Patent · US Expired

Information storage device

US5637370A · kind A · utility

3Cited by

3References

6Claims

0Family size

Assignee

Fraunhofer-Gesellschaft zur förderung der angewandten Forschung e.V. · DE

Inventors

Rudi Danz · Kleinmachnow, DE
Andreas Büchtemann · Potsdam, DE
Manfred Pinnow · Teltow, DE
Armin Wedel · Mering, DE

Key dates

Filing date	Mar 17, 1995
Grant date	Jun 10, 1997
Priority date	—
Expiry date	Mar 17, 2015

Classification

Technology area (CPC Y)Emerging Cross-Sectional Technologies
CPC primaryY10T428/31663
WIPO fieldAudio-visual technology
WIPO sectorElectrical engineering

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.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.