SUBSTRATE FOR LIQUID CRYSTAL ELEMENT AND ITS PRODUCTION

PURPOSE:To obtain a substrate for the liq. crystal element having an oriented film uniform in thickness by forming an oriented film in which stamp depth controlling spacers are dispersed on a substrate main body. CONSTITUTION:A polymer film in which glass grains 10 are dispersed in a polyether keton...

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Bibliographische Detailangaben
Hauptverfasser:	ISHIDAKA YOSHIHIKO, SUGAWARA SEIZO, KANO MITSURU
Format:	Patent
Sprache:	eng
Schlagworte:	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 NON-LINEAR OPTICS OPTICAL ANALOGUE/DIGITAL CONVERTERS OPTICAL LOGIC ELEMENTS OPTICS PHYSICS TECHNIQUES OR PROCEDURES FOR THE OPERATION THEREOF
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Beschreibung
Zusammenfassung:	PURPOSE:To obtain a substrate for the liq. crystal element having an oriented film uniform in thickness by forming an oriented film in which stamp depth controlling spacers are dispersed on a substrate main body. CONSTITUTION:A polymer film in which glass grains 10 are dispersed in a polyether ketone is formed on a substrate main body 2. The main body 2 having the polymer film is heated, and a stamper 3 is pressed on the surface to form an oriented film 1. A rugged pattern is formed on the stamper 3 surface. Since the grains 10 are densely dispersed in the oriented film 1, the protrusion 12 of the stamper 3 is abutted on the vertex of the grain 10, and the intrusion of the stamper 3 is most likely hindered. Accordingly, the thickness of the film 1 at the valley is equalized to the diameter of the grain 10. Besides, the thickness of the film 1 is controlled by changing the diameter of the grain 10 or the incliniation of the slope of the protrusion formed on the stamper 3 surface.