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US 5,964,632 AGranted
Method of and apparatus for manufacturing of cathode-ray tube
AssigneeSony Corporation
InventorKanehiro Makino
Life of this patent
Estimating the term…
Abstract
After a phosphor layer is formed on an inner surface of a facepanel, panel pins which support color selection electrodes on the inner surface of the facepanel are cleaned immediately before the facepanel is sealed to a cathode-ray tube funnel.
Claims4
A method of manufacturing a cathode-ray tube, comprising the steps of:
- forming a phosphor layer on an inner surface of a facepanel;
- cleaning panel pins which support color selection electrodes on the inner surface of the facepanel after each phosphor layer is formed;
- coating panel pins with a conductive film;
- dry-cleaning panel pins after the panel pins have been coated with the conductive film;
- mounting the color selection electrodes on the panel pins immediately after the panel pins are dry-cleaned;
- and
- sealing the facepanel to a cathode-ray tube funnel immediately thereafter.
4 more elements
A method of manufacturing a cathode-ray tube, comprising the steps of:
- forming a phosphor layer on an inner surface of a facepanel;
- cleaning a plurality of panel pins which support color selection electrodes on the inner surface of the facepanel simultaneously;
- mounting the color selection electrodes on the panel pins immediately after the panel pins are cleaned;
- and
- sealing the facepanel to a cathode-ray tube funnel immediately thereafter.
2 more elements
Dependencies are inferred from the claim text.