Reading method of reading information from a recording medium an

Details Reading method of reading information from a recording medium an Reading method of reading information from a recording medium an

1997-11-10

2000-10-31

Kiliman, Leszek

Stock material or miscellaneous articles

Composite

Of inorganic material

428694R, 428694MM, 428694EC, 428694SC, 428694LE, 428694IS, 428694T, 428694TM, 428900, 3692752, 3692753, 365122, 360 59, 360116, 346 742, 346 744, G11B 560

Patent

active

061399809

ABSTRACT:
An information recording medium and a reading method thereof for realizing high density recording and recording/reading a direction of magnetization at minute bit length and bit width, which comprises a substrate having a first magnetic layer which is capable of thermo-magnetically recording and a second magnetic layer which is capable of being exchange coupled with the first magnetic layer formed thereon in this order, is performed by detecting a direction of magnetization transferred onto the second magnetic layer from variations in magnetic flux while emitting a light beam thereon.

REFERENCES:
patent: 4734708 (1988-03-01), Saitoh
patent: 5202862 (1993-04-01), Ohta et al.
patent: 5325344 (1994-06-01), Ohta et al.
patent: 5481410 (1996-01-01), Osato
patent: 5681633 (1997-10-01), Onogi
patent: 5731076 (1998-03-01), Liu
patent: 5814418 (1998-09-01), Nishikiori

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