Abstract: A light emitting device achieving a high heat dissipation effect and a high light utilization efficiency includes an aluminum substrate, a high heat dissipation ceramic layer on the aluminum substrate, an etching frame on the high heat dissipation ceramic layer, and a highly reflective ceramic layer on the high heat dissipation ceramic layer and the etching frame.

Abstract: A light bulb assembly includes a bulb housing that is configured to be mounted to a base that includes an electrically conductive shell configured to be connected to a light bulb socket. The shell defines a negative terminal of the light bulb assembly. A light bulb is held by the bulb housing and includes a printed circuit board (PCB). The assembly includes an electrical connector having a connector housing, a negative contact, and a positive terminal of the light bulb assembly. The electrical connector is mounted to the PCB such that the positive terminal and the negative contact are electrically connected to the PCB. The negative contact is configured to mate with the shell of the base. The positive terminal is configured to be exposed for mating with a corresponding terminal of the light bulb socket when the bulb housing is mounted to the base.

Abstract: A light bulb with dual connector comprising a connector assembly for lamps/bulbs rotatably connected to the lamp body to provide alternative connective means for engaging different types of lamp sockets. The connector is integrally assembled with respect to the lamp such that the electrical connection necessary to illuminate the lamp is operative at all times. The connector is defined by an elongated body having a spiral/screw-threaded connector (spiral installation head) at one end and a pin-type (pressed installation head) at its opposite. Dependent upon the type of socket/holder available (screw threaded or pin type), the head most suited for a particular holder can be rotated to an operative position to facilitate installation of the inventive lamp-connector combination into the socket/holder.

Abstract: A lamp holder (61) for a gas discharge lamp (5), having at least two receptacles (B1, B2) for at least two pins (P1, P2) of a gas discharge lamp (5), wherein at least one shielding conductor (S1a, S1b, S2a, S2b) is disposed in the vicinity of each receptacle (B1, B2).

Abstract: An apparatus (10) for radiant energy transfer has at least one radiant energy transfer panel (20) having a light-energy transfer surface (21) and a back surface (23). The back surface has a panel electrode (42) for an electrical connection with the at least one radiant energy transfer panel. The panel electrode is conductively coupled to a first member of a separable flexible conductive fastener. A second member of the separable flexible conductive fastener has a power connection electrode. The power connection electrode is conductively coupled to a power device (12). Mechanically engaging the first and second members of the separable flexible conductive fastener connects the panel electrode on the at least one radiant energy transfer panel to the power connection electrode.

Abstract: An infrared emitter has at least one emitter tube (11) having pinched sections at each of its ends. At least one opaque tube portion (12) is arranged in a manner welded in alignment with the at least one emitter tube. The infrared emitter may be installed in a processing chamber (21).

Abstract: According to one embodiment, a light-emitting device includes a substrate including power-supply conductors, a frame member, and a sealing member. The power-supply conductors are formed on the substrate. A plurality of light-emitting elements including electrodes are mounted on the substrate. The electrodes of the light-emitting elements adjacent to the power-supply conductors are electrically connected to the power-supply conductors by a plurality of bonding wires. The frame member is made of resin which is coated on the substrate so as to surround the light-emitting elements and the bonding wires. The sealing member is filled in an area surrounded by the frame member and seals the light-emitting elements and the bonding wires.

Abstract: A discharge lamp includes an airtight tube including a light-emitting unit in which a space is formed and seal portions formed at least on one end of the light-emitting unit, a discharge medium including a metal halide and a rare gas sealed in the light-emitting unit, a metal foil sealed into the seal portion, and a pair of electrodes one ends of which are overlapped and connected to the metal foil and the other ends of which are provided such that they are led into the space of the light-emitting unit and arranged in opposition to each other. A concavity is formed on at least a portion of the back surface side of the metal foil on which the electrode is overlapped, and a compression distortion is formed on the seal portion in the vicinity of the concavity.

Abstract: A lamp (10) has a light source (12) with a distal portion (14) and a proximal portion (16), the proximal portion (16) comprising a press seal (17) having a given cross-section. A lamp envelope (18) receives the light source (12), the envelope (18) being arrayed about a longitudinal axis (20) and having a base (22) generally orthogonal to the longitudinal axis (20). A clip-receiving aperture (24) is formed in the base (22), and at least one clip locator surface (26, 52, 54) is formed in the base (22) adjacent the clip-receiving aperture (24). A clip (28) is positioned in the clip-receiving aperture (24), the clip having a passage (29) shaped and formed to receive the press seal (17) of the light source (12) therein. The clip (28) has at least one first retainer (32) and at least one second retainer (33), the at least one first retainer (32) being shaped and formed to engage the at least one clip locator surface (26, 52, 54), whereby the clip (28) is located within the clip-receiving aperture (24).

