METHOD OF POST-ETCHING A MECHANICALLY TREATED SUBSTRATE

Method of providing a pattern of apertures and/or cavities in, for example, a glass duct plate of a plasma-addressed liquid crystal display, in which first a mechanical treatment is performed (for example, by means of powder blasting) and then a wet-chemical etching treatment is performed to render...

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Bibliographic Details
Main Authors BUSIO, JOHANNES, MARIA, MARCUS, IN'T VELD, FREDERIK, HENDRIK, LARSEN, POUL, KJERPY, SPIERINGS, GIJSBERTUS, ADRIANUS, CORNELUS, MARIA, POSTMA, LAMBERTUS, VAN DER PUTTEN, JAN, BAPTIST, PETRUS, HENRIKUS
Format Patent
LanguageEnglish
French
German
Published 21.05.2003
Edition7
Subjects
CHEMICAL COMPOSITION OF GLASSES, GLAZES, OR VITREOUSENAMELS
CHEMICAL SURFACE TREATMENT
CHEMISTRY
COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATIONOR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
COATING MATERIAL WITH METALLIC MATERIAL
COATING METALLIC MATERIAL
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
DIFFUSION TREATMENT OF METALLIC MATERIAL
FREQUENCY-CHANGING
GLASS
INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION INGENERAL
JOINING GLASS TO GLASS OR OTHER MATERIALS
METALLURGY
MINERAL OR SLAG WOOL
MULTI-STEP PROCESSES FOR SURFACE TREATMENT OF METALLICMATERIAL INVOLVING AT LEAST ONE PROCESS PROVIDED FOR IN CLASSC23 AND AT LEAST ONEPROCESS COVERED BY SUBCLASS C21D OR C22F OR CLASS C25
NON-LINEAR OPTICS
NON-MECHANICAL REMOVAL OF METALLIC MATERIAL FROM SURFACE
OPTICAL ANALOGUE/DIGITAL CONVERTERS
OPTICAL LOGIC ELEMENTS
OPTICS
PHYSICS
SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS,MINERALS OR SLAGS
SURFACE TREATMENT OF GLASS
TECHNIQUES OR PROCEDURES FOR THE OPERATION THEREOF
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Summary:Method of providing a pattern of apertures and/or cavities in, for example, a glass duct plate of a plasma-addressed liquid crystal display, in which first a mechanical treatment is performed (for example, by means of powder blasting) and then a wet-chemical etching treatment is performed to render the walls of the ducts microscopically less rough so that the optical disturbance is reduced and the glass becomes clearer again.
Bibliography:Application Number: EP19970913381