JPS519570B1 - - Google Patents
Info
- Publication number
- JPS519570B1 JPS519570B1 JP45087352A JP8735270A JPS519570B1 JP S519570 B1 JPS519570 B1 JP S519570B1 JP 45087352 A JP45087352 A JP 45087352A JP 8735270 A JP8735270 A JP 8735270A JP S519570 B1 JPS519570 B1 JP S519570B1
- Authority
- JP
- Japan
- 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.)
- Pending
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
-
- 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
- G11B5/21—Structure or manufacture of the surface of the head in physical contact with, or immediately adjacent to the recording medium; Pole pieces; Gap features the pole pieces being of ferrous sheet metal or other magnetic layers
-
- 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)
- Electroplating Methods And Accessories (AREA)
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP45087352A JPS519570B1 (ja) | 1970-10-05 | 1970-10-05 | |
| US00124758A US3737583A (en) | 1970-10-05 | 1971-03-16 | Magnetic head with wear-resistant surface, and methods of producing the same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP45087352A JPS519570B1 (ja) | 1970-10-05 | 1970-10-05 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS519570B1 true JPS519570B1 (ja) | 1976-03-27 |
Family
ID=13912468
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP45087352A Pending JPS519570B1 (ja) | 1970-10-05 | 1970-10-05 |
Country Status (2)
| Country | Link |
|---|---|
| US (1) | US3737583A (ja) |
| JP (1) | JPS519570B1 (ja) |
Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3886025A (en) * | 1972-08-24 | 1975-05-27 | Ibm | Ferrite head |
| US3929596A (en) * | 1972-10-02 | 1975-12-30 | Toyo Kogyo Co | Electrodeposition of wear resistant and oil retentive nickel coatings and article having such a coating |
| US3960674A (en) * | 1974-12-20 | 1976-06-01 | Western Electric Company, Inc. | Method of depositing a metal on a surface comprising an electrically non-conductive ferrite |
| JPH04129009A (ja) * | 1989-10-20 | 1992-04-30 | Seagate Technol Internatl | 薄膜磁気読出し・書込みヘッド |
| FR2658646B1 (fr) * | 1990-02-21 | 1995-07-13 | Commissariat Energie Atomique | Procede de realisation d'une tete magnetique a deux materiaux magnetiques, et tete obtenue par ce procede. |
| NL9101270A (nl) * | 1991-07-19 | 1993-02-16 | Philips Nv | Magneetkopeenheid, magneetkop ten gebruike in de magneetkopeenheid en magneetkopstructuur ten gebruike in de magneetkop. |
| JPH09320885A (ja) * | 1996-05-28 | 1997-12-12 | Read Rite S M I Kk | 磁性薄膜および磁性薄膜の製造方法 |
| US9234292B2 (en) * | 2009-11-18 | 2016-01-12 | Jx Nippon Mining & Metals Corporation | Nickel-iron alloy plating solution |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2642654A (en) * | 1946-12-27 | 1953-06-23 | Econometal Corp | Electrodeposited composite article and method of making the same |
| US3061525A (en) * | 1959-06-22 | 1962-10-30 | Platecraft Of America Inc | Method for electroforming and coating |
| US3566045A (en) * | 1968-09-26 | 1971-02-23 | Nasa | Magnetic recording head and method of making same |
-
1970
- 1970-10-05 JP JP45087352A patent/JPS519570B1/ja active Pending
-
1971
- 1971-03-16 US US00124758A patent/US3737583A/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| US3737583A (en) | 1973-06-05 |