WO2004075243A1 - ガス放電管 - Google Patents
ガス放電管 Download PDFInfo
- Publication number
- WO2004075243A1 WO2004075243A1 PCT/JP2004/001927 JP2004001927W WO2004075243A1 WO 2004075243 A1 WO2004075243 A1 WO 2004075243A1 JP 2004001927 W JP2004001927 W JP 2004001927W WO 2004075243 A1 WO2004075243 A1 WO 2004075243A1
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- WO
- WIPO (PCT)
- Prior art keywords
- discharge
- discharge path
- cathode
- gas
- anode
- Prior art date
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Classifications
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J61/00—Gas-discharge or vapour-discharge lamps
- H01J61/68—Lamps in which the main discharge is between parts of a current-carrying guide, e.g. halo lamp
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J61/00—Gas-discharge or vapour-discharge lamps
- H01J61/02—Details
- H01J61/04—Electrodes; Screens; Shields
- H01J61/06—Main electrodes
- H01J61/067—Main electrodes for low-pressure discharge lamps
- H01J61/0672—Main electrodes for low-pressure discharge lamps characterised by the construction of the electrode
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J61/00—Gas-discharge or vapour-discharge lamps
- H01J61/02—Details
- H01J61/04—Electrodes; Screens; Shields
- H01J61/10—Shields, screens, or guides for influencing the discharge
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J61/00—Gas-discharge or vapour-discharge lamps
- H01J61/02—Details
- H01J61/04—Electrodes; Screens; Shields
- H01J61/10—Shields, screens, or guides for influencing the discharge
- H01J61/103—Shields, screens or guides arranged to extend the discharge path
Definitions
- the present invention relates to a gas discharge tube such as a deuterium lamp particularly used as a light source for a spectroscope or chromatography.
- Japanese Patent Application Laid-Open No. 06-104 ⁇ 64-79 discloses a device disclosed in Japanese Patent Application Laid-Open No. 10-64479.
- Each gas discharge tube has a configuration in which a metal partition is disposed on a discharge path between an anode and a cathode, and a small hole is formed in the partition, and the discharge path is narrowed by the small hole. I am taking it. In such a configuration, high brightness light can be obtained by the small holes on the discharge path.
- the luminance is further increased by increasing the length of the small hole, that is, the portion that narrows the discharge path.
- an object of the present invention is to provide a gas discharge tube that can reliably generate a discharge regardless of the length of a portion that narrows a discharge path. Disclosure of the invention
- the present invention provides a sealed container in which gas is sealed. And an anode part arranged in the closed container, and a cathode part arranged in the closed container, separated from the anode part, and defining a discharge part for generating a discharge between the anode part.
- a cylindrical conductive discharge path restricting section disposed between the anode section and the cathode section and having a through hole for narrowing the discharge path, which is electrically connected to an external power supply
- a discharge path restricting section and a discharge shielding section disposed so as to surround the discharge path restricting section and electrically insulated from the discharge path restricting section.
- a gas discharge tube in which the discharge path restricting portion and the discharge shielding portion are positioned so that the portion protrudes from the surface of the discharge shielding portion on the cathode side by a predetermined amount.
- the protrusion amount is at most 0.5 mm.
- the through-hole in the discharge path restricting portion is provided with a small hole portion provided on the anode portion side and having a constant inner diameter, and a through hole provided continuously with the small hole portion and extending to the cathode portion side. It is preferable to have a mouth-shaped enlarged hole portion whose diameter is increased toward the cathode portion. This is because the small hole functions mainly as a part to constrict the discharge, and the large diameter hole forms a good arc ball inside it, contributing to higher brightness.
- the inner peripheral surface of the enlarged diameter hole portion in the discharge path limiting portion extend to the anode portion side from the cathode portion side surface of the discharge shielding portion, high density electrons can be obtained.
- the region is formed particularly concentrated inside the enlarged diameter hole portion, so that the starting discharge is more reliably generated.
- the discharge shielding portion is made of an electrically insulating material so that electrical insulation from the discharge path limiting portion can be easily achieved.
- FIG. 1 is an end view showing a first embodiment of the gas discharge tube according to the present invention.
