WO2009015694A1 - Herstellungsverfahren für entladungslampen - Google Patents
Herstellungsverfahren für entladungslampen Download PDFInfo
- Publication number
- WO2009015694A1 WO2009015694A1 PCT/EP2007/057935 EP2007057935W WO2009015694A1 WO 2009015694 A1 WO2009015694 A1 WO 2009015694A1 EP 2007057935 W EP2007057935 W EP 2007057935W WO 2009015694 A1 WO2009015694 A1 WO 2009015694A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- gas
- discharge
- discharge vessel
- filling
- vessel
- Prior art date
Links
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J9/00—Apparatus or processes specially adapted for the manufacture, installation, removal, maintenance of electric discharge tubes, discharge lamps, or parts thereof; Recovery of material from discharge tubes or lamps
- H01J9/24—Manufacture or joining of vessels, leading-in conductors or bases
- H01J9/26—Sealing together parts of vessels
- H01J9/265—Sealing together parts of vessels specially adapted for gas-discharge tubes or lamps
- H01J9/266—Sealing together parts of vessels specially adapted for gas-discharge tubes or lamps specially adapted for gas-discharge lamps
- H01J9/268—Sealing together parts of vessels specially adapted for gas-discharge tubes or lamps specially adapted for gas-discharge lamps the vessel being flat
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J9/00—Apparatus or processes specially adapted for the manufacture, installation, removal, maintenance of electric discharge tubes, discharge lamps, or parts thereof; Recovery of material from discharge tubes or lamps
- H01J9/38—Exhausting, degassing, filling, or cleaning vessels
- H01J9/395—Filling vessels
Definitions
- the present invention relates to a method of manufacturing a discharge lamp.
- Discharge lamps have a closed and a discharge gas-containing discharge vessel. Accordingly, a method for the production of discharge lamps comprises introducing the discharge gas and the Verschlie ⁇ SEN of the discharge vessel.
- DE 101 47 727 A1 shows a continuous furnace for joining discharge vessel parts and filling the joined discharge vessels.
- the discharge vessel parts are introduced in egg ⁇ ne atmosphere with the discharge gas, joined to the atmosphere and thereby ⁇ ser also sealed.
- DE 102 25 612 A1 shows a chamber for joining and closing discharge vessel parts.
- the discharge vessel parts full chamber is then flooded with the Entla ⁇ dung gas under moderate pressure so that the discharge vessel parts lapped by the discharge gas ⁇ to.
- the object of the invention is to provide a method for producing a discharge lamp which is advantageous with regard to the filling and closing of a discharge vessel.
- the invention relates to a method for producing a discharge lamp comprising the steps of: joining and filling an open discharge vessel of the discharge lamp with a first gas in an environment of the first gas, characterized by the subsequent step: adding a second gas to the first gas in the assembled discharge vessel by a feed volume separated from the outer environment of the discharge vessel.
- the invention is based on the consideration that the pumping and filling a discharge vessel is connected to an exhaust tube with a high cost: a certain time is required for the evacuation, for Errei ⁇ chen the desired purity significant pumping ⁇ power must be used, corresponding systems are complex and therefore expensive. Especially with large discharge Vessels, such as those for flat radiator with a large diagonal, it is difficult due to the large inner surface of the discharge vessel (adhere to the adsorbate) to ensure the desired purity. In addition, some discharge lamps break during pumping.
- the invention is further motivated by the idea that the joining, ie connecting, of discharge vessel parts and the filling of discharge vessels with a gas can be carried out simultaneously.
- the invention is based on the finding that, for discharge vessels, which are accordingly filled in a discharge gas atmosphere and closed about the joining of the discharge lamp parts, under a neon / xenon atmosphere in a continuous furnace, typically ent ⁇ deviates a part of the discharge gas in the surroundings and so lost.
- the discharge gas is usually several ⁇ re components, such as helium, neon, argon and xenon.
- the idea of the invention is now that ultimately for the Discharge gas desired components to a first gas and a second gas and first to fill an open discharge vessel in an environment of the first gas. Finally, the discharge gas is completed by the overall targeted introduction of the second gas in the discharge vessel after the discharge vessel is joined and at least partially closed.
- a supply volume is used which is separated from the environment of the discharge vessel, ie not alone forms the environment.
- the second gas is not used with the complete environment of the discharge vessel, but restricted to a certain volume Vo ⁇ and thus targeted.
- Vo ⁇ the external environment of the Entladungsge ⁇ fäßes, not the discharge space is understood here is so.
- the second case it lies in the discharge vessel and is already there ⁇ separated by a further boundary from the external environment.
