EP2593955A2 - Tube de pompage pour une lampe à décharge, procédé de fabrication d'un tube de pompage pour une lampe à décharge et procédé de remplissage d'une lampe à décharge avec un gaz - Google Patents

Tube de pompage pour une lampe à décharge, procédé de fabrication d'un tube de pompage pour une lampe à décharge et procédé de remplissage d'une lampe à décharge avec un gaz

Info

Publication number
EP2593955A2
EP2593955A2 EP11732436.8A EP11732436A EP2593955A2 EP 2593955 A2 EP2593955 A2 EP 2593955A2 EP 11732436 A EP11732436 A EP 11732436A EP 2593955 A2 EP2593955 A2 EP 2593955A2
Authority
EP
European Patent Office
Prior art keywords
filling
lamp
gas
pump tube
receiving area
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.)
Withdrawn
Application number
EP11732436.8A
Other languages
German (de)
English (en)
Inventor
Richard Scheicher
Andreas Lovich
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Osram GmbH
Original Assignee
Osram GmbH
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Osram GmbH filed Critical Osram GmbH
Publication of EP2593955A2 publication Critical patent/EP2593955A2/fr
Withdrawn legal-status Critical Current

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
    • H01J9/38—Exhausting, degassing, filling, or cleaning vessels
    • H01J9/395—Filling vessels
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J61/00—Gas-discharge or vapour-discharge lamps
    • H01J61/02—Details
    • H01J61/12—Selection of substances for gas fillings; Specified operating pressure or temperature
    • H01J61/18—Selection of substances for gas fillings; Specified operating pressure or temperature having a metallic vapour as the principal constituent
    • H01J61/20—Selection of substances for gas fillings; Specified operating pressure or temperature having a metallic vapour as the principal constituent mercury vapour
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J61/00—Gas-discharge or vapour-discharge lamps
    • H01J61/02—Details
    • H01J61/24—Means for obtaining or maintaining the desired pressure within the vessel
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J7/00—Details not provided for in the preceding groups and common to two or more basic types of discharge tubes or lamps
    • H01J7/14—Means for obtaining or maintaining the desired pressure within the vessel
    • H01J7/22—Tubulations therefor, e.g. for exhausting; Closures therefor