- FIG. 2 is an enlarged cross-sectional view showing the periphery of the discharge path restricting portion in the gas discharge tube of FIG.
- FIG. 3 is an end view showing a modification of the gas discharge tube according to the first embodiment.
- FIG. 4 is an enlarged cross-sectional view showing a discharge path restricting portion in the gas discharge tube of FIG.
- FIG. 5 is a cross-sectional view showing another modification of the peripheral portion of the discharge path limiting portion.
- FIG. 6 is an end view showing a second embodiment of the gas discharge tube according to the present invention.
- FIG. 1 is an end view showing a first embodiment of a gas discharge tube according to the present invention, which is cut in a direction perpendicular to an axis (tube axis) direction.
- Gas discharge tube 10 shown in Fig. 1 Is a side-on type deuterium lamp.
- the discharge tube 10 has a glass sealed container 12 in which deuterium gas is sealed in several hundred Pa.
- the sealed container 12 includes a cylindrical side tube portion 14 having one end sealed and a stem portion (not shown) for sealing the other end of the side tube portion 14. A part of the tube part 14 is used as a light exit window 18.
- the light-emitting unit assembly 20 is housed in the sealed container 12.
- the light emitting section assembly 20 has an electrically insulating base section 22 made of ceramics or the like.
- the base portion 22 is arranged to face the light exit window 18, and a concave portion 23 is formed on the upper surface thereof.
- a flat plate-shaped anode portion 24 is disposed above the base portion 22.
- a tube shaft central axis of the side tube portion 14
- the tip of the stem pin 26 extending in the direction is fixed and electrically connected.
- the light emitting unit assembly 20 includes an electrically insulating plate-shaped discharge path restricting section support section (hereinafter, referred to as “ceramics”) for supporting a discharge path restricting section 28 described later. 30).
- the support portion 30 is fixed so as to contact the upper end surface of the outer peripheral portion of the base portion 22.
- a concave portion 32 is formed on the lower surface at the center of the support portion 30. The bottom surface (downward surface) and side surfaces of the concave portion 32 are spaced apart from the anode portion 24 by a predetermined distance. Also, an opening is provided at the center of the support section 30.
- a conductive plate 36 is disposed in contact with the bottom surface and the side surface of the concave portion 32 of the support portion 30.
- the conductive plate 36 is electrically connected to a tip portion of a stem pin 38 erected on the stem portion.
- An opening 40 is formed at the center of the conductive plate 36. When the conductive plate 36 is arranged with respect to the support portion 30, the opening 40 is formed.
- the opening 40 is arranged coaxially with the opening 34 of the support portion 30.
- the inner diameter of the opening 40 is smaller than the inner diameter of the opening 34.
- a metal for example, molybdenum, tungsten, or metal
- a discharge path restricting portion 28 made of a conductive material such as an alloy of these is welded and fixed so as to be coaxial with the openings 34 and 40. Therefore, external power can be supplied to the discharge path limiting section 28 via the conductive plate 36 and the stem pin 38.
- the discharge path restricting section 28 has a cylindrical shape in which a through hole 42 for narrowing the discharge path is formed on the inside, and the anode section 24 side A flange portion 44 for fixing is formed at the end of the shaft.
- the outer diameter of the flange portion 4 4 is substantially the same as the inner diameter of the opening 34 of the support portion 30.
- the flange portion 44 is inserted into the opening 34, and the lower surface of the flange portion 44 is electrically conductive. After contacting the upper surface of the plate 36, the flange portion 44 is fixed to the conductive plate 36 by welding or the like, so that the discharge path restricting portion 28 is supported by the support portion 30.
- the discharge path restricting portion 28 has the flange portion 44 and has a convex side surface, the upper end portion protruding toward the cathode side can be made small, and the discharge path restricting portion 28 described below can be used for starting discharge described later. Contribute to reliability.
- the through hole 42 of the discharge path restricting portion 28 is provided with a small hole portion 46 provided on the side of the anode portion 24 and having a constant inner diameter, and is connected to the small hole portion 46. And a funnel-shaped enlarged hole 48 extending upward and having an increased diameter.
- the small holes 46 are mainly for narrowing the discharge path, and the large diameter holes 48 are mainly for forming an arc ball.
- the inner peripheral surface is a conical surface.