- the second gas is targeted and not too large or avoid spreading into the environment.
- the discharge vessel By joining after the first filling step, the discharge vessel is preferably but not necessarily completely sealed gas-tight. Thus, after closing, a comparatively small hole could remain in the discharge vessel wall, through which the second gas is introduced. But it can also be to ge back ⁇ opens. Alternatively, the discharge vessel can be concluded off and included the separate volume with the two ⁇ th gas.
- the invention enables a targeted introduction of certain discharge gas components with the second gas.
- the second gas and the first gas should therefore differ OF INVENTION ⁇ dung according to, in particular to the compo ⁇ components with which a filling in one or from a complete environment of the discharge vessel is low, all or at least substantially conces- the first gas be assigned and correspondingly other components in which a targeted introduction of particular advantage, especially the second gas are assigned.
- This can also be quantified on the basis of the partial pressure of the discharge gas components.
- the second gas has a component whose partial pressure in the discharge gas is at least 70% due to the second gas, more preferably at least 90% or even more 98%.
- the discharge gas should contain at least one component which essentially or virtually exclusively originates from the filling step with the second gas.
- the preferably comparatively large opening of the Entla ⁇ tion vessel before joining allows rapid filling of the discharge vessel with the first gas or even a Rinse ⁇ len with this, especially in still isolated discharge vessel parts. By such flushing of the discharge vessel with the first gas, this can be cleaned and also other impurities can be kept away - even in the form of undesirable gases.
- An elaborate evacuation of a chamber, as in the vacuum furnace, can be dispensed with here.
- the partial pressures of the components of this gas in the discharge vessel of the temperature of the gas during the closing depend. If it is intended to avoid manufacturing tolerances caused thereby for certain components of the discharge gas, these components can be added to the second gas. It is preferable to use a through-running ⁇ oven for the first filling step and to use the first gas in a continuous furnace and to clean the discharge vessel and also for keeping out contaminants. For this purpose, a flow of the first gas and the discharge vessel is established in the continuous furnace. Be possibly performed no recovery of the first gas - depending on the distri ⁇ development of the discharge gas components on the first and second gas needs - even at high conversions.
- the discharge gas may contain components which even prevent an analysis of the discharge gas by spectroscopy he ⁇ or heavy.
- Discharge gas components which are not to be analyzed with can be introduced into the discharge vessel with the second gas. In one embodiment, therefore, after the at least partial closing of the discharge vessel and before the introduction of the second gas, a spectral analysis of the first gas is carried out in the discharge vessel.
- a spectral analysis of the first gas is carried out in the discharge vessel.
- a spectral analysis of the first gas is carried out in the discharge vessel.
- a spectral analysis of the first gas is carried out in the discharge vessel.
- neon has a much higher excitation energy than xenon, so that impurities can be detected by spectroscopy of the discharge radiation. Due to the relatively low excitation energy, xenon would usually interfere with this.
- Such spectroscopic examination can example ⁇ as using auxiliary electrodes, such simple metal strip outside the furnace and after the first filling step by igniting a local discharge successes gen.
- the auxiliary electrodes can be removed then again, so they do not interfere with the further manufacturing process and in the finished lamp are not available.
- the second gas is introduced into the discharge vessel via a filler neck.
- the filler may for example be applied to a discharge ⁇ vessel part already prior to the closing of the discharge vessel and before and preferably still closed even after this step.
- a connection piece can be placed on a SEN according to the Schliemann remaining hole of the discharge vessel and introduced through the second gas this ⁇ the. Subsequently, this nozzle can be merged with the Entla ⁇ tion vessel.
- the filler neck can then be opened before the second filling step, such as broken.
- an ampoule of the second gas in the discharge vessel is ⁇ closed and opened in connection with the first filling step and the joining. In this way, it is possible to precisely control the amount of the second gas introduced into the discharge vessel.
- the ampoule can be broken up, for example, by means of a laser or other electromagnetic waves.
- the second gas mixes with the first gas to form the discharge gas. It is preferable to take the vial on the edge of Entladungsgefä ⁇ SSES. If the ampoule outside the luminous ⁇ field, they do not interfere with the light emitted from the discharge lamp. Furthermore, it is possible, in particular at the edge of the discharge lamp, to pick up the ampoule in such a way that it does not spatially restrict the discharge. Vorzugswei ⁇ se are in the same area or adjacent to the receptacle for the ampoule uncoated discharge vessel window in particular openings in the phosphor layer in order to carry out the mentioned diagnostics, available.
- the first gas could be included in a recovery.