Abstract: The present invention relates to a lamp assembly comprising a lamp (10) having a lamp vessel (101) with a longitudinal axis (CC). The lamp assembly comprises a support member (11) comprising a bottom surface (111) extending substantially along the longitudinal axis. Between the bottom surface and the lamp vessel, a reflective member (12) is supported by the support member and has a surface comprising a material with a melting temperature higher than 600° C.

Abstract: An arc tube for a discharge bulb includes: an electrode assembly that has an electrode bar and a molybdenum foil, wherein an overlapping portion of an end portion of the electrode bar and a molybdenum foil is joined by spot welding; a pinch seal portion that seals a part of the electrode assembly, the part including at least the molybdenum foil; and a closed glass bulb, into which a tip of the electrode bar protrudes, the closed glass bulb forming a discharge light-emitting portion, wherein the size of a recess, which is a weld mark, in the molybdenum foil on the side opposite to a joint portion, at which the molybdenum foil and the electrode bar are joined with each other, is within a range from 0.07 mm2 to 0.25 mm2.

Abstract: A method is provided for producing an infrared emitter made of an endless quartz glass body, wherein a reflector layer is deposited at least partially on the surface of the body made of quartz glass. The quartz body is divided into individual sections after application of the reflector layer. An infrared emitter is also provided.

Abstract: A discharge lamp such as a shrouded metal halide lamp is designed to reduce the potential for arcing under hot restart or restrike voltages. A stepped conformation of the pinch seal region limits arcing within the shroud while different dimensions of stems in the base increase the distance between outer lead wires in the base to prevent arcing externally of the shroud.

Abstract: To provide a high pressure discharge lamp in which no fusing of the metal foil occurs even if the high pressure discharge lamp is switched on for a certain time a high pressure discharge lamp is provided having a discharge vessel comprised of a light emission part and sealing parts made of glass connected to opposite ends of said light emission part; metal foils buried in a respective one of said sealing parts; a pair of electrodes comprised of core rods and tip end parts, said tip end parts being arranged oppositely to each other in the light emission part; and said core rods being melted and fused together with a respective one of the metals foils; wherein cavities are formed which reach from a surface of a respective one of the metal foils to an interior of the core rod, and the glass constituting said sealing part has entered into said cavities.

Abstract: A lamp with an outer bulb in which a base (30) includes a base main body (32) having a contact terminal (31) electrically connected with a receptacle and an attaching member (33) fitted to the base main body (32) in a state of retaining the lamp main body (10) and an outer bulb (20), the attaching member (33) has an insertion hole (34) formed therethrough for inserting and retaining a pinch seal (14), and a flange (36) for abutment with the opening end (21) of the outer bulb formed at the outer peripheral surface (35) thereof, and a joint portion (40) is formed for engaging the outer peripheral surface of the attaching member (33) and the inner peripheral surface (23) of the outer bulb (21).

Abstract: Disclosed is a lamp, particularly a halogen incandescent lamp, comprising a bulb that is provided with a pinch seal which is inserted into a base by means of an attachment ring. The attachment ring has a receiving section within which the pinch seal is clampingly fastened by means of attachment ring brackets that are supported on support surfaces. According to the invention, the support surfaces are placed at an angle from the longitudinal axis of the lamp.

Abstract: The electric lamp comprises a discharge vessel (1) which has pinched seals (4) of H-shaped cross-section. A pair of metal mounting members (10) are clicked on each pinched seal (4) to allow the lamp to be mounted in a tubular quartz glass sleeve. The lamp may be used to sterilize a liquid which is made to flow past the glass sleeve. The lamp can be easily mounted into and removed from the glass sleeve.

Abstract: An LED lamp includes an enclosure, a base connected to a bottom of the enclosure, a cover connected to a top of the enclosure, an LED module received in the enclosure, a cap connected to a base, and a bracket fixed on the enclosure and pressing the cover on the enclosure. A first gasket is sandwiched between the bottom of the enclosure and the base, and a second gasket is sandwiched between the top of the enclosure and the cover. A driving module is received in the enclosure and isolated from the LED module by an interlayer formed in the enclosure.

