Development apparatus

G - Physics – 03 – D

Patent

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Details

G03D 3/13 (2006.01) G03D 3/06 (2006.01)

Patent

CA 2406661

Development fluid extends up to and contacts the underside of the transparent cover (18). The normal height of the fluid is shown by line (36). A leading edge (18A) of the cover is inclined upwardly and includes a cut-out portion (38). As a result of surface tension, the meniscus of the chemical rises up into the cut-out portion (38). As the leading edge of the plate part is beneath the inclined leading edge (18A), the top surface of the plate comes into contact with the chemical at the region where the curved line formed by the surface tension of the chemical (40) extends into the cut-out portion to coat the plate in a straight line across the width of the machine.

L'invention concerne un fluide de développement qui s'élève et touche la face inférieure d'une couverture transparente (18). La hauteur normale du fluide est montrée par la ligne (36). Un bord avant (18a) de la couverture est penché vers le haut et comprend une partie découpée (38). Suite à la tension superficielle, le ménisque du produit chimique s'élève et pénètre dans la partie découpée (38). Alors que le bord avant de la partie plaque est au-dessous du bord avant incliné (18a), la surface supérieure de la plaque vient au contact du produit chimique à un endroit où la ligne incurvée formée par la tension superficielle du produit chimique (40) pénètre dans la partie découpée pour recouvrir la plaque selon une ligne droite sur toute la largeur de la machine.

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