- the inner diameter D1 of the small hole portion 46 is preferably about 0.5 mm.
- the maximum inner diameter D2 of the enlarged diameter hole 48 is preferably in the range of l to 3 mni. It is preferable that the ratio be such that the ratio D 2 to D 1 is in the range of 4 to 10.
- a flat discharge shielding portion 50 is disposed in contact with the upper surface (the surface on the cathode side) of the support portion 30.
- the discharge shield 50 is made of a conductive material such as a metal.
- the discharge shield 50 has an opening 52, and the discharge shield 50 is supported so that the opening 52 and the opening 34 of the support 30 are coaxial. Positioned relative to part 30. Also, as shown in FIG.
- the opening 52 of the discharge shielding portion 50 is formed from the outer diameter D 3 of the cylindrical portion of the discharge path restricting portion 28 (the portion above the flange portion 44) 54. Also have a slightly larger inner diameter d.
- the cylindrical portion 54 of the discharge path restricting portion 28 is inserted into the opening 52 of the discharge shielding portion 50, and the discharge shielding portion 50 surrounds the cylindrical portion 54. .
- a gap is formed between the inner peripheral surface of the opening 52 of the discharge shielding portion 50 and the outer peripheral surface of the cylindrical portion 54 of the discharge path restricting portion 28, but the size is extremely small. It is assumed that the leakage of the discharge through the gap is extremely small or substantially non-existent.
- the discharge shielding portion 50 attached to the electrically insulating support portion 30 is electrically insulated from the discharge path limiting portion 28, and the other potential is applied. Because it is not in contact with the part that is in contact, it is in a floating state in terms of potential.
- the total length (height) H of the discharge path limiting part 28 is slightly longer than the total T of the thickness of the support part 30 and the thickness of the discharge shielding part 50, and the discharge path The upper end of the restricting portion 28 projects upward from the upper surface of the discharge shielding portion 50.
- the protruding amount P is about 0.5 mm at the maximum, and preferably 0.3 mm.
- the length h of the enlarged diameter hole portion 48 which is the cathode side portion of the through hole 42 in the discharge path limiting portion 28, is larger than the protrusion amount P. That is, the lower end of the enlarged diameter hole portion 48 (the boundary line between the enlarged diameter hole portion 48 and the small hole portion 46) is located closer to the anode portion 24 than the upper surface of the discharge shielding portion 50.
- the light emitting section assembly 20 also has a cathode section 56 arranged at a position off the optical path on the light exit window 18 side.
- the cathode portion 56 is for generating thermoelectrons.
- the cathode portion 56 is configured by applying an electron emitting material on a tungsten coil extending in the tube axis direction.
- such a cathode portion 56 is electrically connected to a tip portion of a stem pin erected on the stem portion via a connection pin, so that power can be supplied from the outside.
- the light emitting unit assembly 20 is provided with a metal discharge rectifying plate 58 and a front cover so as to prevent spatter or evaporation from the cathode 56 from adhering to the light exit window 18. And one hundred and sixty.
- the discharge rectifying plate 58 is arranged so as to surround the cathode portion 56, and is fixed to the upper surface of the support portion 30.
- the front cover 60 is fixed to the upper surface of the support portion 30 so as to face the discharge rectifier plate 58. Between the discharge rectifier plate 58 and the front cover 60, a light passage port 62 through which discharge light passes is formed. An opening 64 is formed in a portion of the discharge rectifier plate 58 facing the front cover 60.
- thermoelectrons generated in the cathode section 56 pass through the section 6 4.
- a power of about 10 W is supplied to the cathode section 56 from an external power supply for the cathode (not shown) via a stem pin (not shown).
- the coil constituting the cathode unit 56 is supplied to preheat the coil.
- a voltage of about 160 V is applied between the cathode section 56 and the anode section 24 from the external power source for main discharge (not shown) via the stem pin 26 to prepare for arc discharge. .
- a predetermined voltage for example, 350
- an external power source for trigger not shown
- a starting discharge is generated between the cathode portion 56 and the protruding portion of the discharge path restricting portion 28 that protrudes from the upper surface of the discharge shielding portion 50 toward the cathode portion 56.
