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US5504391A Expired / Lapsed US ⏱️ 0.0 years remaining

Excimer lamp with high pressure fill

Assignee: LG Electronics Inc
•
Filing: 1993-01-27
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Granted: 1996-04-02
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Expires: 2013-01-27
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Abstract

Abstract An excimer lamp utilizing a high pressure fill. The fill includes a halogen at an operating pressure of greater than about 350 torr or the combination of a halogen and a rare gas at a total operating pressure of greater than about 2.5 atmospheres.

Inventors

  • 👤 Brian Turner
  • 👤 James T. Dolan

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-02 03:58
CPC Classifications
G; G03; G03F; G03F7/00; G03F7/70; G03F7/70008; G03F7/70016; H; H01; H01J; H01J61/00; H01J61/02; H01J61/12; H01J61/82; H01J65/00; H01J65/04; H01J65/042; H01J65/044; H01J65/048; H05; H05B; H05B41/00; H05B41/14; H05B41/24; H05B41/26; H05B41/28; H05B41/2806; Y; Y02; Y02B; Y02B20/00

Claims Analysis

Total Claims: 20
Claim 1
Independent Claim 51 words
A electrodeless lamp bulb comprising, an envelope which is transparent to ultraviolet radiation and does not include exterior electrodes on said envelope, and an excimer forming fill in said envelope including halogen in an amount sufficient to result in a halogen pressure of greater than about 350 torr at operating temperature.
Claim 2
Dependent Claim 51 words
A electrodeless lamp bulb comprising, an envelope which is transparent to ultraviolet radiation and does not include exterior electrodes on said envelope, and an excimer forming fill in said envelope including halogen in an amount sufficient to result in a halogen pressure of greater than about 350 torr at operating temperature.
Claim 3
Dependent Claim 15 words
The lamp bulb of claim 1 wherein said excimer forming fill consists essentially of halogen.
Claim 4
Dependent Claim 18 words
The lamp bulb of claim 1 wherein said excimer forming fill consists essentially of halogen and rare gas.
Claim 5
Dependent Claim 35 words
The lamp bulb of claims 2 or 3 in combination with, power source means for generating electromagnetic energy, and means for coupling said energy to said bulb to produce excimer radiation without producing laser oscillation.
Claim 6
Dependent Claim 12 words
The apparatus of claim 4 wherein said electromagnetic energy is microwave energy.
Claim 7
Dependent Claim 18 words
The apparatus of claim 5 wherein said microwave energy is at a power density greater than 225 watts/cc.
Claim 8
Dependent Claim 30 words
The lamp bulb of claim 1 wherein said excimer forming fill consists essentially of halogen and substance to provide spectral emphasis in a particular region or regions of the spectrum.
Claim 9
Dependent Claim 33 words
The lamp bulb of claim 1 wherein said excimer forming fill consists essentially of halogen and rare gas, and substance to provide spectral emphasis in a particular region or regions of the spectrum.
Claim 10
Dependent Claim 28 words
The lamp bulb of claim 1 wherein the amount of halogen is such to result in a halogen pressure of greater than about 750 torr at operating temperature.
Claim 11
Dependent Claim 28 words
The lamp bulb of claim 1 wherein the amount of halogen is such to result in a halogen pressure of greater than about 6 atmospheres at operating temperature.
Claim 12
Dependent Claim 35 words
The lamp bulb of claims 1 or 10 in combination with, power source means for generating electromagnetic energy, and means for coupling said energy to said bulb to produce excimer radiation without producing laser oscillation.
Claim 13
Dependent Claim 12 words
The apparatus of claim 11 wherein said electromagnetic energy is microwave energy.
Claim 14
Dependent Claim 18 words
The apparatus of claim 12 wherein said microwave energy is at a power density greater than 225 watts/cc.
Claim 15
Dependent Claim 18 words
The apparatus of claim 12 wherein said microwave energy is at a power density greater than 1000 watts/cc.
Claim 16
Dependent Claim 12 words
The apparatus of claim 11 wherein said electromagnetic energy is R.F. energy.
Claim 17
Dependent Claim 12 words
The apparatus of claim 11 wherein said excimer forming fill includes bromine.
Claim 18
Dependent Claim 12 words
The apparatus of claim 16 wherein said excimer forming fill includes xenon.
Claim 19
Dependent Claim 62 words
An arc lamp comprising, an envelope which is transparent to ultraviolet radiation and which includes electrodes therein, an excimer forming fill in said envelope including halogen in an amount suficient to result in a halogen pressure of greater than about 350 torr at operating temperature, and means for providing electrical power to said electrodes to excite said fill to produce excimer radiation.
Claim 20
Dependent Claim 62 words
An arc lamp comprising, an envelope which is transparent to ultraviolet radiation and which includes electrodes therein, an excimer forming fill in said envelope including halogen in an amount suficient to result in a halogen pressure of greater than about 350 torr at operating temperature, and means for providing electrical power to said electrodes to excite said fill to produce excimer radiation.

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1999-04-02 1999-10-02 2000-04-02 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 2003-04-02 2003-10-02 2004-04-02 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 2007-04-02 2007-10-02 2008-04-02 $7700.00 Window Closed / Lapsed

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