Multistage spent particle collector and a method for making same

Details Multistage spent particle collector and a method for making same Multistage spent particle collector and a method for making same

1983-09-30

1985-07-02

Moore, David K.

Electric lamp and discharge devices: systems

Cathode ray tube circuits

Combined cathode ray tube and circuit element structure

315 35, 445 35, H01J 2302, H01J 2534, H01J 900

Patent

active

045270929

ABSTRACT:
It is an object of the invention to provide a spent particle collector which will maintain its structural integrity when raised to a high temperature although constructed of materials having widely different coefficients of expansion. The collector is comprised of one or more axisymmetric stages, each stage comprising a subassembly. A subassembly includes an inner pyrolytic graphite ring, a transition ring, a ceramic insulator ring and an outer metal ring which forms part of the wall of the collector. Each transition ring is of a ductile metal having high thermal conductivity and is provided with an annular sputter shield wall extending toward the source of spent particles and, where necessary, a trough in the other surface to enclose the sputter shield of the next adjacent transition ring. A plurality of radial extending slots are provided in a transition ring to form segments which are retained in their position by the sputter shield. This arrangement with the ceramic ring outwardly of the transition ring keeps the latter in contact with the inner pyrolytic graphite ring.

REFERENCES:
patent: 3549930 (1970-12-01), Katz
patent: 3644778 (1972-02-01), Mihran
patent: 3662212 (1972-05-01), Rawls
patent: 3925701 (1975-12-01), Wolfram
patent: 3970891 (1976-05-01), Heynisih
patent: 4277721 (1981-07-01), Kosmahl

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