Radiation imagery chemistry: process – composition – or product th – Producing cathode-ray tube or element thereof – With filter material on finished faceplate
Reexamination Certificate
2005-02-22
2005-02-22
McPherson, John A. (Department: 1756)
Radiation imagery chemistry: process, composition, or product th
Producing cathode-ray tube or element thereof
With filter material on finished faceplate
C427S068000
Reexamination Certificate
active
06858360
ABSTRACT:
A method and composition for manufacturing a luminescent screen assembly for a color cathode ray tube (CRT) is disclosed. The luminescent screen assembly is formed on an interior surface of a faceplate panel of the CRT. The luminescent screen assembly has a patterned light-absorbing matrix thereon. The matrix defines a first set of fields, a second set of fields, and a third set of fields. An aqueous pigment suspension is applied to the first set of fields. The aqueous pigment suspension comprises a pigment, one or more surface-active agents and at least one non-pigmented oxide particle. The at least one non-pigmented oxide particle has a size that is less than that of the pigment.
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Patent Abstract of Japan; Pub. No. 11233018; Pub. Date: Aug. 27, 1999; Applicant: Toshiba Corp; Inventor: Koike Norio; Title: Forming Method for Fluorescent Screen with Filter for Color Cathode-Ray Tube.
Fried Harvey D.
LaPeruta, Jr. Richard
McPherson John A.
Thomson Licensing S. A.
Tripoli Joseph S.
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