FR2089140A5 - - Google Patents
Info
- Publication number
- FR2089140A5 FR2089140A5 FR7111823A FR7111823A FR2089140A5 FR 2089140 A5 FR2089140 A5 FR 2089140A5 FR 7111823 A FR7111823 A FR 7111823A FR 7111823 A FR7111823 A FR 7111823A FR 2089140 A5 FR2089140 A5 FR 2089140A5
- Authority
- FR
- France
- 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
- G11B5/187—Structure or manufacture of the surface of the head in physical contact with, or immediately adjacent to the recording medium; Pole pieces; Gap features
- G11B5/255—Structure or manufacture of the surface of the head in physical contact with, or immediately adjacent to the recording medium; Pole pieces; Gap features comprising means for protection against wear
-
- 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
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Soft Magnetic Materials (AREA)
- Magnetic Heads (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US2593570A | 1970-04-03 | 1970-04-03 | |
| US2546570A | 1970-04-03 | 1970-04-03 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| FR2089140A5 true FR2089140A5 (enExample) | 1972-01-07 |
Family
ID=26699773
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR7111823A Expired FR2089140A5 (enExample) | 1970-04-03 | 1971-04-02 |
Country Status (2)
| Country | Link |
|---|---|
| FR (1) | FR2089140A5 (enExample) |
| GB (1) | GB1310791A (enExample) |
-
1971
- 1971-04-02 FR FR7111823A patent/FR2089140A5/fr not_active Expired
- 1971-04-19 GB GB2599471A patent/GB1310791A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| DE2116291B2 (de) | 1977-01-20 |
| DE2116291A1 (de) | 1971-10-28 |
| GB1310791A (en) | 1973-03-21 |
Similar Documents
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| ST | Notification of lapse |