PHASE ADJUSTING LIQUID CRYSTAL DEVICE, OPTICAL PICKUP AND OPTICAL RECORDING/REPRODUCING DEVICE

A phase adjusting liquid crystal device which intends to stabilize the optical characteristics and electric resistance of a transparent conductive film, which is used in an optical recording/reproducing device that records or reproduces data to be recorded or recorded on a recording medium by conden...

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Main Author KISHIMA, KOICHIRO
Format Patent
LanguageEnglish
French
Japanese
Published 06.05.2004
Edition7
Subjects
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Abstract A phase adjusting liquid crystal device which intends to stabilize the optical characteristics and electric resistance of a transparent conductive film, which is used in an optical recording/reproducing device that records or reproduces data to be recorded or recorded on a recording medium by condensing a laser beam onto a recording medium, and which can adjust the position distribution of a condensed laser beam by allowing a laser beam to pass through a liquid crystal device that can partially adjust the refractive index of a liquid crystal material, wherein a conductive material for applying voltage to a liquid crystal material consists of materials (2, 6) mainly containing a tin oxide material. L'invention concerne un dispositif à cristaux liquides à ajustement de phase conçu pour stabiliser les caractéristiques optiques et la résistance électrique d'un film conducteur transparent. Ce dispositif est utilisé dans un dispositif d'enregistrement/reproduction optique enregistrant ou reproduisant des données devant être enregistrées ou enregistrées sur un support d'enregistrement par condensation d'un faisceau laser sur un support d'enregistrement. Lequel dispositif peut ajuster la répartition des positions d'un faisceau laser condensé en permettant à un faisceau laser de traverser un dispositif à cristaux liquides pouvant ajuster partiellement l'indice de réfraction d'un matériau à cristaux liquides. Un matériau conducteur permettant d'appliquer une tension à un matériau à cristaux liquides est composé de matériaux (2, 6) contenant principalement un matériau à base d'oxyde d'étain.
AbstractList A phase adjusting liquid crystal device which intends to stabilize the optical characteristics and electric resistance of a transparent conductive film, which is used in an optical recording/reproducing device that records or reproduces data to be recorded or recorded on a recording medium by condensing a laser beam onto a recording medium, and which can adjust the position distribution of a condensed laser beam by allowing a laser beam to pass through a liquid crystal device that can partially adjust the refractive index of a liquid crystal material, wherein a conductive material for applying voltage to a liquid crystal material consists of materials (2, 6) mainly containing a tin oxide material. L'invention concerne un dispositif à cristaux liquides à ajustement de phase conçu pour stabiliser les caractéristiques optiques et la résistance électrique d'un film conducteur transparent. Ce dispositif est utilisé dans un dispositif d'enregistrement/reproduction optique enregistrant ou reproduisant des données devant être enregistrées ou enregistrées sur un support d'enregistrement par condensation d'un faisceau laser sur un support d'enregistrement. Lequel dispositif peut ajuster la répartition des positions d'un faisceau laser condensé en permettant à un faisceau laser de traverser un dispositif à cristaux liquides pouvant ajuster partiellement l'indice de réfraction d'un matériau à cristaux liquides. Un matériau conducteur permettant d'appliquer une tension à un matériau à cristaux liquides est composé de matériaux (2, 6) contenant principalement un matériau à base d'oxyde d'étain.
Author KISHIMA, KOICHIRO
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Chemistry
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Physics
DocumentTitleAlternate DISPOSITIF A CRISTAUX LIQUIDES A AJUSTEMENT DE PHASE, CAPTEUR OPTIQUE ET DISPOSITIF D'ENREGISTREMENT/REPRODUCTION
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KISHIMA, KOICHIRO
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Snippet A phase adjusting liquid crystal device which intends to stabilize the optical characteristics and electric resistance of a transparent conductive film, which...
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SubjectTerms DEVICES OR ARRANGEMENTS, THE OPTICAL OPERATION OF WHICH ISMODIFIED BY CHANGING THE OPTICAL PROPERTIES OF THE MEDIUM OF THEDEVICES OR ARRANGEMENTS FOR THE CONTROL OF THE INTENSITY,COLOUR, PHASE, POLARISATION OR DIRECTION OF LIGHT, e.g.SWITCHING, GATING, MODULATING OR DEMODULATING
FREQUENCY-CHANGING
INFORMATION STORAGE
INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORDCARRIER AND TRANSDUCER
NON-LINEAR OPTICS
OPTICAL ANALOGUE/DIGITAL CONVERTERS
OPTICAL LOGIC ELEMENTS
OPTICS
PHYSICS
TECHNIQUES OR PROCEDURES FOR THE OPERATION THEREOF
Title PHASE ADJUSTING LIQUID CRYSTAL DEVICE, OPTICAL PICKUP AND OPTICAL RECORDING/REPRODUCING DEVICE
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