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| Number | Title | Issue Date |
| 8183779 | Escimer lamp having discharge gap controlled by fluorine concentration In an excimer lamp, rare gas and fluorine are enclosed inside a translucent ceramics arc tube. External electrodes are formed on an outer surface of the arc tube. A condition of 2.5+0.5 log(CF)≦G≦14−4 log(CF) is satisfied in the case of 0... | 05/22/2012 |
| 8164266 | High pressure discharge lamp lighting apparatus A high pressure discharge lamp lighting apparatus includes a high pressure discharge lamp and a power supply apparatus, wherein in a steady state lighting operation, an alternating current of a steady state lighting frequency and alternating current of a low frequen... | 04/24/2012 |
| 8164263 | Excimer discharge lamp An excimer discharge lamp comprises an electric discharge container having an electric discharge space, a pair of electrodes provided on an outer face of the electric discharge container, and an electric discharge gas enclosed in the electric discharge space. Furthe... | 04/24/2012 |
| 8148901 | Light source apparatus with power feeder structure A light source apparatus, comprises a lamp housing, a xenon lamp provided in the lamp housing, a reflection mirror which reflects light emitted from the xenon lamp, and first and second power feeders which supply electric power to the xenon lamp, wherein a direction... | 04/03/2012 |
| 8115389 | High pressure discharge lamp 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 a... | 02/14/2012 |
| 8072145 | Extra high pressure mercury lamp with each electrode held by a sealing portion An extra high pressure mercury lamp that includes an arc tube, which includes a light emission section enclosing 0.2 mg/mm3 or more of mercury, sealing sections that respectively extend from both ends of the light emission section, a pair of electrodes th... | 12/06/2011 |
| 8070340 | Light guiding member and linear light source apparatus A light guiding member in a shape of a rod shape comprises a light receiving portion formed on an end thereof in an axial direction thereof, and a knurled recess portion which extends in the axial direction, is formed on a side face thereof, wherein the knurled rece... | 12/06/2011 |
| 8054000 | Flash lamp irradiation apparatus A flash lamp irradiation apparatus comprises at least one flash lamp having a bulb made of translucent material, two or more trigger members disposed along a tube axis of the at least one flash lamp, wherein voltage is simultaneously impressed to the two or more tri... | 11/08/2011 |
| 8044334 | High-pressure discharge lamp light source device having a power supply device with a switching state for switching from a direct current drive in a standby state to an alternating current drive in an operating state and projector To stabilize the arc bright point position of a discharge lamp and suppress deformation of an electrode when an ultrahigh-pressure discharge lamp is operated with extremely low electric power, the lamp is operated by supplying power from a power supply device having... | 10/25/2011 |
| 8013532 | Extra-high pressure discharge lamp An extra-high pressure discharge lamp, comprises an optical transparent light emitting section, sealing sections connected to the light emitting section, a pair of electrodes which face each other in the light emitting section, wherein one of the electrodes having a... | 09/06/2011 |
| 7999475 | Short arc type discharge lamp A short arc type discharge lamp has a pair of electrodes, at least one of which has an electrode body and an axis part. A taper part is formed at a base side of the electrode body. Plural holes extending in an axis direction of the electrode in line are formed at th... | 08/16/2011 |
| 7984539 | Chamber replacing method When a chamber of an oscillator and one or more amplifiers is to be replaced at the timing when a predetermined period elapses, one of the chambers of the oscillator and the amplifiers having a low allowable deterioration limit is detached and this chamber is attach... | 07/26/2011 |
| 7969094 | Light source apparatus A light source apparatus, comprises a discharge lamp and an auxiliary start-up light source provided in a base for the discharge lamp, wherein first and second external electrodes of the auxiliary start-up light source are formed on an outer face of a discharge cont... | 06/28/2011 |