Abstract: According to one embodiment, a light-emitting device includes a substrate including power-supply conductors, a frame member, and a sealing member. The power-supply conductors are formed on the substrate. A plurality of light-emitting elements including electrodes are mounted on the substrate. The electrodes of the light-emitting elements adjacent to the power-supply conductors are electrically connected to the power-supply conductors by a plurality of bonding wires. The frame member is made of resin which is coated on the substrate so as to surround the light-emitting elements and the bonding wires. The sealing member is filled in an area surrounded by the frame member and seals the light-emitting elements and the bonding wires.

Abstract: The invention relates to a light unit, comprising a concave reflector (7) with an outlet opening and an axis, whereby the reflector encloses a light source running in the direction of the axis. The light source is enclosed at a separation from an open-ended cylindrical protective tube (16), with a glare shield (19), provided at the open end of the protective tube. The glare shield (19) is a sheet, cupped over the burst-protection tube, whereby the glare shield comprises a semi-circular end piece with a given maximum diameter, on which a straight cylindrical section of greater diameter is mounted which itself is further provided with an offset screen (21).

Abstract: A lamp may be formed with radial arm electrical contacts from a ceramic body insulating body supporting a lamp capsule. A press sealed tubular lamp is held in an end of the ceramic body. The radial arms extend sideways from the ceramic body and support electrical contacts, that may be brought into electrical contact in an insert and twist type socket.

Abstract: An improved seal for an electric lamp is provided. An oxidation-resistant coating is provided on the current conductor where the outer lead joins the seal foil, preferably at the pinch seal. The coating is preferably a chromium layer covered by a chromium layer or a silver layer covered by a layer of hydrogenated silicon oxy carbon polymer. The coating is preferably applied via sputtering where the coating is subject to high energy electron or ion bombardment during sputtering. Preferably the coating is applied via sputtering at increased deposition pressure.

Abstract: The invention relates to a lamp (8), in particular a vehicle lamp, having a base (17), a burner (7) having a light-generating element (11, 12), and an adapter plate (1) having a connecting region (2) and a receiving portion (3), the connecting region (2) being connected to the base (17) and the receiving portion (3) to the burner (7). The adapter plate (1) has cutouts (4) between the connecting region (2) and the receiving portion (3) such that the connection region (2) is no longer rigid but has a certain flexibility.

Abstract: The invention relates to an assembly of a capped high-pressure discharge lamp (1) and a lamp holder (50). The discharge lamp comprises an outer envelope (10) in which a discharge vessel (11) is arranged. The outer envelope has a pinched portion (20) provided with a clamping member (25). A lamp cap comprises a substantially circular-cylindrical cup shaped portion for receiving the clamping member and is provided with a protruding collar (36). The lamp holder (50) comprises a substantially circular-cylindrical flange (55) for receiving the cup-shaped portion such that the flange engages the protruding collar. An inner diameter of the flange (55) has a tolerance of less than or equal to ?0.2 mm. An outer diameter of the cup-shaped portion (33) has a tolerance of less than or equal to +0.2 mm. The respective tolerances extend over a length of at least 2.5 mm, measured with respect to the protruding collar.

Abstract: The invention proposes a lamp (1), in particular a halogen incandescent lamp for system voltage, having a luminous element (8), which is retained by pinches (10a, 10b) which are in the form of funnel-shaped turned-in sections in the end face (3) of the lamp vessel (2), the pinches (10a, 10b) being oriented essentially axially with respect to the longitudinal axis of the lamp (1).

Abstract: A hermetically sealed lamp having at least one seal-material-free bond. The seal material-free bond may be a material diffusion bond, a mechanically deformed bond such as a cold weld or crimp, a focused heat bond such as a laser bond, or any other such bond. For example, the hermetically sealed lamp may have one or more endcaps diffusion bonded to an arc envelope, such as a ceramic tube or bulb. The hermetically sealed lamp also may have one or more tubular structures, such as dosing tubes, which are mechanically closed via cold welding or crimping. Localized heating, such as the heat provided by an intense laser, also may be used to enhance any of the foregoing bonds.