- the conical inner peripheral surface of the enlarged diameter hole 48 extends below the upper surface of the discharge shielding portion 50, the high-density electron region is located inside the enlarged diameter hole 48. In particular, it is formed. As a result, a starting discharge is reliably generated.
- a starting discharge occurs between the upper end of the discharge path limiting section 28 and the cathode section 56. Then, a starting discharge is also generated between the cathode section 56 and the anode section 24, and thereafter a main discharge (arc discharge) is generated by the main discharge external electrode. Since a stepwise discharge can be generated in this manner, even when the entire length H of the discharge path limiting portion 28 is set to a length (for example, 2 mm or more) that is sufficient for the discharge constriction, the main discharge is reliably performed. Can be generated.
- the power from the negative external power supply is adjusted so that the temperature of the cathode section 56 becomes optimal.
- the main discharge is maintained between the cathode portion 56 and the anode portion 24, and an arc ball is formed in the enlarged diameter hole portion 48 in the discharge path limiting portion 28. Since the discharge is constricted with a sufficient length in the discharge path limiting portion 28 and an arc ball is formed, the generated ultraviolet light is extremely high-luminance light, and the discharge rectifier plate 58 and the front cover 6 The light passes through the light exit window 18 of the hermetically sealed container 12 from the light passage port 62 between 0 and is emitted to the outside.
- the inner peripheral surface of the enlarged-diameter hole 48 is formed in a conical shape, the maximum inner diameter D2 of the enlarged-diameter hole 48 is within the range of 1 to 3 mm, and the inner diameter D1 of the small-diameter hole 46 is smaller than that of the small-diameter hole 46. Since the relationship D2 / 'D1 is in the range of 4 to 10, the formed arc ball has a stable and good shape. Therefore, the luminance and light amount of the emitted light are also stable. By setting D1 and D2 to the above-described dimensions, the density of the electron region in the enlarged-diameter hole portion 48 is further enhanced.
- FIG. 3 shows a modification of the gas discharge tube 10 shown in FIGS.
- the gas discharge tube 110 shown in FIG. 3 differs from the gas discharge tube 10 shown in FIG. 1 and FIG. 2 in that the gas discharge tube 110 is formed of an electric insulating material such as a discharge shielding member 150 ceramic. I have. Since the gas discharge tube 110 is substantially the same as the gas discharge tube 10 in the other portions, the same or corresponding portions as those in FIGS. 1 and 2 are denoted by the same reference numerals, and duplicate description will be omitted. .
- the discharge shielding portion 150 is made of an electrically insulating material such as ceramics, the discharge path The discharge can be shielded even when in contact with the restriction part 28. For this reason, even though the positional accuracy between the discharge path restricting section 28 and the discharge shielding section 150 is low, electrical insulation between the discharge path restricting section 28 and the discharge path restricting section 28 can be easily achieved, and manufacturing becomes easy.
- the inner diameter of the opening 152 of the discharge shielding portion 150 is substantially the same as the outer diameter of the cylindrical portion 54 of the discharge path restricting portion 28. There can be no gap between the discharge shielding part 150 and the discharge path restricting part 28 at all.
- the effect of shielding the discharge path between the outer peripheral surface of the discharge shielding section 150 and the outer peripheral surface of the lower discharge path restricting section 28 and the cathode section 56 is high, and the enlarged diameter of the discharge path restricting section 28 is large.
- the electrons are further densified within 48, and the main discharge is reliably generated from the starting discharge.
- the discharge shielding portion 150 ' may be formed integrally with the support portion 130. Both are made of the same electrical insulating material such as ceramics. By integrally molding in this way, it is possible to reduce the number of parts and to facilitate manufacture.
- FIG. 6 is an end view showing a second embodiment of the gas discharge tube according to the present invention, which is cut along the axial direction.
- the gas discharge tube 210 is a head-on type heavy hydrogen lamp.
- the discharge tube 210 has a hermetically sealed glass-made container 212 containing several hundred Pa of deuterium gas. Te, ru.
- the sealed container 2 12 has a cylindrical side tube portion 2 14, a stem portion 2 16 for sealing the lower end of the side tube portion 2 14, and a light emitting window 2 for sealing the upper end side. Consists of eighteen.