- the two-stage process according to this invention makes it possible to carry out the filling process for such gases as a second step, so that the first gas can be discarded more simply and advantageously.
- the invention is particularly directed to the development of so-called herstel ⁇ flat radiator, in which the discharge vessel is formed flat and relativelyfor- matig compared to starch.
- the large sides of the flat radiator are formed by two substantially plane-parallel plates.
- the plates can be structured and must, despite the name "flat ⁇ radiator", not be flat in the strict sense of the word.
- the invention is directed in particular to the production of dielectrically impeded discharge lamps.
- the power to sustain the discharge via dielectrically separated from the discharge gas electrodes is capacitively coupled into the discharge gas.
- Fig. 1 shows a continuous furnace for carrying out the method according to the invention.
- Fig. 2 shows the continuous furnace of Figure 1 with additions.
- FIG. 3 shows a discharge vessel which has passed through a part of the manufacturing process according to the invention.
- Fig. 4 shows a schematic representation to a ⁇ al ternatives ability to Figure 3.
- FIG. 1 shows a continuous furnace 1 for joining discharge vessel parts 2 to discharge vessels 3.
- the discharge vessel parts 2 are introduced in the drawing from right to left on a conveyor belt 4 through an opening 5 of the continuous furnace 1 and the joined discharge vessels 3 through an opening 6 transported out of the oven 1.
- the discharge vessel parts 2 correspond cover (top) and floor (bottom) of the final discharge vessel 3.
- the Ent ⁇ charge tubes 3 are for dielectrically impeded flat strahier determined.
- the external electrodes or their contacting are attached in a manner known per se in the following method steps (not shown).
- the discharge vessel parts 2 pass through prior to introduction into the furnace 1 already known cleaning and processing steps (not shown); so as to be in front ⁇ coated from the inside of the discharge vessel parts with a phosphor and a reflector layer partially be ⁇ .
- the continuous furnace 1 has heating elements 7 for heating the furnace interior.
- Gas supply 8 are provided with further heating elements 9.
- the interior of the oven is heated by the heating elements 7 and by a first gas introduced via the gas feeds 8 and heated by the heating elements 9.
- the first still spaced discharge vessel parts 2 are placed between these SF6 glass pieces as Ab ⁇ spacers. Due to the high temperature in the continuous furnace 1, these soften and the upper discharge vessel part 2 is lowered onto the lower discharge vessel part 2. The edges of the discharge vessel parts 2 are provided with egg nem glass solder, which is melted in the continuous furnace 1 and over which the discharge vessel parts 2 are joined together gas-tight.
- the discharge vessel parts or the joined discharge vessels must be cleaned in ⁇ be known per se and rinsed residual moisture and any residual components of organic mate ⁇ rials such as solvents or binder ingredients to corresponds distant.
- the inside of the oven is flooded via the gas feeds 8 with the first gas, a helium / neon mixture.
- the helium / neon mixture is introduced with sufficient pressure to ensure a constant flow through the interior of the oven and the openings 5 and 6 of the continuous furnace.
- Between the first still spaced discharge vessel parts 2 is located, in addition to the SF6 glass pieces, within the continuous furnace exclusively introduced by the gas feeds 8 first gas. As the SF6 glass pieces soften, the first gas is trapped on the lower discharge vessel portion 2 as the upper discharge vessel portion 2 is lowered.
- FIG. 2 shows the continuous furnace from FIG. 1 supplemented by gas suction lines 10 and a pump 11.
- the first gas flows primarily into the gas suction lines 10.
- the extracted noble gases are then recovered in a manner known per se (not shown).
- FIG. 3 shows one of the discharge vessels 3 joined as described above from above. It includes gas-tight the He / Ne mix; Further, it contains two received at the outer edge ampoules 12, which are provided in the lateral smaller channels and round in section. The ampoule itself and the inside of the Entladungsge ⁇ fäßes 3, along which they are added, do not - as the rest of the inner surface of the discharge vessel 3 - coated with a phosphor or a reflector layer ⁇ .
- FIG. 3 shows, between the two ampule channels, larger channels in cross-section, which form the actual discharge volume and have already been described elsewhere in the prior art.
- an IR laser is used to open the ampoules.
- microwaves can also be used.
- temperature gradients can be generated by energy coupling into partial regions of the ampoules, which leads to fracture due to material stresses.
- the discharge vessel is 40 cm wide, 70 cm long and in the middle inside 0.3 cm high, in places, but also up to 0.55 cm high (clear inside height).
- the ampoules have 1 mm quartz walls, are 67 cm long and have an inside diameter of 3 mm.