Abstract: The electric lamp comprises a discharge vessel (1) which has pinched seals (4) of H-shaped cross-section. A pair of metal mounting members (10) are clicked on each pinched seal (4) to allow the lamp to be mounted in a tubular quartz glass sleeve. The lamp may be used to sterilize a liquid which is made to flow past the glass sleeve. The lamp can be easily mounted into and removed from the glass sleeve.

Abstract: An objective is to provide a compact self-ballasted fluorescent lamp which can reduce occurrence of a short circuit without protecting lead wires extending from each end portion of a spiral arc tube. To achieve the objective, a pair of connection pins is provided on a circuit board of the compact self-ballasted fluorescent lamp, near a periphery of the circuit board so as to oppose another pair of connection pins formed near the periphery. In this way, the pairs of connection pins can be respectively provided directly above the end portions of the spiral arc tube. Thus, lead wires extending from each of the end portions can be connected to a corresponding one of the pairs of connection pins with a relatively short distance. This prevents the lead wires from being in contact with the circuit board, thereby reducing occurrence of a short circuit.

Abstract: A halogen incandescent lamp has a transparent sealed bulb, a gas filling comprising an inert gas and a halogen additive, a luminous element which is attached to a current supply system extending in a pinched portion of the bulb, and a mount extending from at least adjacent the outside of the pinched portion into the bulb and comprising at least one metal support wire which retains the luminous element in the vicinity of the end of the bulb remote from the pinched portion. The mount has a non-conducting part such that the outer end of the part of the mount at or near the outside of the pinched portion and the support wire are electrically insulated from each other.

Abstract: The invention relates to an assembly of a capped high-pressure discharge lamp (1) and a lamp holder (50). The discharge lamp comprises an outer envelope (10) in which a discharge vessel (11) is arranged. The outer envelope has a pinched portion (20) provided with a clamping member (25). A lamp cap comprises a substantially circular-cylindrical cup shaped portion for receiving the clamping member and is provided with a protruding collar (36). The lamp holder (50) comprises a substantially circular-cylindrical flange (55) for receiving the cup-shaped portion such that the flange engages the protruding collar. An inner diameter of the flange (55) has a tolerance of less than or equal to ?0.2 mm. An outer diameter of the cup-shaped portion (33) has a tolerance of less than or equal to +0.2 mm. The respective tolerances extend over a length of at least 2.5 mm, measured with respect to the protruding collar.

Abstract: An electric lamp has a lamp vessel accommodating an electric element. The element is connected to current conductors including molybdenum portions which have a coating of material chosen from the group of chromium-manganese, chromium-cobalt, chromium-iron and chromium-boron alloys as a protection against oxidation.

Abstract: In certain embodiments, a lamp is provided with an arc envelope including a ceramic, an end member including a material different from the ceramic, and a compliant seal disposed between the end member and the arc envelope. The compliant seal includes a plurality of layers having different thermal expansion characteristics in an order of gradual change between the arc envelope and the end member.

Abstract: A lamp base (10), for example, for a tungsten-halogen lamp, comprises three electrically conductive parts or elements and a glass insulator. Specifically, the lamp base (10) comprises a first metallic outer part (12), a glass inner part (14), an electrically conducting eyelet (18), and an upper electrically conductive part (20), all symmetrically arrayed about a longitudinal axis (16). The glass insulator (14) bonds all of the electrically conductive parts, (12, 18) and (20). The metallic outer part (12) is preferably threaded for insertion into a socket and has a major, internal diameter D1. The glass inner part (14) has a primary, external diameter that is equal to the major internal diameter D1; i.e., the external diameter of the glass inner part (14) is contiguous with the internal diameter of the metallic outer part (12). Further, the internal glass part (14) has an opening (14a) therein and the opening (14a) has a secondary diameter D2. In an aspect of the invention, D2/D1 is greater than 0.

Abstract: A lamp includes a lamp base with a stem having two leads. Free portions of the leads extend from the stem substantially parallel to each other and define a first plane. The lamp further includes a translucent outer envelope and a halogen inner lamp light source having a pinched end. The pinched end defines a second plane, and it is located in the vicinity of the stem. The first plane defined by the free portions of the leads is substantially perpendicular to the second plane defined by the pinched end.

