Apparatus and method for fusing polymer powder onto a faceplate

Details Apparatus and method for fusing polymer powder onto a faceplate Apparatus and method for fusing polymer powder onto a faceplate

1989-09-05

1993-07-20

McCamish, Marion E.

Radiation imagery chemistry: process, composition, or product th

Producing cathode-ray tube or element thereof

430 28, 430 29, 427 68, 427335, 118300, G03C 500

Patent

active

052292339

ABSTRACT:
An apparatus for fusing a polymer powder deposited on a surface of a faceplate panel of a cathode-ray tube comprises a housing having a faceplate support surface and enclosing a chamber. A shutter adjacent to the panel support surface separates the faceplate panel from the chamber. A reservoir for holding a solvent is within the chamber and at least one piezoelectric transducer communicates with the reservoir for atomizing the solvent to create a fog. A fan within the chamber distributes the fog onto the polymer powder. A method for fusing the polymer powder onto the faceplate panel also is described.

REFERENCES:
patent: 2776907 (1957-01-01), Carlson
patent: 2965482 (1960-12-01), Dessauer et al.
patent: 2995464 (1961-08-01), Gundlach
patent: 4376143 (1983-03-01), Lehman
patent: 4921767 (1990-05-01), Datta et al.
patent: 5028501 (1991-07-01), Ritt et al.

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