SLOT COATING METHOD AND APPARATUS

AN APPARATUS AND METHOD OF FLOWING A FLUID ONTO AN INCLINE PLANAR SURFACE ACROSS THE ENTIRE WITH OF THE SLOT HAS A SLOT CAPILLARY NUMBER LESS THAN 0.04. THE SLOT EXIT GAP S IS SELECTED TO BE LESS THAN 6.25 µ2NARE@___________@ ( )(SIGMA)WHERE S IS THE SLOT GAP IN CM, µ IS THE FLUID VISCOSITY MEASURED...

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Bibliographische Detailangaben
1. Verfasser:	WILLIAM KEITH LEONARD
Format:	Patent
Sprache:	eng
Schlagworte:	APPARATUS FOR APPLYING LIQUIDS OR OTHER FLUENT MATERIALS TOSURFACES, IN GENERAL APPLYING LIQUIDS OR OTHER FLUENT MATERIALS TO SURFACES, IN GENERAL AUXILIARY PROCESSES IN PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY PERFORMING OPERATIONS PHOTOGRAPHIC PROCESSES, e.g. CINE, X-RAY, COLOUR,STEREO-PHOTOGRAPHIC PROCESSES PHOTOGRAPHY PHOTOSENSITIVE MATERIALS FOR PHOTOGRAPHIC PURPOSES PHYSICS PROCESSES FOR APPLYING LIQUIDS OR OTHER FLUENT MATERIALS TOSURFACES, IN GENERAL SPRAYING OR ATOMISING IN GENERAL TRANSPORTING
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Beschreibung
Zusammenfassung:	AN APPARATUS AND METHOD OF FLOWING A FLUID ONTO AN INCLINE PLANAR SURFACE ACROSS THE ENTIRE WITH OF THE SLOT HAS A SLOT CAPILLARY NUMBER LESS THAN 0.04. THE SLOT EXIT GAP S IS SELECTED TO BE LESS THAN 6.25 µ2NARE@___________@ ( )(SIGMA)WHERE S IS THE SLOT GAP IN CM, µ IS THE FLUID VISCOSITY MEASURED IN POISE, ( ) IS THE LIQUID DENSITY MEASURED IN GM/CM3, (SIGMA) IS THE LIQUID SURFACE TENSION MEASURED IN DYNE/CM, AND NRE IS THE REYNOLDS NUMBER AS DEFINED BY NRE = 4M/µ, WHERE M IS THE LIQUID FLOW RATE PER UNIT OF WIDTH MEASURED IN GM/SEC-CM. THE EXPRESSION FOR A IS DEFINED AS 0.981 + 0.3406 LOG NRE 0.3406. THE FLUID IS FLOWED THROUGH A SLOT EXIT.