Cathode for electron tube

Details Cathode for electron tube Cathode for electron tube

1998-01-09

1999-11-02

Patel, Vip

Electric lamp and discharge devices

Electrode and shield structures

Cathodes containing and/or coated with electron emissive...

313346OL, H01J 114

Patent

active

059776994

ABSTRACT:
A cathode for an electron tube, includes a base metal having nickel as a main component, and an electron emitting material layer containing an alkaline earth metal oxide having barium oxide as a main component, wherein a metal layer having zirconium as a main component is located between the base metal and the electron emitting material layer. The cathode has an excellent initial electron emitting characteristic and can emit a large quantity of electrons for a long time. Therefore, the cathode is suitable for a larger and higher-definition CRT.

REFERENCES:
patent: 5548184 (1996-08-01), Choi et al.

Affiliated with

Also associated with

Rating

Cathode for electron tube does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Cathode for electron tube, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Cathode for electron tube will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-2139816