Definitions

  • the invention relates to a pump tube for a
  • a conventional gas discharge lamp for example, a conventional fluorescent lamp, is often based on mercury as a light generator as part of the gas filling of
  • a fluorescent lamp to reduce.
  • open-loaded mercury systems are widely used, such as the Hg-Fe pill.
  • Disadvantage of these systems and the associated production method is the relatively large dispersion of the amount of mercury in the gas discharge lamp.
  • Encapsulated methods offer, with sufficiently accurate dosing, a much lower dispersion of the amount of mercury in the gas discharge lamp.
  • the absolute amount of mercury in the gas discharge lamp can be reduced.
  • the handling of mercury in hermetically sealed (otherwise airtight) capsules also ensures a separation of mercury dosing and lamp manufacturing and thus a substantially mercury-free lamp manufacturing.
  • a capsule made of special glass is in accordance with EP 0 772 219 AI in the pump stalk (hereinafter also referred to as Pumprohr) in
  • the capsule is opened by laser and thermally heated so that the mercury is driven from the capsule into the fluorescent lamp. Subsequently, the pump stalk is briefly melted off and the fluorescent lamp is completed.
  • Various embodiments provide a simplified and inexpensive filling of a gas discharge lamp with a gas filling, the more accurate metering
  • a pumping tube (also referred to as a pumping stem) for a gas discharge lamp, the pumping tube having a pumping hole; a first portion of the pump tube on one side of the Pumping hole having an inlet for filling a gas; a second portion of the pump tube on a relative to the
  • a lamp envelope fill receiving portion configured to receive at least a portion of a gas charge for the gas discharge lamp and retain the at least a portion of the gas charge until after insertion of the blowpipe into a lamp envelope of the gas discharge lamp, the lamp envelope fill receiving portion in the second portion the pump tube is arranged.
  • the lamp envelope filling receiving area is positioned with respect to the pumping hole on the side which extends farther into the lamp bulb interior than the first area of the pumping tube accessible from the outside of the bulb bulb, which is externally connected to evacuate the bulb tube
  • Lamp bulb and possibly also for supplying a portion of the filling gas of external lamps. However, it may also be the entire gas filling in the lamp envelope filling receiving area
  • a noble gas is introduced into the lamp envelope is "contaminated" with mercury, which also contributes to a highly accurate dosage of the absolute amount of mercury and a reduction in the dispersion of the amount of mercury. Also, so can the use of mercury in the Production is better controlled and a burden on
  • the lamp envelope filling receiving area may be formed as a chamber in the pump tube.
  • Perspective of the pump hole from can be formed, after introducing the at least a portion of the gas filling on the pump hole opposite side (for example
  • the lamp envelope filling receiving area may be formed in the outer wall of the pump tube.
  • the outer wall of the pump tube in the second region of a depression may be introduced (or the wall of the pump tube may be bent accordingly), which forms the lamp envelope filling-receiving area.
  • This embodiment also achieves a very simple and thus cost-effective production, since no additional separate parts are needed to form the lamp envelope filling receiving area. It is illustratively the standard pump tube simply formed with a slightly larger length, so that in addition to the pump hole still a Pumprohr extension is formed, which clearly serves to form the depression.
  • the lamp vessel filling receiving area can be set up to receive at least part of the gas filling in solid form, for example in the form of pills,
  • Mercury-containing pills for example, for receiving one or more mercury-iron pills.
  • Such mercury iron pills contain mercury, which in
  • the lamp envelope filling receiving area can be set up to receive at least part of the gas filling in liquid form, for example in the form of liquid mercury. Both upon introduction of a part of the gas filling in solid form and in liquid form, the lamp envelope filling receiving area can be set up to receive a further part of the gas filling in gaseous form.
  • the further part may be, for example, one or more inert gas.
  • the lamp envelope filling receiving area can be set up to receive at least part of the gas filling in gaseous form.
  • the entire gas filling for example a noble gas or a plurality of noble gases and mercury, in the
  • Lamp bulb charge receiving area to be added.
  • the lamp envelope When the entire gas filling in the lamp envelope filling receiving area is taken up, the lamp envelope can be completely evacuated and then closed, without having to provide additional filling steps via the pump tube.
  • the Lamp bulb filling receiving area with a lid for example, be covered in the form of a film, such as a metallic foil and gas-tight sealed or sealed, for example, welded.
  • the film can be very thin or locally thinned or structured (clearly provided with predetermined breaking points).
  • the Lampenkolben spallung- receiving area can also be fused, then the material of the pump tube can serve to close.