- At a xenon pressure of 10 bar within the ampoules 12 (at room temperature) results in a xenon partial pressure of 0.1 bar within the discharge vessel 3, when the ampoules are opened by laser ⁇ radiation and distributes the xenon in the discharge vessel 3 has (at room temperature).
- the emission spectrum of the He / Ne mixture is examined. Impurities can be detected as the production and further lack ⁇ -like discharge lamps are avoided.
- FIG. 4 outlines a further variant for the second
- the filling volume 15 is connected via a first valve 17 with egg ⁇ nem gas outlet and via a second valve 18 with a gas inlet. It also has a ⁇ be pointed heater 19.
- the filling volume 15 is part of a further apparatus for filling, not of the continuous furnace, and surrounds the filling nozzle 13 in the manner outlined here.
- the exterior of the filler neck 13 and the interior of the filling volume 15 are cleaned by a rinsing step using the two valves 17, 18 and the gas inlet and outlet.
- the second valve closed and the first valve open it can also be pumped out for cleaning purposes.
- the filler neck 13 is opened by a not shown me ⁇ chanical device (implementation in the filling volume 15) or by IR laser or microwave irradiation on a metal coating at its end to bring a second gas in the interior of the discharge vessel, the was previously introduced via the gas inlet in the Golfvolu ⁇ men 15.
- a gas pressure is provided a ⁇ that leads to opening of the filling nozzle 13 to the ge ⁇ desired discharge gas mixture in the discharge vessel itself.
- the filler neck 13 can be shortened and closed by melting and peeling off with a flame in so-called pump stems in the lamp technology generally known manner and closed when the second filling is meet ⁇ closed. It preferably consists of the same Glass material from the well, the cover glass of Entladungsge ⁇ fäßes there.
- a second filling step can be carried out as an alternative to the vial technique described above with reference to FIG.
- the first filling step of the two variants is the same.
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Manufacture Of Electron Tubes, Discharge Lamp Vessels, Lead-In Wires, And The Like (AREA)
- Vessels And Coating Films For Discharge Lamps (AREA)
Abstract
Description
Claims
Priority Applications (9)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
AT07802456T ATE489721T1 (de) | 2007-08-01 | 2007-08-01 | Herstellungsverfahren für entladungslampen |
EP07802456A EP2171741B1 (de) | 2007-08-01 | 2007-08-01 | Herstellungsverfahren für entladungslampen |
PCT/EP2007/057935 WO2009015694A1 (de) | 2007-08-01 | 2007-08-01 | Herstellungsverfahren für entladungslampen |
KR1020107004697A KR101092096B1 (ko) | 2007-08-01 | 2007-08-01 | 방전 램프들의 제조 방법 |
DE502007005808T DE502007005808D1 (de) | 2007-08-01 | 2007-08-01 | Herstellungsverfahren für entladungslampen |
CN200780100103A CN101765898A (zh) | 2007-08-01 | 2007-08-01 | 放电灯的制造方法 |
US12/452,603 US8123583B2 (en) | 2007-08-01 | 2007-08-01 | Production method for discharge lamps |
JP2010518505A JP5235995B2 (ja) | 2007-08-01 | 2007-08-01 | 放電ランプの製造方法 |
TW097128982A TW200919535A (en) | 2007-08-01 | 2008-07-31 | Manufacturing method for discharge lamps |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PCT/EP2007/057935 WO2009015694A1 (de) | 2007-08-01 | 2007-08-01 | Herstellungsverfahren für entladungslampen |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2009015694A1 true WO2009015694A1 (de) | 2009-02-05 |
Family
ID=38670561
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/EP2007/057935 WO2009015694A1 (de) | 2007-08-01 | 2007-08-01 | Herstellungsverfahren für entladungslampen |
Country Status (9)
Country | Link |
---|---|
US (1) | US8123583B2 (de) |
EP (1) | EP2171741B1 (de) |
