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    • 73. 发明授权
    • Discharge lamp and method of producing the same
    • 放电灯及其制造方法
    • US06368175B1
    • 2002-04-09
    • US09270004
    • 1999-03-16
    • Makoto HoriuchiMakoto KaiMamoru Takeda
    • Makoto HoriuchiMakoto KaiMamoru Takeda
    • H01J924
    • H01J61/302C03B23/0493C03B23/07C03B2201/04H01J9/247
    • The present invention provides a long-life discharge lamp by removing the causes of lowering the service life of the discharge lamp owing to quartz glass constituting the discharge lamp and a gas sealed therein, and also provides a discharge lamp production method wherein the mixing of impurities affecting the service life of the discharge lamp is prevented. In the discharge lamp the content of hydrogen, oxygen and their compounds existing in the light-emitting portion is such that the maximum intensity of the light-emitting spectral intensities of the above impurities is {fraction (1/1000)} or less of the intensity of the main light-emitting spectrum of the noble gas when glow discharge occurs by supplying a current of 3 mA, and also the content of OH groups included in the quartz glass of the sealing portions is 5 ppm or less by weight.
    • 本发明提供了一种长寿命放电灯,通过消除由于构成放电灯的石英玻璃和密封在其中的气体而导致放电灯的使用寿命降低的原因,并且还提供了一种放电灯的制造方法,其中杂质 影响放电灯的使用寿命。 在放电灯中,存在于发光部分中的氢,氧及其化合物的含量使得上述杂质的发光光谱强度的最大强度为{分数​​(1/1000)}以下 通过提供3mA的电流而发生辉光放电时的惰性气体的主要发光光谱的强度,以及包含在密封部分的石英玻璃中的OH基团的含量为5ppm以下。
    • 77. 发明授权
    • High-pressure discharge lamp, method for manufacturing a discharge tube
body for high-pressure discharge lamps and method for manufacturing a
hollow tube body
    • 高压放电灯,高压放电灯放电管体的制造方法及中空管体的制造方法
    • US5742126A
    • 1998-04-21
    • US535650
    • 1995-09-28
    • Kenichi FujiiMamoru Takeda
    • Kenichi FujiiMamoru Takeda
    • C23C14/34H01J9/20H01J61/35
    • H01J9/20H01J61/35H01J61/82
    • In a quartz glass tube body for high-pressure discharge lamp, the devitrification occurs during lighting, a light flux decreases and finally the useful life ends, where the main cause of this devitrification phenomenon is reaction between a sealed substance and the quartz glass tube body. It is one object of the present invention to attain the longer useful life, for example, of a high-pressure discharge lamp by preventing such a phenomenon. According to the present invention, a coating is made up by forming one or more oxynitride layers of an element chosen from among aluminum, tantalum, niobium, vanadium, chromium, titanium, zirconium, hafnium, yttrium, scandium, magnesium, silicon and lanthanum rare earth elements. By incorporating a bilayer coating on the inside wall of said hollow tube body, for example, that is composed of an aluminum oxynitride layer and an aluminum nitride layer obtained from application of a high-frequency wave between the sputter electrodes and generation of a glow discharge, a durable coating can be formed, thereby enabling the useful life of a high-pressure discharge lamp to be lengthened.
    • 在用于高压放电灯的石英玻璃管体中,在点亮期间发生失透,光通量减小,最后使用寿命结束,其中这种失透现象的主要原因是密封物质与石英玻璃管体之间的反应 。 本发明的一个目的是通过防止这种现象来实现例如高压放电灯的使用寿命更长。 根据本发明,通过形成一种或多种选自铝,钽,铌,钒,铬,钛,​​锆,铪,钇,钪,镁,硅和稀土镧中的元素的氮氧化物层来形成涂层。 地球元素 通过在例如由溅射电极之间施加高频波而产生辉光放电而获得的氮氧化铝层和氮化铝层构成的中空管体的内壁上并入双层涂层 可以形成耐用的涂层,从而能够延长高压放电灯的使用寿命。