Information storage device

Details Information storage device Information storage device

1995-03-17

1997-06-10

Ryan, Patrick

Stock material or miscellaneous articles

Circular sheet or circular blank

428 642, 428 644, 428 647, 428446, 428447, 428915, 43027014, 4304951, 430945, 369283, 369288, B32B 700

Patent

active

056373708

ABSTRACT:
Information storage unit comprising a substrate with applied thereon a polymer layer (active polymer layer) which is polarisable by a focussed electron beam, the active polymer layer being a component of a multilayer, said multilayer comprising an active polymer layer of at least one to a maximum of fifteen electrically-insulating layers and at least one to a maximum of fifteen electrically conductive and/or semiconductive layers in an optional layer sequence, on condition that the active layer is disposed between at least one electrically-insulating layer and at least one conductive or semiconductive layer.

REFERENCES:
patent: 4059827 (1977-11-01), Byatt
patent: 4800526 (1989-01-01), Lewis
patent: 5418029 (1995-05-01), Yamamoto

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