JP (1) | JP5235995B2 (de) |
KR (1) | KR101092096B1 (de) |
CN (1) | CN101765898A (de) |
AT (1) | ATE489721T1 (de) |
DE (1) | DE502007005808D1 (de) |
TW (1) | TW200919535A (de) |
WO (1) | WO2009015694A1 (de) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2015222272A (ja) * | 2011-02-16 | 2015-12-10 | セイコーエプソン株式会社 | ガスセルの製造方法、ガスセル、磁気測定装置の製造方法、および磁気測定装置 |
JP5821439B2 (ja) | 2011-02-16 | 2015-11-24 | セイコーエプソン株式会社 | ガスセルの製造方法 |
US9330876B2 (en) * | 2013-11-06 | 2016-05-03 | General Electric Company | Systems and methods for regulating pressure of a filled-in gas |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5114372A (en) * | 1990-06-12 | 1992-05-19 | Vector Related Physics (Consultants) Ltd. | Method of producing a gas discharge light source |
JPH09199033A (ja) * | 1996-01-12 | 1997-07-31 | Ushio Inc | 誘電体バリア放電ランプの製造方法 |
DE10147727A1 (de) * | 2001-09-27 | 2003-04-10 | Patent Treuhand Ges Fuer Elektrische Gluehlampen Mbh | Herstellungsverfahren für Entladungslampe |
Family Cites Families (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS60185357A (ja) * | 1984-03-05 | 1985-09-20 | スタンレー電気株式会社 | ビード封止ガス入り電球の製造装置 |
JPH0438650U (de) * | 1990-07-27 | 1992-03-31 | ||
JPH08236025A (ja) * | 1995-02-28 | 1996-09-13 | Oki Electric Ind Co Ltd | ガス充填方法、ガス充填構造およびガス放電表示パネルの製造方法 |
JPH11238469A (ja) * | 1998-02-24 | 1999-08-31 | Dainippon Printing Co Ltd | プラズマディスプレイパネル、その製造方法、およびガスカプセル |
DE19817478B4 (de) * | 1998-04-20 | 2004-03-18 | Patent-Treuhand-Gesellschaft für elektrische Glühlampen mbH | Flache Entladungslampe und Verfahren zu ihrer Herstellung |
JP2002517893A (ja) * | 1998-06-05 | 2002-06-18 | コーニンクレッカ フィリップス エレクトロニクス エヌ ヴィ | ディスプレイデバイス |
JP2001291471A (ja) * | 2000-04-10 | 2001-10-19 | Matsushita Electric Ind Co Ltd | プラズマディスプレイパネルの製造方法および製造装置 |
JP2001297700A (ja) * | 2000-04-12 | 2001-10-26 | Matsushita Electric Ind Co Ltd | プラズマディスプレイパネルの製造方法およびその製造装置 |
DE10225612A1 (de) | 2002-06-07 | 2003-12-18 | Patent Treuhand Ges Fuer Elektrische Gluehlampen Mbh | Herstellungsverfahren für Entladungslampe |
JP4631550B2 (ja) * | 2005-06-02 | 2011-02-16 | パナソニック株式会社 | プラズマディスプレイパネル、保護膜およびプラズマディスプレイパネルの検査方法 |
-
2007
- 2007-08-01 AT AT07802456T patent/ATE489721T1/de active
- 2007-08-01 KR KR1020107004697A patent/KR101092096B1/ko not_active IP Right Cessation
- 2007-08-01 DE DE502007005808T patent/DE502007005808D1/de active Active
- 2007-08-01 WO PCT/EP2007/057935 patent/WO2009015694A1/de active Application Filing
- 2007-08-01 EP EP07802456A patent/EP2171741B1/de not_active Not-in-force
- 2007-08-01 CN CN200780100103A patent/CN101765898A/zh active Pending
- 2007-08-01 US US12/452,603 patent/US8123583B2/en not_active Expired - Fee Related
- 2007-08-01 JP JP2010518505A patent/JP5235995B2/ja not_active Expired - Fee Related
-
2008
- 2008-07-31 TW TW097128982A patent/TW200919535A/zh unknown
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5114372A (en) * | 1990-06-12 | 1992-05-19 | Vector Related Physics (Consultants) Ltd. | Method of producing a gas discharge light source |
JPH09199033A (ja) * | 1996-01-12 | 1997-07-31 | Ushio Inc | 誘電体バリア放電ランプの製造方法 |
DE10147727A1 (de) * | 2001-09-27 | 2003-04-10 | Patent Treuhand Ges Fuer Elektrische Gluehlampen Mbh | Herstellungsverfahren für Entladungslampe |
Also Published As
Publication number | Publication date |
---|---|
TW200919535A (en) | 2009-05-01 |
ATE489721T1 (de) | 2010-12-15 |
KR101092096B1 (ko) | 2011-12-12 |
US20100159780A1 (en) | 2010-06-24 |
CN101765898A (zh) | 2010-06-30 |
EP2171741A1 (de) | 2010-04-07 |
JP5235995B2 (ja) | 2013-07-10 |
JP2010534918A (ja) | 2010-11-11 |
KR20100040950A (ko) | 2010-04-21 |
DE502007005808D1 (de) | 2011-01-05 |
EP2171741B1 (de) | 2010-11-24 |
US8123583B2 (en) | 2012-02-28 |
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