Dynamic information storage or retrieval – Storage or retrieval by simultaneous application of diverse... – Magnetic field and light beam
Reissue Patent
2002-04-24
2011-10-11
Dinh, Tan X (Department: 2627)
Dynamic information storage or retrieval
Storage or retrieval by simultaneous application of diverse...
Magnetic field and light beam
C428S848900
Reissue Patent
active
RE042824
ABSTRACT:
A magneto-optical device including a substratedelete-start id="REI-00001" date="20111011" ?which isdelete-end id="REI-00001" ?transparent to light in a visible spectrum regiondelete-start id="REI-00002" date="20111011" ?anddelete-end id="REI-00002" ?insert-start id="REI-00003" date="20111011" ?,insert-end id="REI-00003" ?a plurality of ferromagnetic layersdelete-start id="REI-00004" date="20111011" ?arranged thereon, each ferromagnetic layer preferablydelete-end id="REI-00004" ?having a widthdelete-start id="REI-00005" date="20111011" ?ranging fromdelete-end id="REI-00005" ?insert-start id="REI-00006" date="20111011" ?in an inclusive range ofinsert-end id="REI-00006" ?5delete-start id="REI-00007" date="20111011" ?todelete-end id="REI-00007" ?insert-start id="REI-00008" date="20111011" ?throughinsert-end id="REI-00008" ?100 nanometers and a thicknessdelete-start id="REI-00009" date="20111011" ?ranging fromdelete-end id="REI-00009" ?insert-start id="REI-00010" date="20111011" ?in an inclusive range ofinsert-end id="REI-00010" ?0.1delete-start id="REI-00011" date="20111011" ?todelete-end id="REI-00011" ?insert-start id="REI-00012" date="20111011" ?throughinsert-end id="REI-00012" ?5 micronsdelete-start id="REI-00013" date="20111011" ?. Thedelete-end id="REI-00013" ?insert-start id="REI-00014" date="20111011" ?, wherein saidinsert-end id="REI-00014" ?ferromagnetic layers are parallel to each other and separated by a distancedelete-start id="REI-00015" date="20111011" ?ranging fromdelete-end id="REI-00015" ?insert-start id="REI-00016" date="20111011" ?in an inclusive range ofinsert-end id="REI-00016" ?0.2delete-start id="REI-00017" date="20111011" ?todelete-end id="REI-00017" ?insert-start id="REI-00018" date="20111011" ?throughinsert-end id="REI-00018" ?2 microns.delete-start id="REI-00019" date="20111011" ?The ferromagnetic layers are arranged preferably on the side walls of grooves formed parallel to each other in the transparent substrate.delete-end id="REI-00019" ?
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Dinh Tan X
Oblon, Spivak McClelland, Maier & Neustadt, L.L.P.
Ricoh & Company, Ltd.
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