- the light emitting unit assembly 220 is housed in the sealed container 212.
- the light-emitting unit assembly 220 has an electrically insulating disk-shaped base portion 222 made of ceramics or the like.
- the base part 222 is placed on the rooster facing the light exit window 218.
- an anode section 2 24 is disposed on the upper side of the base section 2 12.
- the stem section 2 16 stands upright and the tube axis (the center axis of the side pipe) is placed.
- the distal end of a stem pin (not shown) extending in the direction of (line) is electrically connected.
- the light emitting unit assembly 220 has an electrically insulating discharge path restricting portion support portion (support portion) 230 made of ceramics or the like.
- the support portion 230 is arranged and fixed so as to overlap the upper surface of the base portion 222.
- a circular opening 234 is formed in the center of the support portion 230, and the main portion of the anode portion 224 (the portion shown in FIG. 6) is accommodated therein. I have. In the state where the main part of the anode part 224 is disposed in the opening 234 and the support part 230 is fixed on the base part 222 by being overlapped, the anode part 224 not shown The end portion is sandwiched between the support portion 230 and the base portion 222.
- a conductive plate 236 is disposed in contact with the upper surface of the support portion 230.
- the conductive plate 236 is electrically connected to a tip portion of a stem pin 238 which stands on the stem portion 216.
- the stem pin 238 and the stem pin connected to the above-mentioned anode part 224 are electrically insulated from ceramics or the like so as not to be exposed between the stem part 216 and the base part 222. Surrounded by sex tube 2 3 9
- the conductive plate 2 36 has a circular opening 240 smaller than the inner diameter of the opening 2 34 of the supporting portion 230, and the conductive plate 2 36 is formed by the supporting portion. When fixed to 230, this opening 240 is arranged coaxially with the opening 234 of the support portion 230.
- a discharge path restricting section 2 28 made of metal is provided in the center of the upper surface of the conductive plate 2 36. It is welded and fixed so as to be coaxial with the openings 23, 24. Therefore, external power can be supplied to the discharge path limiting portion 228 via the conductive plate 236 and the stem pin 238.
- the discharge path restricting section 228 is substantially the same as the discharge path restricting section 28 according to the first embodiment, that is, the one shown in FIG. Therefore, using the same reference numerals, if briefly described with reference to FIG. 2, the discharge path limiting portion 2 2 8, the cylindrical portion 5 4 and the flange portion 4 4 which are composed of, on its inner side
- the through hole 42 formed of the small hole portion 46 and the large diameter hole portion 48 is formed.
- the light emitting unit assembly 220 includes a disk-shaped discharge shielding portion support portion 270 for supporting a discharge shielding portion 250 described later.
- the discharge shield supporting portion 270 is made of an electrically insulating material such as ceramics, and is disposed in contact with the upper surface of the supporting portion 230.
- An opening 272 through which the discharge path limiting portion 228 passes is formed in the center of the discharge shielding portion support portion 270.
- the discharge shielding portion 250 is a conductive disc made of metal or the like, and is disposed in contact with the upper surface of the discharge shielding portion supporting portion 270. Further, an opening 255 is formed at the center of the discharge shielding portion 250, and in the assembled state, the opening 255 is made coaxial with the opening 272 of the discharge shielding portion support portion 270. You.
- the total length H of the discharge path control section 228 is slightly longer than the sum T of the thickness of the discharge shielding section supporting section 270 and the thickness of the discharge shielding section 250, and in the assembled state, the discharge path control is performed.
- the upper end of the part 228 passes through the opening 252 of the discharge shielding part 250 and projects from the upper surface of the discharge shielding part 250 by a maximum of about 0.5 mm, preferably about 0.3 mm. Sticking out.
- the amount of protrusion P is smaller than the length h of the enlarged diameter hole 48 of the discharge path restricting portion 228, and the lower end of the enlarged diameter hole 48 is located below the upper surface of the discharge shielding portion 250. I do.
- the inner diameter of the opening 252 is slightly larger than the outer diameter of the cylindrical portion 54 of the discharge path restricting portion 228, and a small gap is formed therebetween.
- the discharge shielding portion is insulated from the discharge path limiting portion 228 and other portions to which the potential is applied. Note that this gap enables substantial discharge shielding.