Abstract: The subject matter of the disclosure is a power supply system for a lamp, having foils, which are embedded in a gas-tight manner in a pinch seal of the lamp and on which are arranged, in each case on two opposing narrow sides, an inner power supply line and an outer power supply line for the purpose of supplying power to a luminous element of the lamp, the outer power supply lines having lamp-side end sections, which are connected to the foils. According to the invention, the end sections of the outer power supply lines extend at least in sections approximately at right angles to a longitudinal axis of the foils.

Abstract: An arc discharge lamp (60) contains an arc tube (62) containing an arc generating and sustaining medium. The arc tube (62) has at least one press seal (64). Means (66) for coupling electrical energy to the interior of the arc tube includes an electrical current-carrying frame member (68) and in-leads (68a) and (68b) sealed into the lamp stem (90) and connected to a base (not shown). A starting source (70) comprises a sealed cavity (72) formed in the press seal (64). A second fill material is contained within the sealed cavity (72). The starting source (70) emits ultraviolet radiation when the lamp (60) is energized, which assists in initiation of the arc discharge within the interior of the arc tube (62). An electrical energy coupler (74) is provided for coupling electrical energy to the sealed cavity (72).

Abstract: The electric lamp has a lamp vessel having a pinch mounted in an outer envelope by means of a clamping member of metal sheet which is present on the pinch. The clamping member has an open loop which extends in a direction transverse to the broad side faces of the pinch. A still open clamping member, when present around the pinch, can easily be fastened by plastically deforming a specified region of the member by the method of the invention.

Abstract: An elongated dielectric barrier discharge lamp with outer and inner electrodes has a tube that is arranged on the lamp stand end of the discharge vessel and that surrounds the lamp stand. The tube serves to receive a seal in order to install the lamp in a process chamber in a gastight manner. Power supply of the outer electrodes is separated from the power supply for the inner electrodes coming out of the lamp stand by means of the above-mentioned tube. This makes it possible to prevent effectively parasitic discharges between the power supplies which are applied at different potentials during operation also in process chambers under negative pressure.

Abstract: A hermetically sealed lamp having at least one seal-material-free bond. The seal material-free bond may be a material diffusion bond, a mechanically deformed bond such as a cold weld or crimp, a focused heat bond such as a laser bond, or any other such bond. For example, the hermetically sealed lamp may have one or more endcaps diffusion bonded to an arc envelope, such as a ceramic tube or bulb. The hermetically sealed lamp also may have one or more tubular structures, such as dosing tubes, which are mechanically closed via cold welding or crimping. Localized heating, such as the heat provided by an intense laser, also may be used to enhance any of the foregoing bonds.

Abstract: A short arc type high pressure discharge lamp has a pair of electrodes disposed inside the lamp and facing each other, a light emitting portion encapsulating more than 0.15 mg/mm3 mercury, and sealing portions that extend to both sides of the light emitting portion, seal part of electrodes respectively, and join the electrodes and metallic foil, wherein a cross-sectional view of the metallic foil is an approximately omega shape.

Abstract: A lamp for an automobile includes a lamp (10) and a base portion (30) to which the lamp (10) is mounted, in which the lamp (10) includes: a bulb (20); lead wires (11) extending from a base of the bulb (20); and a pinch seal portion (22) formed in the base of the bulb (20) for fixing the lead wires (11), and the base portion (30) includes a resin adapter (40) having a pair of adapter half bodies (40A, 40B) adapted to be placed onto the pinch seal portion (22) from left and right side portions of the pinch seal portion (22) in a transverse direction and mounted on the pinch seal portion (22).

Abstract: To reduce and prevent electrode displacement and at the same time to devise an arrangement of the side tube parts with high adhesion, a short-arc, ultra-high pressure discharge lamp a light emmitting part in which there is a pair of opposed electrodes and which is filled with at least 0.15 mg/mm3 of mercury is provided with side tube parts which extend from opposite sides of the light emitting part in which the electrodes are partially hermeticallly sealed and in which the electrodes are each welded in a central valley of a metal foil that has a cross section with an essentially inverted W-shape. The valley and flanking arches or peaks of the W-shape may be sarpentine or sinusoidal, trapezoidal, or rectangular in addition to the traditional W-shape having acutely angled corners between straight legs.

Abstract: The elongate bulb (1) of the lamp, which defines a longitudinal axis (A), is closed at opposite ends by sealing parts (6; 32), with in each case one cap being fitted at one end, the cap having an electrical contact element (13; 25) which is connected in an electrically conductive manner to a supply conductor (15; 21) leading to a luminous means, the contact element being accommodated in a tubular extension (11; 22) of the sealing part; the contact element (13; 25) has an attachment part (14; 24) which is directed inward toward the lamp interior and is equipped with at least two barbs (20; 26) which are in contact with the tubular extension (11; 21).

