US5430753A — Stripline laser having composite electrodes

Claim 1

Independent Claim 90 words

Electrodes for a radio-frequency-excited, diffusion-cooled stripline laser, comprising: first and second metal electrodes each being composites including: an electrode part defining cooling channels, said electrode part having a waveguide surface, said electrode part being substantially plate shaped, and a carrier part having a mechanically stable profile shape, said carrier part being hard soldered and welded to said plate shaped electrode; and means for fixing said first and second metal electrodes relative to one another with said waveguide surfaces facing one another to define a discharge gap between said waveguide surfaces.

Claim 2

Dependent Claim 90 words

Electrodes for a radio-frequency-excited, diffusion-cooled stripline laser, comprising: first and second metal electrodes each being composites including: an electrode part defining cooling channels, said electrode part having a waveguide surface, said electrode part being substantially plate shaped, and a carrier part having a mechanically stable profile shape, said carrier part being hard soldered and welded to said plate shaped electrode; and means for fixing said first and second metal electrodes relative to one another with said waveguide surfaces facing one another to define a discharge gap between said waveguide surfaces.

Claim 3

Dependent Claim 25 words

Electrodes as claimed in claim 1, wherein said first and second metal electrodes are welded to respective ones of said first and second carrier parts.

Claim 4

Dependent Claim 28 words

Electrodes as claimed in claim 1, wherein said first and second metal electrodes are connected to respective ones of said first and second carrier parts by hard solder.

Claim 5

Dependent Claim 29 words

Electrodes as claimed in claim 1, wherein said means for fixing fixes said waveguide surfaces at a mutual spacing corresponding to a fraction of widths of said waveguide surfaces.

Claim 6

Dependent Claim 20 words

Electrodes as claimed in claim 1, wherein said first and second carrier parts are each of a U-shaped cross section.

Claim 7

Dependent Claim 25 words

Electrodes a claimed in claim 1, wherein said first and second carrier parts are each of a substantially rectangular cross section having a hollow interior.

Claim 8

Dependent Claim 31 words

Electrodes as claimed in claim 1, wherein said first and second metal electrodes have portions defining cooling channels that are open toward respective ones of said first and second carrier parts.

Claim 9

Dependent Claim 17 words

Electrodes as claimed in claim 1, wherein said first and second metal electrodes consist essentially of copper.

Claim 10

Dependent Claim 18 words

Electrodes as claimed in claim 1, wherein said first and second carrier parts consist essentially of stainless steel.

Claim 11

Dependent Claim 25 words

Electrodes as claimed in claim 1, wherein said means for fixing fixes said waveguide surfaces so that corner edges thereof are offset from one another.

Claim 12

Dependent Claim 21 words

Electrodes as claimed in claim 1, wherein said first and second metal electrodes have corner edges shaped along radii of curvature.

Claim 13

Dependent Claim 15 words

Electrodes as claimed in claim 1, further comprising: a metallic coating on said waveguide surfaces.

Claim 14

Dependent Claim 53 words

Electrodes as claimed in claim 1, wherein said means for fixing includes: metallic members connected to said first and second carrier parts; and at least one ceramic spacer connected to said metallic members to connect said first and second carrier parts to one another at a spacing that is substantially independent of temperature.

Claim 15

Dependent Claim 12 words

Electrodes as claimed in claim 13, wherein said metallic members are laminae.

Claim 16

Dependent Claim 12 words

Electrodes as claimed in claim 13, wherein said metallic members are angles.

Claim 17

Dependent Claim 32 words

Electrodes as claimed in claim 13, wherein said at least one ceramic spacer comprises two ceramic spacers, and further comprising: means for affixing said two ceramic spacers to one another under pressure.

Claim 18

Dependent Claim 48 words

Electrodes as claimed in claim 13, wherein said at least one ceramic spacer is fixed outside a maximum amplitude of resonant oscillations during operation of said stripline laser, and said first and second metallic electrodes defining forces at locations of pressure inhomogeneities during operation of said stripline laser.

Claim 19

Dependent Claim 74 words

Electrodes as claimed in claim 1, wherein said first and second metal electrodes have portions defining two middle cooling channels side-by-side and two outside cooling channels, one of said outside cooling channels being one either side of said two middle cooling channels, and further comprising: means for pumping cooling fluid through said cooling channels so that the cooling fluid enters through said two middle cooling channels and returns through said two outside cooling channels.

Claim 20

Dependent Claim 30 words

Electrodes as claimed in claim 1, further comprising: an adapter member between each of said first and second metal electrodes and respective ones of said first and second carrier parts.

Claim 21

Dependent Claim 14 words

Electrodes as claimed in claim 19, wherein said adaptor member consists essentially of copper.

Claim 22

Dependent Claim 19 words

Electrodes as claimed in claim 19, wherein said adaptor member includes portions defining cooling channels for carrying cooling fluid.

Claim 23

Dependent Claim 49 words

Electrodes as claimed in claim 1, wherein said first an second carrier parts are hollow, and further comprising: means in said first and second carrier parts for dividing interior spaces of said carrier parts into sub-spaces, one of said sub-spaces being capable of carrying a flow of cooling fluid.

Claim 24

Dependent Claim 101 words

A pair of electrodes for a stripline laser, comprising: first and second composite electrodes each including: an electrode plate having a substantially planar waveguide surface and a surface opposite said waveguide surface defining a plurality of cooling channels, and a carrier part having a mechanically stable profile shape, said carrier part being one hard soldered and welded to said plate shaded electrode; and ceramic spacers connected to said first and second metal electrodes to fix said first and second metal electrodes relative to one another with said waveguide surfaces facing one another to define a discharge gap between said waveguide surfaces.

Claim 25

Dependent Claim 101 words

A pair of electrodes for a stripline laser, comprising: first and second composite electrodes each including: an electrode plate having a substantially planar waveguide surface and a surface opposite said waveguide surface defining a plurality of cooling channels, and a carrier part having a mechanically stable profile shape, said carrier part being one hard soldered and welded to said plate shaded electrode; and ceramic spacers connected to said first and second metal electrodes to fix said first and second metal electrodes relative to one another with said waveguide surfaces facing one another to define a discharge gap between said waveguide surfaces.

Annuity Stage	Window Opens	Payment Deadline	Surcharge Period Until	Estimated Fee	Status
3.5 Years (Year 4)	1998-07-03	1999-01-02	1999-07-04	$2000.00	Window Closed / Lapsed
7.5 Years (Year 8)	2002-07-03	2003-01-02	2003-07-04	$3760.00	Window Closed / Lapsed
11.5 Years (Year 12)	2006-07-03	2007-01-02	2007-07-04	$7700.00	Window Closed / Lapsed

Stripline laser having composite electrodes

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