Magnetic recording medium having a crystalized glass substrate

Details Magnetic recording medium having a crystalized glass substrate Magnetic recording medium having a crystalized glass substrate

1997-09-02

2000-12-19

Resan, Stevan A.

Stock material or miscellaneous articles

Structurally defined web or sheet

Continuous and nonuniform or irregular surface on layer or...

428 653, 428212, 428336, 4284256, 428432, 428433, 428694T, 428694ST, 428694SG, 428900, G11B 582

Patent

active

061625264

ABSTRACT:
A magnetic recording medium comprises a nonmagnetic substrate (1) of a crystallizable material and a lamina including at least a magnetic layer (3) formed thereon. The nonmagnetic substrate has a surface specified by a predetermined crystal grain size while the magnetic layer (3) has a magnetic crystal grain size dependent on the predetermined crystal size. The lamina may include an underlying layer (2) which is formed between the nonmagnetic substrate (1) and the magnetic layer (3) and which has a thickness selected to control the magnetic crystal grain size of the magnetic layer (3). The lamina may further comprise an intermediate layer (6) formed between the underlying layer (2) and the magnetic layer (3). Alternatively, an initial layer (7) may be formed between the nonmagnetic substrate (1) and the underlying layer (2).

REFERENCES:
patent: 4985306 (1991-01-01), Morizane et al.
patent: 5118564 (1992-06-01), Shinohara et al.
patent: 5119258 (1992-06-01), Tsai et al.
patent: 5413873 (1995-05-01), Mizukami
patent: 5476821 (1995-12-01), Beall et al.
patent: 5494721 (1996-02-01), Nakagawa et al.
patent: 5766727 (1998-06-01), Moroishi et al.
patent: 5766756 (1998-06-01), Goda et al.
patent: 5830584 (1998-11-01), Chen et al.
patent: 5879783 (1999-03-01), Chang et al.
Growing Single Crystal Epitaxial Films on Insulators IBM Technical Disclosure Bulletin, Nov. 1963 vol. 6 issue 6 pp. 37-38.

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