Method of fabrication of flat grids of pyrolitic graphite for el

Details Method of fabrication of flat grids of pyrolitic graphite for el Method of fabrication of flat grids of pyrolitic graphite for el

1979-09-19

1981-01-20

Lazarus, Richard B.

Metal working

Barrier layer or semiconductor device making

Barrier layer device making

H01J 914

Patent

active

042453798

ABSTRACT:
A flat grid of pyrolytic graphite is obtained by cutting a disc from a cylindrical blank followed by deformation under pressure and by means of a partial vacuum. The grid is then machined and stretched within a stressing frame which also serves to mount the grid within the electron tube.

REFERENCES:
patent: 3535758 (1970-10-01), Hoet
patent: 4020535 (1977-05-01), Cuneo et al.

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