  • the embodiments are advantageously used, since it is avoided by the various embodiments, that the first portion of the pump tube comes into contact with the mercury at all. This enables a highly accurate metering of the required mercury, generally the part of the gas filling, for example of the light-generating material. Also, the dispersion of the amount of mercury is further reduced.
  • the pump tube has a plurality of power supply lines for electrodes.
  • the pump tube further comprises a coupled between two power supply lines as an electrode
  • the pump tube further comprises a plugged onto the pump tube gas discharge lamp plate, which together with the power supply lines and the helix, a pedestal is formed.
  • the lamp bulb filling receiving area can lie between the pump hole and the electrode, whereby the access to the pump hole remains free.
  • Such a pedestal can be prepared separately from the completion of the gas discharge lamp and the lamp envelope filling receiving area to be filled. This allows a better control of the dosage of the part of the gas filling, For example, the mercury dosage, and reduces potential risks.
  • the exhaust tube can be made of glass, for example, REED glass 8516 from Schott Glas, thus providing a simple way of using, for example, a Nd-Yag laser, that the laser light is substantially completely unattenuated by the material of the lamp envelope and strongly absorbed by the REED glass, whereby the irradiated area of the REED glass can be locally heated strongly and thus the lamp envelope filling receiving area, when it is closed by means of the REED glass, can be opened in a simple manner.
  • the pump tube can be used in a gas discharge lamp, for example a fluorescent lamp.
  • a pumping hole such that a first portion of the pumping tube is formed on one side of the pumping hole with an inlet for introducing a gas, and that a second portion of the pumping tube is disposed on a relative to the inlet
  • Pump hole is formed opposite side of the pump tube; and forming a lamp envelope fill receiving area on or in the second region of the
  • the lamp envelope filling receiving area is arranged for receiving at least a portion of a gas filling for the gas discharge lamp and for holding the at least a portion of the gas filling until after the insertion of the pump tube into a lamp envelope of the gas discharge lamp.
  • the method may include inserting a pump tube into a lamp envelope, wherein the Pump tube has: a pump hole; a first portion of the pump tube on one side of the pumping hole having an inlet for evacuating the lamp and for charging a gas; a second portion of the pump tube on a relative to the
  • a lamp envelope fill receiving portion configured to receive at least a portion of a gas charge for the gas discharge lamp and to hold the at least a portion of the gas charge until after insertion of the pump tube into a lamp envelope of the gas discharge lamp
  • Lamp bulb filling receiving area is arranged in the second region of the pump tube.
  • the method may further comprise evacuating the lamp envelope by means of
  • Exhaust tube a closing of the pump tube; and opening the lamp envelope fill receiving area in the lamp envelope so that the portion of the gas filling in the lamp envelope
  • Gas filling in the lamp bulb allows without the first portion of the pump tube comes into contact with the part of the gas filling.
  • Lamp bulb filling receiving area in the lamp bulb after closing the pump tube done In this way, the part of the gas filling after the evacuation of the
  • Lamp bulb filling receptacle is held
  • the method may further comprise forming a
  • Pedestal which has the pump tube.
  • the formation of the pedestal can also be done in advance, separate from the filling of the gas discharge lamp.
  • dosing of the part of the gas filling into the lamp vessel filling receiving area can be carried out separately from the completion of the gas discharge lamp, in particular in areas correspondingly equipped for handling mercury.
  • Bulb bulb filling receiving area in the lamp bulb done by means of an induction method or by means of one or more lasers. In this way one becomes
  • the method may further comprise filling the
  • Lamp bulb filling receiving area with the at least part of the gas filling for the gas discharge lamp may include cleaning a part of the pump tube in which the lamp envelope filling receiving area is formed.
  • the cleaning of the part of the pump tube may be performed using an atmospheric plasma.
  • the filling may include rinsing the cleaned part of the
  • Gas filling in solid form or in liquid form the filling can be carried out under inert gas and in particular inert gas atmosphere and the inert gas possibly remain in the lamp envelope filling receiving area and form part of the gas filling.
  • the filling may comprise metering the part of the
  • the filling may comprise a sealing of the
  • Lamp envelope filling area for example with a foil, for example with a metallic foil, or by fusing the lamp envelope fill receiving area.
  • the filling may include introducing a filled with the part of the gas filling capsule in the
  • Lamp envelope filling receiving area This capsule can be closed in a gas-tight manner and fixed in the lamp bulb filling receiving area. This is then not necessarily gas-tight to close.
  • FIG. 1 shows a pump tube according to an embodiment
