Depressed electron beam collector

Claim 2

A lineal electron beam device comprising: electron beam forming means, high frequency circuit means in energy exchanging relation with said electron beam, hollow electron beam-collector means spaced from said high frequency circuit means and having axially extending interior surface means for collecting said electrons and axially extending outer surface means, vacuum envelope means supporting said electron beam forming means and said high frequency circuit means, flexible support means within said vacuum envelope means for supporting said electron beam-collector means in electrically insulated, heat conducting relation within said vacuum envelope means, said flexible support means comprising: first ring-shaped flexible metal fin means having first and second concentric portions, second ring-shaped flexible metal fin means having third and fourth concentric portions, and electric insulating, heat conducting means bonded to said first and third portions for forming therewith integral flexible support means.

Claim 3

Apparatus as described in claim 1 wherein said electron beam-collector means is coupled to electrical conductor means passing in insulated relation through said vacuum envelope means and adapted to be operated at a potential negative with respect to said high frequency circuit means.

Claim 4

Apparatus as described in claim 1 wherein said electrical insulating, heat conducting means is in the form of a ring with opposed flat parallel sides respectively bonded to said first and third portions of said flexible metal fin means.

Claim 5

Apparatus as described in claim 3 wherein said first portion is in the form of a truncated conical shell.

Claim 6

Apparatus as described in claim 3 wherein said fourth portion is in the form of a truncated conical shell.

Claim 7

Apparatus as described in claim 4 wherein the base of said truncated conical shell of said second portion is affixed to said vacuum envelope means.

Claim 8

Apparatus as in claim 5 wherein the base of said truncated conical shell of said fourth portion is affixed to said outer surface means.

Claim 9

A lineal electron beam device comprising: electron beam forming means, high frequency circuit means in energy exchanging relation with said electron beam, hollow electron beam-collector means spaced from said high frequency circuit means and having an axially extending interior surface means for collecting said electrons and an axially extending outer surface means, vacuum envelope means supporting said electron beam forming means and said high frequency circuit means, flexible support means for supporting said electron beam-collector means within said vacuum envelope means, said flexible support means being fixedly attached to said outer surface means and to said vacuum envelope means in heat exchanging relation therebetween, said flexible support means comprising: a first plurality of sUbstantially regularly spaced fin means extending outwardly from said outer surface means, a second plurality of substantially regularly spaced fin means extending inwardly from said vacuum envelope means in non-contacting interleaved relation with said first plurality and forming a plurality of substantially regular spaces between said interleaved elements, and a third plurality of thermally conducting, electrically insulating means occupying at least a portion of each said spaces between said interleaved elements and bonded thereto for forming a plurality of radial, electrically insulated, thermally conducting paths between said electron beam-collector means and said vacuum envelope means, at least first and second electrical conductor means passing in insulated relation through said vacuum envelope means, for supplying electric potentials to said electron beam-collector means, said electron beam collector means comprising at least first and second electrically insulated axially aligned portions, and, said first and second conductor means being adapted respectively to apply first and second potentials to said respective first and second aligned portions of said electron beam-collector means.

Claim 10

A lineal electron beam device comprising: electron beam forming means, high frequency circuit means in energy exchanging relation with said electron beam, hollow electron beam-collector means spaced from said high frequency circuit means and having an axially extending interior surface means for collecting said electrons and an axially extending outer surface means, vacuum envelope means supporting said electron beam forming means and said high frequency circuit means, flexible support means for supporting said electron beam-collector means within said vacuum envelope means, said flexible support means being fixedly attached to said outer surface means and to said vacuum envelope means in heat exchanging relation therebetween, said flexible support means comprising: a first plurality of sUbstantially regularly spaced fin means extending outwardly from said outer surface means, a second plurality of substantially regularly spaced fin means extending inwardly from said vacuum envelope means in non-contacting interleaved relation with said first plurality and forming a plurality of substantially regular spaces between said interleaved elements, and a third plurality of thermally conducting, electrically insulating means occupying at least a portion of each said spaces between said interleaved elements and bonded thereto for forming a plurality of radial, electrically insulated, thermally conducting paths between said electron beam-collector means and said vacuum envelope means, at least first and second electrical conductor means passing in insulated relation through said vacuum envelope means, for supplying electric potentials to said electron beam-collector means, said electron beam collector means comprising at least first and second electrically insulated axially aligned portions, and, said first and second conductor means being adapted respectively to apply first and second potentials to said respective first and second aligned portions of said electron beam-collector means.

Claim 11

A lineal electron beam device comprising: electron beam forming means, high frequency circuit means in energy exchanging relation with said electron beam, hollow electron beam-collector means spaced from said high frequency circuit means and having axially extending interior surface means for collecting said electrons and axially extending outer surface means, vacuum envelope means supporting said electron beam forming means and said high frequency circuit means, flexible support means within said vacuum envelope means for supporting said electron beam collector means, said flexible support means comprising: a first plurality of substantially regularly spaced fin means affixed to and extending outwardly from said outer surface means, a second plurality of substantially regularly spaced fin means affixed to and extending inwardly from said vacuum envelope means in non-contacting interleaved relation with said first plurality and forming a plurality of regular spaces between said interleaved elements, and a third plurality of thermally conducting, electrically insulating means occupying at least a portion of each of said spaces between said interleaved elements and bonded thereto for forming a plurality of radial, electrically insulated, thermally conducting paths between said electron beam-collector means and said vacuum envelope means.

Claim 12

A lineal electron beam device comprising: electron beam forming means, high frequency circuit means in energy exchanging relation with said electron beam, hollow electron beam-collector means spaced from said high frequency circuit means and having axially extending interior surface means for collecting said electrons and axially extending outer surface means, vacuum envelope means supporting said electron beam forming means and said high frequency circuit means, flexible support means within said vacuum envelope means for supporting said electron beam collector means, said flexible support means comprising: a first plurality of substantially regularly spaced fin means affixed to and extending outwardly from said outer surface means, a second plurality of substantially regularly spaced fin means affixed to and extending inwardly from said vacuum envelope means in non-contacting interleaved relation with said first plurality and forming a plurality of regular spaces between said interleaved elements, and a third plurality of thermally conducting, electrically insulating means occupying at least a portion of each of said spaces between said interleaved elements and bonded thereto for forming a plurality of radial, electrically insulated, thermally conducting paths between said electron beam-collector means and said vacuum envelope means.