Electric lamp and discharge devices: systems – Cathode ray tube circuits – Combined cathode ray tube and circuit element structure
Patent
1994-01-25
1996-02-27
Lee, Benny T.
Electric lamp and discharge devices: systems
Cathode ray tube circuits
Combined cathode ray tube and circuit element structure
315 393, H01J 2324
Patent
active
054951445
ABSTRACT:
A helical slow-wave circuit assembly includes a helix, P-BN pillars, a metal cylinder, artificial diamond films, and intermediate films. The helix constitutes a slow-wave circuit of the electromagnetic wave with respect to an electron flow and generates an electromagnetic wave that travels as a current flows. The P-BN pillars are disposed equidistantly around the helix in a direction along which the electromagnetic wave travels, and contains at least nitrogen. The metal cylinder supports the helix therein through the P-BN pillars. The artificial diamond films are formed on outer circumferential surfaces of the P-BN pillars. The intermediate layers are formed between the P-BN pillars and the artificial diamond films and prevents diffusion of nitrogen from the P-BN pillars to the diamond films.
REFERENCES:
patent: 3466494 (1969-09-01), Eichin et al.
patent: 4683400 (1987-07-01), Seal
patent: 5038076 (1991-08-01), Smith et al.
patent: 5071055 (1991-12-01), Grauleau et al.
patent: 5274304 (1993-12-01), Nishida
Patent Abstracts of Japan vol. 015 No. 236 (E-1078), 18 Jun. 1991.
Lee Benny T.
NEC Corporation
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