- the light emitting unit assembly 220 has a cathode part 256 arranged at a position off the optical path on the light emission window 218 side.
- the cathode section 256 generates thermal electrons Specifically, it is configured by coating an electron emitting substance on a tungsten coil extending in the tube axis direction.
- Such a cathode portion 256 is electrically connected to a tip portion of a stem pin (not shown) erected on the stem portion 216 through a connection pin, so that power can be supplied from the outside. I have.
- the light emitting unit assembly 220 is provided with a metal discharge rectifier plate 258 and a frontal force so as to prevent spatter or evaporation from the cathode unit 256 from adhering to the light exit window.
- Bar 260 The discharge rectifier plate 258 is arranged so as to surround the cathode portion 256, and is fixed to the upper surface of the support portion 230.
- the front cover 260 is fixed to the upper surface of the support portion 230 so as to face the discharge flow regulating plate 258.
- An opening 264 is formed in a portion of the discharge rectifier plate 258 facing the front cover 260, through which the thermoelectrons generated in the cathode portion 256 pass. I am going to have.
- the gas discharge tube 210 according to the second embodiment configured as described above is different from the head-on type and the side-on type in the gas discharge tube 210 according to the first embodiment. Since it has a discharge path restricting part 2 288 and a discharge shielding part 250 which are substantially the same as the discharge tube 10 and there is no difference in the dimensions and positional relationship from the gas discharge tube 10, the starting discharge And the main discharge is also reliably generated. In addition, the formed arc ball also has a stable and good shape, so that the emitted light is stable with high brightness and a rich light quantity. Note that the detailed description of the operation of the gas discharge tube 110 is the same as that of the above-described gas discharge tube 10 and thus will not be repeated.
- the discharge shielding portion 250 of the gas discharge tube 210 according to the second embodiment is made of a conductive material such as a metal, but may be formed of an electrically insulating material such as a ceramic.
- the configuration shown in FIGS. 3 to 5 as a modification of the first embodiment can be adopted.
- the gas discharge tube according to the present invention has a sufficiently narrow discharge. Since the discharge path restricting portion has a narrowing portion, high brightness can be obtained. In addition, the positional relationship between the discharge path restricting portion and the discharge shielding portion ensures that the discharge path restricting portion is located at the tip of the discharge path restricting portion. Since the starting discharge is generated, the starting discharge proceeds in a stepwise manner, and the main discharge is also reliably generated.
Abstract
Description
Claims
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP04712741A EP1538660B1 (en) | 2003-02-20 | 2004-02-19 | Gas discharge tube |
DE602004021666T DE602004021666D1 (de) | 2003-02-20 | 2004-02-19 | Gasentladungsröhre |
US10/544,616 US7271542B2 (en) | 2003-02-20 | 2004-02-19 | Gas discharge tube |
AU2004214163A AU2004214163B2 (en) | 2003-02-20 | 2004-02-19 | Gas discharge tube |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2003042953A JP3984179B2 (ja) | 2003-02-20 | 2003-02-20 | ガス放電管 |
JP2003-042953 | 2003-02-20 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2004075243A1 true WO2004075243A1 (ja) | 2004-09-02 |
Family
ID=32905382
