Electrode of electron gun for cathode ray tube

Details Electrode of electron gun for cathode ray tube Electrode of electron gun for cathode ray tube

1992-11-02

1995-04-11

O'Shea, Sandra L.

Electric lamp and discharge devices

Cathode ray tube

Plural beam generating or control

313417, 313456, H01J 2948

Patent

active

054061695

ABSTRACT:
An electrode for electro gun of a cathode ray tube includes an external electrode member formed on the top of a cup-shaped body and having a large-diameter electron beam passing hole through which three electron beams pass commonly, and an internal electrode member inserted into the external electrode member and having three separate electron beam passing holes on the top of the internal electrode, wherein protrusions are formed on the outer surface of the internal electrode member, thereby enhancing the assembly precision of the external and internal electrode members.

REFERENCES:
patent: 4323813 (1982-04-01), Vieland et al.
patent: 4668892 (1987-05-01), Peels

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