Electric lamp and discharge devices – Cathode ray tube – Ray generating or control
Patent
1989-03-20
1990-08-28
O'Shea, Sandra L.
Electric lamp and discharge devices
Cathode ray tube
Ray generating or control
313451, H01J 2948
Patent
active
049528408
ABSTRACT:
An electron gun assembly includes a plurality of cathode assemblies and a plurality of spaced successive electrodes mounted on at least two electrically insulative support rods. At least one of the electrodes comprises a deep-drawn substantially rectangular cup-shaped member having a base portion, a supporting flange portion, including a plurality of attachment tabs, and a sidewall extending therebetween. The sidewall includes a plurality of coined welding areas that provide a substantially flat welding surface having structural rigidity for securing studs thereto to facilitate attachment of the electrode to the support rods.
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Hale John R.
McCauley Gerald J.
Coughlin Jr. Vincent J.
Irlbeck Dennis H.
O'Shea Sandra L.
RCA Licensing Corp.
Tripoli Joseph S.
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