FR2570862B1 - Procede de fabrication de tetes magnetiques a tres petits entrefers et tetes magnetiques obtenues par un tel procede - Google Patents
Procede de fabrication de tetes magnetiques a tres petits entrefers et tetes magnetiques obtenues par un tel procedeInfo
- Publication number
- FR2570862B1 FR2570862B1 FR8414705A FR8414705A FR2570862B1 FR 2570862 B1 FR2570862 B1 FR 2570862B1 FR 8414705 A FR8414705 A FR 8414705A FR 8414705 A FR8414705 A FR 8414705A FR 2570862 B1 FR2570862 B1 FR 2570862B1
- Authority
- FR
- France
- Prior art keywords
- magnetic heads
- small gaps
- manufacturing
- manufacturing magnetic
- heads obtained
- 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
- G11B5/133—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
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Magnetic Heads (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR8414705A FR2570862B1 (fr) | 1984-09-25 | 1984-09-25 | Procede de fabrication de tetes magnetiques a tres petits entrefers et tetes magnetiques obtenues par un tel procede |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR8414705A FR2570862B1 (fr) | 1984-09-25 | 1984-09-25 | Procede de fabrication de tetes magnetiques a tres petits entrefers et tetes magnetiques obtenues par un tel procede |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2570862A1 FR2570862A1 (fr) | 1986-03-28 |
FR2570862B1 true FR2570862B1 (fr) | 1986-11-21 |
Family
ID=9308046
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR8414705A Expired FR2570862B1 (fr) | 1984-09-25 | 1984-09-25 | Procede de fabrication de tetes magnetiques a tres petits entrefers et tetes magnetiques obtenues par un tel procede |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR2570862B1 (fr) |
Family Cites Families (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3839784A (en) * | 1968-09-30 | 1974-10-08 | Texas Instruments Inc | Method for fabricating magnetic read-write head array and product |
US3613228A (en) * | 1969-07-02 | 1971-10-19 | Ibm | Manufacture of multielement magnetic head assemblies |
JPS5826084B2 (ja) * | 1975-08-20 | 1983-05-31 | 松下電器産業株式会社 | ジキヘツドノセイゾウホウホウ |
US4170059A (en) * | 1975-09-22 | 1979-10-09 | Ampex Corporation | Method of manufacturing a magnetic transducer for narrow track recording and playback |
JPS55160320A (en) * | 1979-05-28 | 1980-12-13 | Hitachi Ltd | Manufacture of magnetic head |
US4390916A (en) * | 1980-11-20 | 1983-06-28 | International Business Machines Corporation | Single track magnetic head assembly |
JPS57141012A (en) * | 1981-02-23 | 1982-09-01 | Hitachi Ltd | Magnetic head with azimuth gap |
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 |
US4611259A (en) * | 1983-02-08 | 1986-09-09 | Ampex Corporation | Magnetic transducer structure having reduced track width and a method of manufacturing thereof |
-
1984
- 1984-09-25 FR FR8414705A patent/FR2570862B1/fr not_active Expired
Also Published As
Publication number | Publication date |
---|---|
FR2570862A1 (fr) | 1986-03-28 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
ST | Notification of lapse |