Abstract: A cold cathode fluorescent lamp (1) has feedthrough pins (5) made from molybdenum or a molybdenum alloy that form a glass-metal seal (6) with a glass composed of 55-75 wt. % SiO2, 13-25 wt. % B2O3, 0-10 wt. % Al2O3, 5-12 wt. % alkali oxides, 0-3 wt. % alkali earth oxides, 0-5 wt. % ZrO2, 0-10 wt. % TiO2 und 0-5 wt. % remaining oxides. The lamp has hollow cathodes (4) made from a material of the group molybdenum, molybdenum alloys, niobium, niobium alloys, and the lamp is manufactured in a compact form using conventional manufacturing parameters, and the resulting lamp has crack free, long-term vacuum-tight glass-metal seals.

Abstract: Lighting apparatus includes: a solid state area illumination light source having, a substrate, an organic light emitting diode (OLED) layer deposited upon the substrate, the organic light emitting diode layer including first and second electrodes for providing electrical power to the OLED layer, an encapsulating cover covering the OLED layer, and first and second conductors located on the substrate and electrically connected to the first and second electrodes and extending beyond the encapsulating cover for making electrical contact to the first and second electrodes by an external power source; and a socket for removably receiving and holding the light source and having first electrical contacts for making electrical connection to the first and second conductors of the light source, and second electrical contacts for making electrical connection to an external power source.

Abstract: A lamp for an automobile includes a lamp (10) and a base portion (30) to which the lamp (10) is mounted, in which the lamp (10) includes: a bulb (20); lead wires (11) extending from a base of the bulb (20); and a pinch seal portion (22) formed in the base of the bulb (20) for fixing the lead wires (11), and the base portion (30) includes a resin adapter (40) having a pair of adapter half bodies (40A, 40B) adapted to be placed onto the pinch seal portion (22) from left and right side portions of the pinch seal portion (22) in a transverse direction and mounted on the pinch seal portion (22).

Abstract: A lamp assembly (10) includes a body (12) having a concave reflecting surface (16) that opens toward a first or open end (18) and a neck (22) at a second end includes an opening (24). A light source (30) is received in the body adjacent the reflecting surface and has a seal or pinch region (44) which extends into the neck. A mounting clip (80) includes a plate (82) that engages the outer surface of the neck. First and second legs (84, 86) of the mounting clip engage the pinch region via teeth (88), while arms (90, 92) engage an internal surface (94) of the neck.

Abstract: A discharge lamp of the short arc type with high arc stability in which the arc is prevented from fluctuating during operation is achieved by providing a short arc discharge lamp in which the hermetically sealed tubes which extend from the arc tube, and the lead pins located within the arc tube which support the electrodes, are sealed relative to one another by graded glass, and wherein cylindrical retaining bodies are attached concentrically within the hermetically sealed tubes and are penetrated by the lead pins, a metal foil that has several cambers which extend in the axial direction of the lamp being located between the cylindrical retaining bodies and the lead pins.

Abstract: A halogen lamp coupling structure for an electric heater allowing a fitting plate of a halogen lamp to be fitted into and coupled with a lamp fixing recess of a base serving as an insulation block. The halogen lamp coupling structure comprises a strap coupling type of elastic fixing member having a fixing strap fixed to the halogen lamp to surround the halogen lamp and an auxiliary fixing strap supported by an inner wall of the lamp fixing recess of the base. The fixing strap and the auxiliary fixing strap are connected with each other in a vertical direction by a bent piece.

Abstract: The present invention relates to a method for marking quartz glass lamps having at least one fusible metal foil 10, 12, which is surrounded by quartz glass, for supplying electric voltage to luminous means 15 arranged in the interior chamber of a lamp vessel, in which method the fusible metal foil 10, 12 is marked through the quartz glass by means of a laser. The invention also relates to a quartz glass lamp having at least one fusible metal foil 10, 12 which is surrounded by quartz glass, for supplying electric voltage to luminous means 15 arranged in the interior chamber of a lamp vessel, in which lamp the fusible metal foil 10, 12 forms a marking area 16, the marking of the marking area 16 taking place through the quartz glass by means of a laser.