  • Lamp bulb filling receiving area according to a
  • Lamp bulb filling receiving area with mounted coil according to an embodiment
  • FIG. 4 shows a flowchart in which a method for filling the lamp vessel charge receiving area according to an exemplary embodiment is shown;
  • FIG. 5 shows a section of a gas discharge lamp according to FIG. 4
  • FIG. 6 shows a detail of a gas discharge lamp according to a
  • FIG. 7 a detail of a gas discharge lamp according to FIG.
  • Embodiment; and 8 shows a detail of a gas discharge lamp according to an embodiment.
  • Fig.l shows a pump tube arrangement 100 according to a
  • the pump tube assembly 100 becomes a pedestal
  • Examples of a gas discharge lamp include:
  • Low-pressure gas discharge lamp low-pressure plasma gas discharge lamp, glow discharge gas discharge lamp, for example fluorescent tube, fluorescent lamp,
  • Neon tube for example, mercury-vapor lamps or metal vapor low-pressure lamps
  • Gas discharge lamp is operated at a pressure of up to about 1 MPa; for example, mercury vapor lamp,
  • Gas discharge lamp is operated at a pressure of up to about 10 MPa, for example, high-pressure mercury vapor lamp in the photolithography, Xenon short-arc lamp for Pro elements extracten).
  • the pump tube arrangement 100 has various aspects
  • Embodiments a pumping tube (also referred to as pumping stems) 102 on.
  • the pump tube 102 has a first region 104 with a first end region 106 and a second end region 108.
  • the first end portion 106 may protrude from a lamp envelope of the gas discharge lamp when the pump tube 102 is installed in the lamp envelope of the gas discharge lamp.
  • the second end region 108 is connected to a pumping hole 110, so that a gas flow through the pumping hole 110 and the first region 104 is made possible, for example for evacuating the
  • Lamp flask or for introducing a part of the gas filling also referred to as filling gas
  • a part of the gas filling also referred to as filling gas
  • noble gas for example, xenon, krypton or neon
  • Region 112 has a length in the range of about 1 mm to about 15 mm, for example in a range of about 2 mm to about 8 mm, for example in a range of about 4 mm to about 6 mm.
  • the pumping hole 110 forms in a conventional exhaust tube vividly its conclusion, whereas in various embodiments on the first portion 104th
  • second region 112 which illustratively forms a pump tube extension 112.
  • the second region 112 is closed towards the pumping hole 110, for example, closed in a gas-tight manner.
  • a first end portion 114 of the second region 112 is mechanically connected to the pumping hole 110, for example, no gas flow from the second region 112 is through the first one thereof
  • Region 112 has a length in the range of about 1 mm to about 15 mm, for example in a range of about 2 mm to about 10 mm, for example in a range of about 3 mm to about 8 mm.
  • a second end portion 116 of the second portion 112 which is opposite to the first end portion 114, still open, so that in Fig.l the second area illustratively a one-sided
  • the part of the gas filling in the form of a capsule i.e., clearly in solid form
  • in liquid form or in gaseous form can be introduced into the hollow cylinder, which subsequently
  • the second area 112 thus illustratively forms an implementation of a
  • the capsule can
  • manufactured pump tube arrangement 100 has several (for example two) in various embodiments
  • illustrated central support may be provided, which carries a cap band, also not shown in Fig.l.
  • a cap band also not shown in Fig.l.
  • the pumping tube arrangement 100 has a lamp plate 122 inserted over the pumping tube 102 and fused thereto (for example in the connection region between the pumping hole 110 and the second region 112).
  • the blowpipe 102 may be made of glass, for example, REED glass 8516 (available from Schott Glas, for example), which has an increased iron content of about two to four percent by weight.
  • REED glass 8516 available from Schott Glas, for example
  • the pump tube 102 may be made of quartz glass or alumina ceramic.
  • FIG. 2 shows the pump tube arrangement 100 according to FIG. 1, wherein the introduction of the part of the gas filling into the second area 112 is shown as an implementation of the lamp envelope filling receiving area.
  • the part of the gas filling 124 for example by means of a capsule 126, is inserted into the cavity 128 of the second region 112.
  • the part of the gas filling 124 in liquid form or in
  • the part of the gas filling 124 may, for example, as
  • the part of the gas filling 124 is formed by this.
  • the part of the gas filling 124 is formed by this.
  • Has mercury for example, in pure form (solid, liquid or gaseous) or in a mixture, compound or alloy with other suitable substances.
  • Gas filling 124 a mercury alloy for example
  • the portion of the gas fill 124 may be a mercury-iron pill.
  • FIG 3 shows the pump tube 102 filled with gas filling 124 in the lamp envelope filling receiving area 128 with mounted lamp coil 302 according to an embodiment which illustratively forms a pedestal 300.
  • the second end region 116 of the second region 112 is closed, for example sealed gas-tight, for example by means of local
  • the material of the pump tube 102 when locally melting the material of the pump tube 102 in the second end region 116 of the second region 112, the material of the pump tube 102 may be melted in the second end region 116 of the second region 112
