System and method for producing thin film patterns interspersed with voids to admit light to otherwise shadowed regions

A metallized pattern, used as an electrical conductor, is altered by means of standard lithographic processes to have regions of interspersed missing metal, or voids, in a specified region of the pattern. The voids in the conducting pattern allow radiation, emanating from various angles, to penetrat...

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Hauptverfasser: GLOWNIA JAMES H, DOYLE JAMES P, VON GUTFELD ROBERT J
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Sprache:eng
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creator GLOWNIA JAMES H
DOYLE JAMES P
VON GUTFELD ROBERT J
description A metallized pattern, used as an electrical conductor, is altered by means of standard lithographic processes to have regions of interspersed missing metal, or voids, in a specified region of the pattern. The voids in the conducting pattern allow radiation, emanating from various angles, to penetrate through the voids so that a glue seal, disposed underneath the pattern, can be exposed to the radiation and thus activated and cured. The preferred application is found in flat panel displays where radiation is required to cure a glue seal that affixes two substrates to one another. The openings in the metallized pattern in the region of the glue seal minimize the shadowing, caused by the solid portions of the pattern, which can result in the lack of glue seal curing or polymerization. The absence of shadowing assures that the glue seal is fully cured and will not contaminate the liquid crystal after final processing.
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subjects 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
title System and method for producing thin film patterns interspersed with voids to admit light to otherwise shadowed regions
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