| 7960923 | High pressure discharge lamp lighting apparatus A discharge lamp lighting apparatus includes a discharge container, a pair of electrodes and a power supply apparatus. An alternating current of a frequency, which is lower than stationary frequency, is inserted periodically into the alternating current of stationar... | 06/14/2011 |
| 7953312 | Light guiding member and bifurcated linear light source apparatus A light guiding member having a light direction changing face which extends in a longitudinal direction of the light guiding member and a light emitting face which faces the light guiding member, wherein the light direction changing face includes two faces arranged ... | 05/31/2011 |
| 7944150 | Discharge lamp lighting apparatus and projector A discharge lamp lighting apparatus for turning on a discharge lamp has a lighting condition in which a projection is formed at a tip of an electrode for electric discharge. In the discharge lamp lighting apparatus, when the polarity-reversal mode is the second mode... | 05/17/2011 |
| 7935266 | Wet etching method using ultraviolet-light and method of manufacturing semiconductor device A substrate supporting film to be etched is held on a rotating stage. Ultraviolet light having a wavelength of 200 nm or shorter radiated from first lamps irradiates the film in air, thereby removing an organic coatings from the film and making the surface of the fi... | 05/03/2011 |
| 7847492 | Discharge lamp lighting apparatus and projector In a discharge lamp lighting apparatus, increase modulation on lamp current with a pulse is carried out according to a modulation signal. At a start-up of the discharge lamp or immediately thereafter, the increase modulation is restrained, and in a lighting steady s... | 12/07/2010 |
| 7845805 | Discharge lamp lighting apparatus and projector A discharge lamp lighting apparatus for lighting a discharge lamp, comprises an inverter which reverses a polarity of an output voltage and applies alternating voltage to the discharge lamp, and an inverter control circuit which generates an inverter control signal ... | 12/07/2010 |
| 7868552 | Short arc lamp A short arc lamp comprises a body portion made from an insulating material and having a curved reflective surface, in which a concave discharge space is formed; a pair of cathode and anode disposed at a focal point of the reflective surface with a gap; a support mem... | 01/11/2011 |
| 7825597 | Discharge lamp A discharge lamp has an electrode comprising a base portion having a base portion side flange portion, and a lid portion having a lid portion side flange portion. In a sealed space of the electrode, heat conductive member is enclosed. At time of lighting, the electr... | 11/02/2010 |
| 7800308 | Excimer lamp A excimer lamp comprises an electric discharge container in which a sealing member is provided between a lid member and an arc tube which does not contain silica, and a pair of external electrodes which are separately provided on an outer surface of the arc tube, wh... | 09/21/2010 |
| 7800307 | Electrode and extra-high pressure discharge lamp using the same An electrode for an extra-high pressure discharge lamp, comprises large diameter portion which is symmetrical with respect to an axis of the electrode, a small diameter portion connected to the large diameter portion, wherein the large diameter portion is connected ... | 09/21/2010 |
| 7794109 | Light source apparatus A light source apparatus comprises reflection mirrors, first and second lamp holding sections, wherein the reflection mirrors are provided between the first and second lamp holding section, a reflection mirror support plate to which reflection mirrors are attached, ... | 09/14/2010 |
| 7792176 | Narrow-band laser device for exposure apparatus A narrow-band laser device for exposure apparatus that allows to reduce damage to, and to hence extend the life of, optical elements such as chamber windows, output coupling mirrors or the like. A ring resonator is provided in an amplification stage laser of the nar... | 09/07/2010 |
| 7782922 | Excimer laser device operable at high repetition rate and having high band-narrowing efficiency A narrow-band discharge excited laser device including a laser chamber having a laser gas sealed therein, a pair of electrodes provided within the laser chamber to face each other with a predetermined distance therebetween, a band-narrowing module having a magnifyin... | 08/24/2010 |
| 7719193 | Discharge lamp cathode having tip, middle, and body portions A discharge lamp includes a cathode and an anode which face each other in an arc tube, wherein the cathode is made of tungsten in which thorium oxide is doped. The cathode has a cylindrical body portion, a tip portion having a cone shape, and a middle portion formed... | 05/18/2010 |