  • Lamp bulb filling receiving area 128 to be cooled.
  • the opening of the second end region 116 of the second region 112 can also be closed by means of a cover, for example by means of a foil, for example by means of a metallic foil, which is placed on the opening and then welded to the material of the pump tube 102, for example by means of ultrasound -Welding.
  • the lamp filament 302 is between the two
  • Power supply 118, 120 (for example by means of a
  • Pedestal 300 formed.
  • FIG. 1 shows a flow diagram 400, in which a method for filling the lamp vessel charge receiving area with the part of the gas filling 124, which is in gaseous form or in liquid form, according to one exemplary embodiment is shown.
  • a pipe section located above the pumping hole 110 ie, with respect to the pumping hole 110 on the opposite side of the first area Page), for example, the second area 112, cleaned, for example by means of an atmospheric plasma.
  • the cleaned pipe section is then purged in 404,
  • the amount of light material required for example, the amount of mercury in the
  • Lamp bulb filling receiving area of the second portion 112 filled, for example, in the cavity 128 or in the recess, not shown, in the outer wall of the second region 112.
  • Gas filling quantity for example, the required
  • Quantity of light-emitting material for example the required one
  • Amount of mercury in the lamp envelope filling receiving portion of the second portion 112 dosed for example by means of an Ink et-system in liquid form.
  • the part of the gas filling 126 to be introduced when the part of the gas filling 126 to be introduced is introduced in a solid form (for example, in a closed capsule), the part of the gas filling 126 may be introduced into the lamp vessel filling receiving area of the second area 112 and fixed there, if desired become.
  • the lamp envelope filling receiving area is closed, for example gas-tight.
  • the lamp envelope filling receiving area is closed in such a way that the part of the gas filling introduced into it can not escape or essentially can not escape from the lamp envelope filling receiving area.
  • the closing can be done, for example, by the corresponding pipe section is sealed,
  • Cavity 128 or the recess are sealed with a film, for example with a metallic foil
  • the metallic foil may be, for example, a nickel-containing foil or an iron-containing foil.
  • the metallic foil may have a thickness of at most 100 ⁇ , for example, a maximum thickness of 50 ⁇ , for example, a thickness in a range of about 20 ⁇ to about 50 ⁇ .
  • the sealing of the second end portion 116 of the second portion 112 relative to the normal plane of the longitudinal direction of the pump tube 102 may be formed inclined to facilitate a later opening of the seal, for example by means of a laser.
  • FIG 5 shows a section 500 of a gas discharge lamp according to an embodiment.
  • the pump tube 102 is not completely shown in Figure 5, but only the second portion 112 and the pumping hole 110. It is also the filler 501 shown, in solid form, in liquid form or in gaseous form
  • Lamp bulb filling receiving area is kept closed in the second region 112 of the pump tube 102.
  • Gas discharge lamp such as a fluorescent lamp, a lamp bulb 502, in which the pump tube is inserted. Furthermore, the gas discharge lamp has a
  • a respective power supply 118, 120 of the pedestal 300 is electrically coupled to a respective electrical connection 506, 508.
  • the inner wall of the lamp envelope 502 is coated with a phosphor layer 510, which may contain any suitable phosphor.
  • the lamp bulb fill receiving area 128 sealed in the second area 112 and / or optionally, if necessary, the capsule 126 may be closed by means of a through an opening 516 in the phosphor layer 510 (formed by means of
  • Laser source 514 are locally heated and opened so that the portion of the filling held in the lamp envelope filling area 128,
  • gas filling 124 from the lamp envelope filling receiving area 128 in the closed interior of the
  • Lamp bulb 502 is released.
  • the part of the filling for example, gas filling 124, in the lamp bulb 502, for example, as a light generator and / or the
  • Plasma formation provided.
  • the light beam 514 For example, the laser beam 514, first on the
  • the opening may have a diameter in a range of about 50 ⁇ to about 500 ⁇ , for example in a range of about 200 ⁇ to about 400 ⁇ , for example, a diameter of about 250 ⁇ , as desired and, for example, depending on the focal length of the laser used 512th
  • the light beam 514 After forming the opening 516 in the phosphor layer 510, the light beam 514, in various exemplary embodiments for opening the, for example, closed lamp envelope filling receiving area 128 in the second area 112 and / or, if appropriate, the capsule 126,
  • the laser beam 514 refocused on the part to be heated of the surface of the lamp envelope filling receiving area 128 of the pump tube or the capsule surface.
  • the light beam 514 for example the laser beam 514
  • the opening 516 see FIG.
  • the light beam 514 for example the laser beam 514, passes through the aperture 516, i. vividly by the
  • the lamp vessel charge receiving area 128 in the second area 112 and / or optionally the capsule 126 is locally overheated and opened in this way.
