JPS54140505A - Production of magnetic recording medium - Google Patents
Production of magnetic recording mediumInfo
- Publication number
- JPS54140505A JPS54140505A JP4887578A JP4887578A JPS54140505A JP S54140505 A JPS54140505 A JP S54140505A JP 4887578 A JP4887578 A JP 4887578A JP 4887578 A JP4887578 A JP 4887578A JP S54140505 A JPS54140505 A JP S54140505A
- Authority
- JP
- Japan
- Prior art keywords
- magnetic
- thin film
- production
- recording medium
- magnetic recording
- 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.)
- Pending
Links
Landscapes
- Magnetic Record Carriers (AREA)
- Manufacturing Of Magnetic Record Carriers (AREA)
- Thin Magnetic Films (AREA)
Abstract
PURPOSE: To improve corrosion resistance and durability, without deteriorating the electomagnetic converting characterisitcs of a magnetic metal thin film by implanting the ions of non-magnetic atoms into the surface of the thin film upon a non-magnetic substrate.
CONSTITUTION: A non-magnetic substrate 1, which is made of a high molecular substance having refractory property or non-magnetic metal, is formed thereon with a thin film 2 of magnetic metal such as a ferromagnetic metal simple substance composed mainly of Fe, Co and Ni. Non-magnetic ions such as Ar+, Cr+, Ta+, B+, Mo+, Al+, In+, Bi+ or Zn+ are implanted in number of 1015 to 1016/cm2 into the thin film 2 thereby to form an ion implanted layer 3.
COPYRIGHT: (C)1979,JPO&Japio
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP4887578A JPS54140505A (en) | 1978-04-24 | 1978-04-24 | Production of magnetic recording medium |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP4887578A JPS54140505A (en) | 1978-04-24 | 1978-04-24 | Production of magnetic recording medium |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS54140505A true JPS54140505A (en) | 1979-10-31 |
Family
ID=12815451
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP4887578A Pending JPS54140505A (en) | 1978-04-24 | 1978-04-24 | Production of magnetic recording medium |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS54140505A (en) |
Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS56127930A (en) * | 1980-03-10 | 1981-10-07 | Matsushita Electric Ind Co Ltd | Magnetic recording medium |
US4486498A (en) * | 1980-09-01 | 1984-12-04 | Tdk Electronics Co., Ltd. | Magnetic recording medium |
JPS6055517A (en) * | 1983-09-06 | 1985-03-30 | Matsushita Electric Ind Co Ltd | Production of magnetic recording medium |
JPH05135947A (en) * | 1991-04-26 | 1993-06-01 | Internatl Business Mach Corp <Ibm> | Femn film featuring high corrosion resistance and high wear resistance and forming method thereof |
JPH05221508A (en) * | 1992-02-12 | 1993-08-31 | Murata Shokai:Kk | Cover for belt conveyor |
JPH0710246A (en) * | 1993-06-28 | 1995-01-13 | Murata Shokai:Kk | Cover of conveyor device |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5033806A (en) * | 1973-07-24 | 1975-04-01 | ||
JPS524805A (en) * | 1975-07-01 | 1977-01-14 | Fuji Photo Film Co Ltd | Production method of magnetic recording media |
-
1978
- 1978-04-24 JP JP4887578A patent/JPS54140505A/en active Pending
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5033806A (en) * | 1973-07-24 | 1975-04-01 | ||
JPS524805A (en) * | 1975-07-01 | 1977-01-14 | Fuji Photo Film Co Ltd | Production method of magnetic recording media |
Cited By (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS56127930A (en) * | 1980-03-10 | 1981-10-07 | Matsushita Electric Ind Co Ltd | Magnetic recording medium |
JPS6153769B2 (en) * | 1980-03-10 | 1986-11-19 | Matsushita Electric Ind Co Ltd | |
US4486498A (en) * | 1980-09-01 | 1984-12-04 | Tdk Electronics Co., Ltd. | Magnetic recording medium |
JPS6055517A (en) * | 1983-09-06 | 1985-03-30 | Matsushita Electric Ind Co Ltd | Production of magnetic recording medium |
JPH0326455B2 (en) * | 1983-09-06 | 1991-04-10 | Matsushita Electric Ind Co Ltd | |
JPH05135947A (en) * | 1991-04-26 | 1993-06-01 | Internatl Business Mach Corp <Ibm> | Femn film featuring high corrosion resistance and high wear resistance and forming method thereof |
JPH05221508A (en) * | 1992-02-12 | 1993-08-31 | Murata Shokai:Kk | Cover for belt conveyor |
JPH0710246A (en) * | 1993-06-28 | 1995-01-13 | Murata Shokai:Kk | Cover of conveyor device |
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