Electric lamp and discharge devices – With temperature modifier – Using liquids or fluid flow directing means
Patent
1978-05-22
1979-08-14
Smith, Alfred E.
Electric lamp and discharge devices
With temperature modifier
Using liquids or fluid flow directing means
228178, H01J 726
Patent
active
041646770
ABSTRACT:
An anode for an electron beam laser is formed by a thin metallic foil which functions both as a laser cavity wall having an airtight seal, and as a window which permits the passage of electrons therethrough into the laser cavity. This foil anode is supported on a frame structure in a manner such that the foil presents a smooth surface for the laser gas flow and the frame structure provides cooling for the anode to dissipate the heat generated by the electron flow. This frame structure includes a plurality of similar side-by-side, longitudinal, substantially flat, web elements which are separated from each other by gaps through which the electrons can pass. The web elements have cooling tubes welded to each of the opposite edges thereof, one of the tubes being capped with a flat strip which provides a flat surface against which the foil anode can be supported. The web elements are supported at their opposite ends by support blocks which are used to mount these elements in position between the electron gun and the laser cavity, with manifolds being provided in each of the support blocks for feeding cooling fluid to the tubes. The web elements are structurally supported and separated from each other by comb members which extend thereacross between the end blocks. A method is also described for assembling the anode support structure wherein plugs of brazing material are inserted in apertures formed in the web to braze the tubes to the end box and curved sheaths of brazing material are inserted between the tubes, the web and the cap to enable electrical brazing of the parts in a single step.
REFERENCES:
patent: 3440466 (1969-04-01), Colvin et al.
patent: 3956712 (1976-05-01), Hant
patent: 3970964 (1976-07-01), Olson et al.
patent: 4063192 (1977-12-01), Bhaumik et al.
Barnett John S.
Biricik Vahram W.
Chun Kang R.
Gresko Laurence S.
Northrop Corporation
Roberts Charles F.
Smith Alfred E.
Sokolski Edward A.
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