  • the previously metered quantity of the portion of the gas filling 124 held in the lamp envelope filling area 128 or additionally in the capsule 126 is locally overheated and opened in this way.
  • the mercury in the closed lamp, more precisely in the interior of the lamp bulb 510 inside
  • the opening 516 may be concealed in the phosphor layer 510, for example with a type stamp on the outer surface of the lamp bulb 510, whereby the
  • Lamp type of the gas discharge lamp is specified.
  • Pumprohrs 102 be made of REED glass 8516 (for example, available from the company Schott glass), generally of a material which absorbs the incident light 514 stronger than the material of the lamp bulb 502, so that the light beam 514 substantially completely through the wall of the Lamp bulb 502 passes and greatly overheated the desired area of the pump tube 102 to open the bulb envelope receiving area 128. This is the case, for example, when using a Nd-Yag laser as the laser source 512.
  • the lamp envelope fill receiving area 128 in the second area 112 and / or the capsule 126 is not opened optically (eg, by laser), but in any other suitable manner.
  • 7 shows a detail of a gas discharge lamp 700 according to another exemplary embodiment.
  • At least one foil 704 holds open by means of inductive heating of the filling, for example gas filling
  • Embodiments may also be provided only a film 704, which only an existing opening of the
  • Lamp bulb filling receiving area closes.
  • a film is provided, which is partially vividly slipped over the second region 112 and is held by the metallic clamp 702.
  • the second area may have more than two openings to the lamp envelope filling receiving area, and more than two sheets may be provided for closing the openings of the lamp envelope filling receiving area.
  • the inductive heating may be provided, for example, by means of a low-frequency signal (for example, from a signal source 706), thus inducing a current (for example in the film) which causes the heating and
  • the inductive heating can be provided, for example, by means of a high-frequency signal, thus clearly without a required closed circuit
  • electromagnetic waves are used for "temperature transport”.
  • an inductive heating for example, an additionally provided electrically conductive, such as metallic element may be provided, for example, mounted on the pipe section to be melted in the second portion 112 of the pump tube 102, for example, plugged, is, for example in the form of a ground terminal for induction and a thin, tempered wire).
  • the pedestal eg pedestal 300
  • the pump tube eg, cylindrical
  • the required gas filling quantity for example, amount of mercury
  • the cavity can be closed, for example with a thin film, for example using a laser or an ultrasonic welding process.
  • the pump tube for example, the
  • the pedestal can be completed with the lamp filament.
  • the gas discharge lamp can be evacuated and completely closed. Before the gas discharge lamp is ignited for the first time, is for example by means of a
  • the film heated and thereby melted.
  • the gas filling for example, the mercury
  • the mercury also via an opening, for example, the capsule by means of laser exit.
  • a clip-on metallic sleeve which, for example, half-side of a plate and half-side of a wire can be formed, can be heated by inductive heating of that part, and the prestressed wire can melt the glass capsule.
  • no additional items in the gas discharge lamp for introducing the gas filling for example, the
  • Mercury are required. Further, in various embodiments, a hermetically sealed embodiment of the mercury-containing capsule may be provided.
  • FIG. 8 shows a detail of a gas discharge lamp 800 according to yet another embodiment.
  • the second region 112 may be "dimpled" (in other words funnel-shaped crimped) or tapered such that a solid at least partially forming the solid (eg in the form of the capsule 126) is held
  • the solid can be opened, i. not sealed, for example in the form of a pill,
  • Embodiments illustrative means of the dotted or tapered portion of the second region 112th
  • a simple and thus cost-effective manufacturing process for example, a laser welding or ultrasonic welding of a
  • Foil on glass can be provided which a small heat input to, for example, the capsule or to opening portion of the lamp envelope filling receiving area has to largely prevent mercury evaporation during sealing.
  • Lamp bulb filling receiving area can be provided by heating, for example, the film and the amount of mercury by means of induction, laser, etc.
  • a high pressure in the capsule or in the lamp envelope filling receiving area arise which causes, for example, the film breaks and the mercury in the already closed (and optionally pumped and optionally with the other components (for example, noble gas) filled the gas filling)
  • Gas discharge lamp is released.
  • reduced manufacturing costs can be achieved by simple methods and a
  • the filling of the part of the gas filling for example, the mercury
  • the part of the gas filling for example, the mercury
  • Tensioning machine can be integrated.
  • “Glove box environment” can be realized by concentrated inert gas flushing.
  • the opening of the capsule or the lamp envelope filling receiving area can clearly be seen in the already evacuated and

