method of attaching coma correction members to an inline electron gun
AssigneeRCA Licensing Corporation
InventorJohn R. Hale
Life of this patent
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Abstract
The present invention provides an improvement in a color picture tube having an inline electron gun with coma correction members therein. The gun includes at least two electrodes that form a main focusing lens and a shield cup interconnected to one of the main focus electrodes. The improvement comprises the coma correction members being attached to the outside surface of the shield cup facing the main focusing lens electrodes. In a method of attaching the coma correction members to the shield cup, the members are provided as one of a plurality of sets of members in a continuous strip. One set of members are placed against the outside surface of the bottom of the cup and welded thereto. Portions of the strip that are not part of the welded members are broken-away from the welded members.
Claims1
A method of attaching coma correction members to a shield cup of an electron gun, comprising
- providing said coma correction members as one of a plurality of sets of coma correction members included in a continuous strip,
- placing said one set of coma correction members included in said strip against the outside surface of the bottom of said shield cup,
- welding the coma correction members of said one set to said shield cup, and
- breaking-away portions of said strip that are not part of said welded coma correction members from said welded coma correction members.
Dependencies are inferred from the claim text.