Substrate used for magnetic disk and magnetic recording medium u

Details Substrate used for magnetic disk and magnetic recording medium u Substrate used for magnetic disk and magnetic recording medium u

1994-06-03

1995-06-27

Resan, Stevan A.

Stock material or miscellaneous articles

All metal or with adjacent metals

Having magnetic properties, or preformed fiber orientation...

428 64, 428141, 428408, 428433, 428650, 428651, 428660, 428694TC, 428694TS, 428694TR, 428694SG, 428900, 428928, G11B 500

Patent

active

054278678

ABSTRACT:
A substrate used for magnetic disk comprising s non-magnetic support in which a material for forming pits is formed on the surface, wherein the material for forming the surface pits comprises a low melting metal and has an island structure discontinuous in the direction within the plane at the surface of the non-magnetic support, thereby enabling to produce a magnetic disk of excellent magnetic property at high productivity, as well as a magnetic recording medium using such a substrate.

REFERENCES:
patent: 3150939 (1964-09-01), Wenner
patent: 4074016 (1978-02-01), Trippel
patent: 4539265 (1985-09-01), Yazawa
patent: 4543301 (1985-09-01), Yazawa et al.
patent: 4696862 (1987-09-01), Kawana et al.
patent: 4745005 (1988-05-01), Sugita et al.
patent: 4833020 (1989-05-01), Shiroishi et al.
patent: 5047274 (1991-09-01), Tsuya et al.
patent: 5134038 (1992-07-01), Baseman et al.

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