Stock material or miscellaneous articles – Web or sheet containing structurally defined element or... – Physical dimension specified
Patent
1992-05-21
1995-10-31
Thibodeau, Paul J.
Stock material or miscellaneous articles
Web or sheet containing structurally defined element or...
Physical dimension specified
428694TS, 428694TM, 428694TR, 428611, 428900, 20419215, 2041922, B32B 516
Patent
active
054627966
ABSTRACT:
A discontinuous flash chrome interlayer of about 5 to 25 .ANG. is incorporated between the upper and lower magnetic recording alloy layers. This flash non-magnetic separation layer is so thin that it is, in fact, a discontinuous layer, so that while the benefits of having some chrome flashed on the surface of the first portion of the magnetic recording alloy are achieved, yet the upper and lower magnetic recording alloy layers are not completely physically separated as they are in disks made according to known sputtering processes.
REFERENCES:
patent: 4543301 (1985-09-01), Yazawa et al.
patent: 5051288 (1991-09-01), Ahlert et al.
patent: 5134038 (1992-07-01), Baseman et al.
Katayama et al. "Magnetic Properties and Read-Write Characteristics of Multilayer Films on a Class Substrate"; IEEE Trans. Mag., vol. 24, No. 6; Nov. 1988; pp. 2982-2984.
Maloney "Sputtered Multilayered Films for Digital Magnetic Recording"; IEEE Trans. Mag. vol. MAG-15, No. 3; Jul. 1979; pp. 1135-1137.
Eltoukhy Atef H.
Teng Edward
Follett R.
Stormedia, Inc.
Thibodeau Paul J.
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