508216A1 (fr) * | 1981-06-19 | 1982-12-24 | Thomson Csf | Tete magnetique pour ecriture, lecture et effacement sur piste magnetique etroite, et procede de fabrication de cette tete magnetique, simple ou multipiste |
Families Citing this family (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3737582A (en) * | 1968-05-02 | 1973-06-05 | Minnesota Mining & Mfg | Flat magnetic heads |
US3839784A (en) * | 1968-09-30 | 1974-10-08 | Texas Instruments Inc | Method for fabricating magnetic read-write head array and product |
US3601871A (en) * | 1968-09-30 | 1971-08-31 | Texas Instruments Inc | Method for fabricating magnetic read-write head array and product |
US3760494A (en) * | 1970-02-02 | 1973-09-25 | Ceramic Magnetics Inc | Magnetic head assembly |
US3655923A (en) * | 1970-02-02 | 1972-04-11 | Ceramic Magnetics Inc | Preformed multiple track magnetic head assembly |
JPS549044B1 (fr) * | 1970-05-21 | 1979-04-20 | ||
US3639701A (en) * | 1970-07-02 | 1972-02-01 | Ibm | Magnetic recording head having a nonmagnetic ferrite gap |
US3789505A (en) * | 1972-02-11 | 1974-02-05 | R Huntt | Method of making a multi-core magnetic head with a non-magnetic holder |
US3950845A (en) * | 1974-06-24 | 1976-04-20 | Huntt Robert L | Method for making recording head |
US4124874A (en) * | 1976-09-02 | 1978-11-07 | Bell & Howell Company | Magnetic information transducer assembly |
JPS53127707A (en) * | 1977-04-13 | 1978-11-08 | Nippon Gakki Seizo Kk | Production of laminated type head core |
US11081920B2 (en) * | 2017-09-29 | 2021-08-03 | Hamilton Sundstrand Corporation | Rotor wedges and layers and heat sinks |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
IT592993A (fr) * | 1957-08-28 | |||
NL6402051A (fr) * | 1964-02-29 | 1965-08-30 | ||
US3353261A (en) * | 1964-12-30 | 1967-11-21 | Ibm | Method of making a multitrack magnetic transducer head |
-
1966
- 1966-03-11 US US533565A patent/US3478340A/en not_active Expired - Lifetime
-
1967
- 1967-02-14 FR FR8358A patent/FR1512096A/fr not_active Expired
- 1967-03-09 DE DE1967J0033173 patent/DE1524777B2/de active Granted
- 1967-03-09 GB GB11045/67A patent/GB1144288A/en not_active Expired
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2508216A1 (fr) * | 1981-06-19 | 1982-12-24 | Thomson Csf | Tete magnetique pour ecriture, lecture et effacement sur piste magnetique etroite, et procede de fabrication de cette tete magnetique, simple ou multipiste |
Also Published As
Publication number | Publication date |
---|---|
US3478340A (en) | 1969-11-11 |
DE1524777B2 (de) | 1977-03-31 |
DE1524777A1 (de) | 1970-10-08 |
GB1144288A (en) | 1969-03-05 |
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