DE3920649C2 - - Google Patents
Info
- Publication number
- DE3920649C2 DE3920649C2 DE19893920649 DE3920649A DE3920649C2 DE 3920649 C2 DE3920649 C2 DE 3920649C2 DE 19893920649 DE19893920649 DE 19893920649 DE 3920649 A DE3920649 A DE 3920649A DE 3920649 C2 DE3920649 C2 DE 3920649C2
- Authority
- DE
- Germany
- Prior art keywords
- lamp
- light source
- source according
- microwave
- gas discharge
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
- 230000005684 electric field Effects 0.000 claims description 7
- 239000002826 coolant Substances 0.000 claims description 5
- 230000008878 coupling Effects 0.000 claims description 5
- 238000010168 coupling process Methods 0.000 claims description 5
- 238000005859 coupling reaction Methods 0.000 claims description 5
- 230000005672 electromagnetic field Effects 0.000 claims description 3
- 238000001816 cooling Methods 0.000 description 8
- 238000009826 distribution Methods 0.000 description 4
- 239000000463 material Substances 0.000 description 4
- GQKYKPLGNBXERW-UHFFFAOYSA-N 6-fluoro-1h-indazol-5-amine Chemical compound C1=C(F)C(N)=CC2=C1NN=C2 GQKYKPLGNBXERW-UHFFFAOYSA-N 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 239000000112 cooling gas Substances 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000000945 filler Substances 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000013021 overheating Methods 0.000 description 1
- 239000010453 quartz Substances 0.000 description 1
- -1 rare earth halides Chemical class 0.000 description 1
- 229910052761 rare earth metal Inorganic materials 0.000 description 1
- 230000002441 reversible effect Effects 0.000 description 1
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N silicon dioxide Inorganic materials O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01P—WAVEGUIDES; RESONATORS, LINES, OR OTHER DEVICES OF THE WAVEGUIDE TYPE
- H01P5/00—Coupling devices of the waveguide type
- H01P5/02—Coupling devices of the waveguide type with invariable factor of coupling
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J65/00—Lamps without any electrode inside the vessel; Lamps with at least one main electrode outside the vessel
- H01J65/04—Lamps in which a gas filling is excited to luminesce by an external electromagnetic field or by external corpuscular radiation, e.g. for indicating plasma display panels
- H01J65/042—Lamps in which a gas filling is excited to luminesce by an external electromagnetic field or by external corpuscular radiation, e.g. for indicating plasma display panels by an external electromagnetic field
- H01J65/044—Lamps in which a gas filling is excited to luminesce by an external electromagnetic field or by external corpuscular radiation, e.g. for indicating plasma display panels by an external electromagnetic field the field being produced by a separate microwave unit
Landscapes
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Engineering & Computer Science (AREA)
- Plasma & Fusion (AREA)
- Non-Portable Lighting Devices Or Systems Thereof (AREA)
- Discharge Lamps And Accessories Thereof (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US07/211,543 US4975625A (en) | 1988-06-24 | 1988-06-24 | Electrodeless lamp which couples to small bulb |
| US07/213,041 US4902935A (en) | 1988-06-29 | 1988-06-29 | Method and apparatus for evening out the temperature distribution of electrodeless lamp bulbs |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| DE3920649A1 DE3920649A1 (de) | 1990-01-04 |
| DE3920649C2 true DE3920649C2 (enrdf_load_stackoverflow) | 1992-02-06 |
Family
ID=26906230
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE19893920649 Granted DE3920649A1 (de) | 1988-06-24 | 1989-06-23 | Verfahren und vorrichtung zur vergleichsmaessigung der temperaturverteilung von lampen fuer elektrodenlose leuchten |
| DE19893920628 Granted DE3920628A1 (de) | 1988-06-24 | 1989-06-23 | Elektrodenlose leuchte zur kopplung mit einer kleinen lampe |
Family Applications After (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE19893920628 Granted DE3920628A1 (de) | 1988-06-24 | 1989-06-23 | Elektrodenlose leuchte zur kopplung mit einer kleinen lampe |
Country Status (1)
| Country | Link |
|---|---|
| DE (2) | DE3920649A1 (enrdf_load_stackoverflow) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4887192A (en) * | 1988-11-04 | 1989-12-12 | Fusion Systems Corporation | Electrodeless lamp having compound resonant structure |
| US5334913A (en) * | 1993-01-13 | 1994-08-02 | Fusion Systems Corporation | Microwave powered lamp having a non-conductive reflector within the microwave cavity |
| US5767626A (en) * | 1995-12-06 | 1998-06-16 | Fusion Systems Corporation | Electrodeless lamp starting/operation with sources at different frequencies |
Family Cites Families (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3993927A (en) * | 1975-04-21 | 1976-11-23 | Gte Laboratories Incorporated | Electrodeless light source |
| US3943403A (en) * | 1975-04-21 | 1976-03-09 | Gte Laboratories Incorporated | Electrodeless light source utilizing a lamp termination fixture having parallel capacitive impedance matching capability |
| US4532427A (en) * | 1982-03-29 | 1985-07-30 | Fusion Systems Corp. | Method and apparatus for performing deep UV photolithography |
| US4749915A (en) * | 1982-05-24 | 1988-06-07 | Fusion Systems Corporation | Microwave powered electrodeless light source utilizing de-coupled modes |
| US4695757A (en) * | 1982-05-24 | 1987-09-22 | Fusion Systems Corporation | Method and apparatus for cooling electrodeless lamps |
| US4485332A (en) * | 1982-05-24 | 1984-11-27 | Fusion Systems Corporation | Method & apparatus for cooling electrodeless lamps |
| DE3318795A1 (de) * | 1982-05-24 | 1983-12-15 | Fusion Systems Corp., 20852 Rockville, Md. | Mit mikrowellen gespeiste elektrodenlose lampe |
| JPS60184250A (ja) * | 1984-03-01 | 1985-09-19 | フュージョン・システムズ・コーポレーション | セグメント化された反射器を有するランプ |
| DE3823766A1 (de) * | 1987-07-15 | 1989-01-26 | Fusion Systems Corp | Verfahren und vorrichtung zum aendern der emissionseigenschaften einer elektrodenlosen lampe |
-
1989
- 1989-06-23 DE DE19893920649 patent/DE3920649A1/de active Granted
- 1989-06-23 DE DE19893920628 patent/DE3920628A1/de active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| DE3920649A1 (de) | 1990-01-04 |
| DE3920628A1 (de) | 1989-12-28 |
| DE3920628C2 (enrdf_load_stackoverflow) | 1991-09-12 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| OP8 | Request for examination as to paragraph 44 patent law | ||
| D2 | Grant after examination | ||
| 8364 | No opposition during term of opposition | ||
| 8339 | Ceased/non-payment of the annual fee |