Coating apparatus – Immersion or work-confined pool type – Work-confined pool
Reexamination Certificate
2006-07-18
2006-07-18
Lamb, Brenda A. (Department: 1734)
Coating apparatus
Immersion or work-confined pool type
Work-confined pool
C118S419000
Reexamination Certificate
active
07077907
ABSTRACT:
The coating head according to the present invention comprises a slit facing the supporting member along a width direction of the supporting member, the coating fluid being ejected through an opening of the slit, a front edge surface provided on an upstream side of the slit in a direction of travel of the supporting member, the front edge surface facing the supporting member, a back edge surface provided on a downstream side of the slit in the direction of travel of the supporting member, the back edge surface facing the supporting member, and a back edge back surface intersecting the back edge surface by forming a predetermined angle therebetween, wherein a surface roughness Ra of the back edge back surface is 0.2 μm or less.
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