Stock material or miscellaneous articles – Composite – Of inorganic material
Patent
1993-06-21
1996-05-21
Kiliman, Leszek
Stock material or miscellaneous articles
Composite
Of inorganic material
428694DE, 428694RE, 428694GR, 428694SG, 428900, 369 13, G11B 566
Patent
active
055188265
ABSTRACT:
A magneto-optical recording medium operable with a low external magnetic field intensity during recording and erasing and attenuating a variation in the external magnetic field intensity comprises a magneto-optical recording layer and protective and reflective layer provided adjacent to the magneto-optical recording layers, each of which has a size of microstructures (which are associated with the non-uniformity in composition, density, crystallizability, and the like and visible under a transmission electron microscope) less than the width of a magnetic domain wall in the magneto-optical recording layer.
REFERENCES:
patent: 4615944 (1986-10-01), Gardner
Hong et al "Magnetron- and diode-sputtered polycrystalline Fe and amorphous Tb(FeCo) Films: Morphology and magnetic properties," J. Appl. Phys. 59(2), Jan. 1986; pp. 551-556.
Leamy et al "Microstructure and magnetism in amorphous RE-TM thin films. II: Magnetic Anisotropy" J. Appl. Phys. 50(4); Apr., 1979; pp. 2871-2882.
Naoe et al., "J. Appl. Phys." 63 (8) 3850-3852, Apr. 15, 1988.
Lin et al., "J. Appl. Phys." 63 (8) 3835-3837, Apr. 15, 1988.
Kawabata Hidetsugu
Kudoh Yoshihiko
Murakami Motoyoshi
Kiliman Leszek
Matsushita Electric - Industrial Co., Ltd.
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