GRAVITY-ACTIVATED DISPLAYS COMPRISING PATTERNED MICROCELL ARRAYS

Gravity-actuated display systems suitable for use as security markers, for example to incorporate into bank notes. The devices can be made very thin and flexible, yet are robust enough to endure the harsh conditions of paper currency in general circulation. Because the displays are gravity actuated,...

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Hauptverfasser: GU, Haiyan, CHAN, Bryan Hans, KC, Chandra Bikram, KUMAR, Ajeet, MATUS, Yuriy Borisovich
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creator GU, Haiyan
CHAN, Bryan Hans
KC, Chandra Bikram
KUMAR, Ajeet
MATUS, Yuriy Borisovich
description Gravity-actuated display systems suitable for use as security markers, for example to incorporate into bank notes. The devices can be made very thin and flexible, yet are robust enough to endure the harsh conditions of paper currency in general circulation. Because the displays are gravity actuated, they do not require a power source or circuitry. The gravity-actuated displays can be fabricated using microembossing or photolithography and can be filled and sealed using roll-to-roll techniques. The microcells can also be patterned to provide custom designs, such as official seals.
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recordid cdi_epo_espacenet_US2023358625A1
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subjects BOOK COVERS
BOOKBINDING
DEVICES FOR USE THEREWITH AND NOT OTHERWISE PROVIDEDFOR
FILES
LOOSE LEAVES
MEASURING
MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER,MECHANICAL EFFICIENCY, OR FLUID PRESSURE
MOVABLE-STRIP WRITING OR READING APPARATUS
PERFORMING OPERATIONS
PHYSICS
PRINTED MATTER CHARACTERISED BY IDENTIFICATION OR SECURITYFEATURES
PRINTED MATTER OF SPECIAL FORMAT OR STYLE NOTOTHERWISE PROVIDED FOR
SPECIAL PRINTED MATTER
TESTING
TRANSPORTING
title GRAVITY-ACTIVATED DISPLAYS COMPRISING PATTERNED MICROCELL ARRAYS
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