Coating processes – Brush or absorbent applicator utilized
Patent
1992-12-18
1993-12-14
Beck, Shrive
Coating processes
Brush or absorbent applicator utilized
4274342, 4274343, B05D 128
Patent
active
052700798
ABSTRACT:
Methods are disclosed for coating flat or curved planar surfaces by flowing a coating material through a porous applicator onto the surface of the object to be coated. Menisci of the coating material are maintained between the porous applicator and the surface of the object to be coated by attractive forces between the coating material and the surface of the object. Thin, uniform coating thicknesses, e.g., less than about 1 micron, and conformal coatings of objects having irregular surfaces can be obtained. The methods are useful, for example, for coating objects such as flat panel displays, optical devices, silicon and germanium wafers, and hybrid circuit boards.
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Beck Shrive
Maiorana David M.
Specialty Coatings Systems, Inc.
Volles W. K.
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