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/JP2004/001927 WO2004075243A1 (ja) | 2003-02-20 | 2004-02-19 | ガス放電管 |
Country Status (8)
Country | Link |
---|---|
US (1) | US7271542B2 (ja) |
EP (1) | EP1538660B1 (ja) |
JP (1) | JP3984179B2 (ja) |
KR (1) | KR101037022B1 (ja) |
CN (1) | CN100378898C (ja) |
AU (1) | AU2004214163B2 (ja) |
DE (1) | DE602004021666D1 (ja) |
WO (1) | WO2004075243A1 (ja) |
Cited By (1)
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WO2006016521A1 (ja) * | 2004-08-10 | 2006-02-16 | Hamamatsu Photonics K.K. | ガス放電管 |
Families Citing this family (3)
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---|---|---|---|---|
DE102006040613B3 (de) * | 2006-08-30 | 2007-11-29 | Heraeus Noblelight Gmbh | Durchschein-Wasserstofflampe |
DE102008062410A1 (de) | 2008-12-17 | 2010-07-01 | Heraeus Noblelight Gmbh | Kathodenabschirmung bei Deuteriumlampen |
CN102034660B (zh) * | 2010-11-25 | 2017-12-08 | 爱普科斯电子(孝感)有限公司 | 带有屏蔽陶瓷片的气体放电管 |
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CN100495638C (zh) | 2000-11-15 | 2009-06-03 | 浜松光子学株式会社 | 气体放电管 |
JP4964360B2 (ja) | 2000-11-15 | 2012-06-27 | 浜松ホトニクス株式会社 | ガス放電管 |
JP4907760B2 (ja) | 2000-11-15 | 2012-04-04 | 浜松ホトニクス株式会社 | ガス放電管 |
KR100912334B1 (ko) | 2001-09-28 | 2009-08-14 | 하마마츠 포토닉스 가부시키가이샤 | 가스 방전관 |
AU2003235984B2 (en) | 2002-04-30 | 2008-02-14 | Hamamatsu Photonics K.K. | Gas discharge tube |
-
2003
- 2003-02-20 JP JP2003042953A patent/JP3984179B2/ja not_active Expired - Lifetime
-
2004
- 2004-02-19 DE DE602004021666T patent/DE602004021666D1/de not_active Expired - Lifetime
- 2004-02-19 US US10/544,616 patent/US7271542B2/en active Active
- 2004-02-19 CN CNB200480001649XA patent/CN100378898C/zh not_active Expired - Lifetime
- 2004-02-19 KR KR1020047016857A patent/KR101037022B1/ko active IP Right Grant
- 2004-02-19 WO PCT/JP2004/001927 patent/WO2004075243A1/ja active Application Filing
- 2004-02-19 AU AU2004214163A patent/AU2004214163B2/en not_active Ceased
- 2004-02-19 EP EP04712741A patent/EP1538660B1/en not_active Expired - Lifetime
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0473378A2 (en) * | 1990-08-27 | 1992-03-04 | Hamamatsu Photonics K.K. | Gas discharge tube |
EP0685874A1 (en) * | 1994-05-31 | 1995-12-06 | Hamamatsu Photonics K.K. | Gas discharge tube |
EP0700071A2 (en) * | 1994-08-31 | 1996-03-06 | Hamamatsu Photonics K.K. | Gas discharge tube |
US5886470A (en) * | 1996-07-18 | 1999-03-23 | Heraeus Noblelight Gmbh | Discharge lamp which has a fill of at least one of deuterium, hydrogen, mercury, a metal halide, or a noble gas |
EP1143486A1 (en) * | 1998-12-09 | 2001-10-10 | Hamamatsu Photonics K.K. | Gas discharge tube |
EP1154462A1 (en) * | 1998-12-09 | 2001-11-14 | Hamamatsu Photonics K.K. | Gas discharge tube |
Non-Patent Citations (1)
Title |
---|
See also references of EP1538660A4 * |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2006016521A1 (ja) * | 2004-08-10 | 2006-02-16 | Hamamatsu Photonics K.K. | ガス放電管 |
JP2006054081A (ja) * | 2004-08-10 | 2006-02-23 | Hamamatsu Photonics Kk | ガス放電管 |
US7764018B2 (en) | 2004-08-10 | 2010-07-27 | Hamamatsu Photonics K.K. | Gas discharge tube |
Also Published As
Publication number | Publication date |
---|---|
EP1538660B1 (en) | 2009-06-24 |
DE602004021666D1 (de) | 2009-08-06 |
KR101037022B1 (ko) | 2011-05-25 |
EP1538660A1 (en) | 2005-06-08 |
AU2004214163A1 (en) | 2004-09-02 |
CN1720602A (zh) | 2006-01-11 |
CN100378898C (zh) | 2008-04-02 |
US7271542B2 (en) | 2007-09-18 |
KR20050099458A (ko) | 2005-10-13 |
AU2004214163B2 (en) | 2009-07-02 |
JP2004265631A (ja) | 2004-09-24 |
EP1538660A4 (en) | 2006-12-06 |
JP3984179B2 (ja) | 2007-10-03 |
US20060145617A1 (en) | 2006-07-06 |
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