Coating method using hollow chuck head

Details Coating method using hollow chuck head Coating method using hollow chuck head

2005-02-08

2005-02-08

Bareford, Katherine (Department: 1762)

Coating processes

Nonuniform coating

Mask or stencil utilized

C427S430100, C118S423000, C118S428000, C118S500000, C118S505000

Reexamination Certificate

active

06852364

ABSTRACT:
A method for dip coating the exterior surface of a hollow substrate having an open first end and an open second end, the method including:(a) inserting a chuck assembly through the open first end into the substrate interior, wherein the chuck assembly includes a head section and a polymeric member and defines a space that communicates with the substrate interior but is otherwise enclosed, wherein the space is located in the head section;(b) holding the substrate with the chuck assembly wherein the polymeric member forms a hermetic seal with the substrate;(c) contacting the substrate with a coating solution, starting from the second end, while the chuck assembly holds the substrate and the hermetic seal is maintained between the polymeric member and the substrate, wherein there is a closed area into which vapor from the coating solution can flow and the closed area is defined by the space of the chuck assembly and the substrate interior; and(d) separating the substrate and the coating solution to leave a layer of the coating solution on the exterior surface of the substrate.

REFERENCES:
patent: 5186477 (1993-02-01), Nakazawa et al.
patent: 5282888 (1994-02-01), Fukawa et al.
patent: 5683755 (1997-11-01), Godlove et al.
patent: 5688327 (1997-11-01), Swain et al.
patent: 5743538 (1998-04-01), Schmitt et al.
patent: 5853813 (1998-12-01), Chambers et al.
patent: 6132810 (2000-10-01), Swain et al.
patent: 20020040681 (2002-04-01), Furuya et al.
Thomas et al., “Coating Method Using Chuck With Air Chamber”, U.S. Appl. No. 10/409,777, (D/A2117) filed concurrently herewith.

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