FR2242743B1 - - Google Patents
Info
- Publication number
- FR2242743B1 FR2242743B1 FR7429510A FR7429510A FR2242743B1 FR 2242743 B1 FR2242743 B1 FR 2242743B1 FR 7429510 A FR7429510 A FR 7429510A FR 7429510 A FR7429510 A FR 7429510A FR 2242743 B1 FR2242743 B1 FR 2242743B1
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Magnetic Heads (AREA)
- Coating By Spraying Or Casting (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19732344561 DE2344561C3 (de) | 1973-09-04 | 1973-09-04 | Verschleißarmer Magnetkopf |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| FR2242743A1 FR2242743A1 (fr) | 1975-03-28 |
| FR2242743B1 true FR2242743B1 (fr) | 1977-11-04 |
Family
ID=5891588
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR7429510A Expired FR2242743B1 (fr) | 1973-09-04 | 1974-08-29 |
Country Status (6)
| Country | Link |
|---|---|
| BE (1) | BE819521A (fr) |
| DE (1) | DE2344561C3 (fr) |
| FR (1) | FR2242743B1 (fr) |
| GB (1) | GB1476943A (fr) |
| IT (1) | IT1020276B (fr) |
| NL (1) | NL168982C (fr) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2741470B1 (fr) * | 1995-11-22 | 1998-01-02 | Commissariat Energie Atomique | Procede de realisation d'une tete magnetique planaire et tete obtenue par ce procede |
| US4130847A (en) * | 1977-03-31 | 1978-12-19 | International Business Machines Corporation | Corrosion resistant thin film head assembly and method for making |
| US4745509A (en) * | 1981-08-21 | 1988-05-17 | Matsushita Electric Industrial Company, Limited | Magnetic head with improved supporter for perpendicular magnetization recording |
| JPS5977617A (ja) * | 1982-10-25 | 1984-05-04 | Sony Corp | 薄膜磁気ヘツドの製造方法 |
| JPS59152515A (ja) * | 1983-02-18 | 1984-08-31 | Victor Co Of Japan Ltd | 垂直磁化型磁気ヘツド |
| DE3307776A1 (de) * | 1983-03-04 | 1984-09-06 | Siemens AG, 1000 Berlin und 8000 München | Aufzeichnungsanordnung fuer einen magnetschichtspeicher |
-
1973
- 1973-09-04 DE DE19732344561 patent/DE2344561C3/de not_active Expired
-
1974
- 1974-08-09 NL NL7410743A patent/NL168982C/xx not_active IP Right Cessation
- 1974-08-28 GB GB3752974A patent/GB1476943A/en not_active Expired
- 1974-08-29 IT IT2671374A patent/IT1020276B/it active
- 1974-08-29 FR FR7429510A patent/FR2242743B1/fr not_active Expired
- 1974-09-04 BE BE148186A patent/BE819521A/fr not_active IP Right Cessation
Also Published As
| Publication number | Publication date |
|---|---|
| DE2344561C3 (de) | 1978-08-31 |
| FR2242743A1 (fr) | 1975-03-28 |
| NL168982C (nl) | 1982-05-17 |
| NL7410743A (nl) | 1975-03-06 |
| BE819521A (fr) | 1975-03-04 |
| IT1020276B (it) | 1977-12-20 |
| NL168982B (nl) | 1981-12-16 |
| DE2344561A1 (de) | 1975-04-17 |
| GB1476943A (en) | 1977-06-16 |
| DE2344561B2 (de) | 1977-12-29 |
Similar Documents
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| ST | Notification of lapse |