| 7705334 | Extreme ultraviolet radiation source device An extreme ultraviolet radiation source device comprises a vessel; an electric discharge section including a pair of main discharge electrodes; a material supply unit which supplies an extreme ultraviolet radiating species to the electric discharge section; a high v... | 04/27/2010 |
| 7633236 | Lamp lighting apparatus A lamp lighting apparatus comprises a glass tube, electrodes provided in an axis direction of the glass tube, and an inverter circuit which apply a high voltage of an alternating current to the electrodes. The inverter circuit includes an inverter control circuit wh... | 12/15/2009 |
| 7631992 | Light source apparatus A light source apparatus comprises a casing having a light emission window which is formed on a front side of the casing; a lamp provided in the casing; a light condensing reflection mirror which is provided in the casing and which has a reflection face therein for ... | 12/15/2009 |
| 7592751 | Excimer lamp and ultraviolet-rays irradiation apparatus having the same An excimer lamp has an arc tube made of dielectric materials capable of transmitting ultraviolet rays, a pair of electrodes facing each other through the dielectric materials forming the arc tube, and a high voltage power supply terminal for supplying high voltage t... | 09/22/2009 |
| 7586261 | Rare gas fluorescent lamp The present rare gas fluorescent lamp can prevent reduction of an effective light-emitting region by securely suppressing creeping discharge even when a conductive material is provided to improve starting performance. The rare gas fluorescent lamp having a light-emi... | 09/08/2009 |
| 7569994 | High-load and high-intensity discharge lamp The present high-load and high-intensity discharge lamp includes a cathode made of a material which does not (substantially) include thorium but can be used as a cathode material of high heat load, so that a long lifetime and high stability corresponding to those of... | 08/04/2009 |
| 7567041 | Discharge lamp lighting apparatus and projector In a lamp lighting apparatus for lighting a high intensity discharge lamp, which is used for a projector, it is possible to carry out high speed modulation of brightness of the discharge lamp, in synchronization with a conversion operation to sequential color light ... | 07/28/2009 |
| 7531965 | Discharge centering lamp lighting device A discharge lamp lighting device can reduce a variation in luminous flux at the time when the polarity of a voltage to be applied to the discharge lamp is inverted, prevent an excessively large amount of current from flowing through the discharge lamp at the time of... | 05/12/2009 |
| 7511313 | Ultraviolet ray emitting element package An ultraviolet ray emitting element package comprises a condenser lens, and an ultraviolet ray emitting element which is arranged approximately at a center and in a bottom side of the condenser lens and which is apart from a bottom of the condenser lens, wherein a r... | 03/31/2009 |
| 7492082 | Light source apparatus with sealing portion receiving section It is an object of the present invention to provide a light source apparatus capable of reducing the production cost and increasing productivity. A light source apparatus comprises an approximately spherical discharge container, sealing portions continuously formed ... | 02/17/2009 |
| 7482740 | Electrode unit of extreme ultraviolet generator An electrode unit of an extreme ultraviolet radiation generator comprise a breakdown voltage impression electrode, a ground electrode, an insulator provided in contact with the breakdown voltage impression electrode and the ground electrode in which plasma is genera... | 01/27/2009 |
| 7463418 | Polarization element unit and polarization light emitting apparatus In the present wire grid polarization element unit and polarized light emitting apparatus, it is possible to prevent non-polarized light, which has bad extinction ratio from leaking from end portions of polarization elements. Specifically, in a frame, wire grid pola... | 12/09/2008 |
| 7446482 | High pressure discharge lamp lighting apparatus A high pressure discharge lamp lighting apparatus comprises a high pressure discharge lamp including a discharge container made of quartz glass in which mercury and halogen is enclosed, and a first and second electrodes in which the first electrode is larger than th... | 11/04/2008 |