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  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Vessels And Coating Films For Discharge Lamps (AREA)
  • Manufacture Of Electron Tubes, Discharge Lamp Vessels, Lead-In Wires, And The Like (AREA)

Abstract

Tube de pompage (100) pour une lampe à décharge, qui comporte un trou de pompage (110), une première zone (104) du tube de pompage (100) située d'un côté du trou de pompage (110) et pourvue d'un orifice d'entrée pour l'introduction d'un gaz, une seconde zone (112) du tube de pompage (100) située sur un côté opposé du tube de pompage (100), par rapport au trou de pompage (110), et une zone de réception (128) du gaz de remplissage de l'ampoule de lampe conçue pour recevoir au moins une partie d'un gaz de remplissage (124) pour la lampe à décharge et pour retenir la partie de gaz de remplissage jusqu'après l'introduction du tube de pompage (100) dans une ampoule de la lampe à décharge, ladite zone de réception (128) du gaz de remplissage de l'ampoule de lampe étant située dans la seconde zone (112) du tube de pompage (100).
EP11732436.8A 2010-07-15 2011-07-12 Tube de pompage pour une lampe à décharge, procédé de fabrication d'un tube de pompage pour une lampe à décharge et procédé de remplissage d'une lampe à décharge avec un gaz Withdrawn EP2593955A2 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102010031366A DE102010031366A1 (de) 2010-07-15 2010-07-15 Pumprohr für eine Gasentladungslampe, Verfahren zum Herstellen eines Pumprohrs für eine Gasentladungslampe, und Verfahren zum Befüllen einer Gasentladungslampe mit einer Gasfüllung
PCT/EP2011/061865 WO2012007467A2 (fr) 2010-07-15 2011-07-12 Tube de pompage pour une lampe à décharge, procédé de fabrication d'un tube de pompage pour une lampe à décharge et procédé de remplissage d'une lampe à décharge avec un gaz

Publications (1)

Publication Number Publication Date
EP2593955A2 true EP2593955A2 (fr) 2013-05-22

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Family Applications (1)

Application Number Title Priority Date Filing Date
EP11732436.8A Withdrawn EP2593955A2 (fr) 2010-07-15 2011-07-12 Tube de pompage pour une lampe à décharge, procédé de fabrication d'un tube de pompage pour une lampe à décharge et procédé de remplissage d'une lampe à décharge avec un gaz

Country Status (4)

Country Link
EP (1) EP2593955A2 (fr)
CN (1) CN103038853A (fr)
DE (1) DE102010031366A1 (fr)
WO (1) WO2012007467A2 (fr)

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WO2012007467A2 (fr) 2012-01-19
CN103038853A (zh) 2013-04-10
DE102010031366A1 (de) 2012-01-19
WO2012007467A3 (fr) 2012-03-22

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