Direct current high-pressure glow discharges
    17.
    发明授权
    Direct current high-pressure glow discharges 失效
    直流高压辉光放电

    公开(公告)号:US06433480B1

    公开(公告)日:2002-08-13

    申请号:US09579875

    申请日:2000-05-27

    CPC classification number: H01J61/64 H01J61/09 H05H1/48

    Abstract: This invention improves the stability and control of high-pressure glow discharges by means of a microhllow cathode discharge. The microhollow cathode discharge, which is sustained between two closely spaced electrodes with an opening formed in the electrodes, serves as a plasma cathode for the high-pressure glow. Small variations in the microhollow cathode discharge voltage generate large variations in the microhollow cathode discharge current and consequently in the glow discharge current. In this mode of operation the electrical characteristic of this invention resembles that of a vacuum triode. Using the microhollow cathode discharge as a plasma cathode, stable, dc discharges in argon up to atmospheric pressures can be generated. Additionally, parallel operation of these discharges allows for the generation of large volume plasmas at high gas pressure through superposition of individual glow discharges. Thus, this invention allows simultaneous generation of relatively high electron densities at relatively low temperatures with stable, direct current, homogenous glow discharge plasma at relatively high pressure.

    Abstract translation: 本发明通过微阴极放电改善了高压辉光放电的稳定性和控制。 保持在具有在电极中形成的开口的两个紧密间隔的电极之间的微气体阴极放电用作用于高压发光的等离子体阴极。 微气体阴极放电电压的微小变化在微气体阴极放电电流和辉光放电电流中产生大的变化。 在这种操作模式下,本发明的电气特性类似于真空三极管的特征。 使用微空气阴极放电作为等离子体阴极,可以产生在氩气中稳定的直流放电至大气压力。 此外,这些放电的并联运行允许通过叠加单个辉光放电而在高气体压力下产生大体积等离子体。 因此,本发明允许在相对较低的温度下以相当高的压力同时产生具有稳定的直流均匀辉光放电等离子体的较高的电子密度。

    Preform for fluorescent lamp, fluorescent lamp prepared by the same, and
method for preparing the fluorescent lamp
    18.
    发明授权
    Preform for fluorescent lamp, fluorescent lamp prepared by the same, and method for preparing the fluorescent lamp 失效
    荧光灯预制件,由其制备的荧光灯以及荧光灯的制备方法

    公开(公告)号:US5932970A

    公开(公告)日:1999-08-03

    申请号:US943745

    申请日:1997-10-03

    CPC classification number: H01J9/247 H01J9/38 H01J61/30 H01J61/36 H01J61/64

    Abstract: There is provided a preform for a fluorescent lamp comprising a bulb and a stem provided with a filament and a discharge electrode and a fluorescent lamp prepared by the preform without an exhaust pipe for use as an indicating lamp, the fluorescent lamp being sealed after exhausting inside air and charging inert gas and mercury through an appropriate space formed between the bulb and the stem inserted into the bulb. Thus, even when liquefied mercury is present in the discharge chamber, it receives a large amount of heat from the filament applied voltage and is easily and quickly evaporated, whereby the characteristics of the lamp become stable quickly after turning on the lamp.

    Abstract translation: 提供了一种用于荧光灯的预制件,其包括灯泡和设置有灯丝的灯杆和放电电极以及由预成型件制成的荧光灯,而不使用用作指示灯的排气管,荧光灯在内部排气之后被密封 空气并通过在插入灯泡中的灯泡和灯杆之间形成的适当空间来充入惰性气体和汞。 因此,即使在放电室中存在液化汞的情况下,由于灯丝施加的电压也容易产生大量的热量,容易且迅速的蒸发,因此在接通灯后,灯的特性变得稳定。

    AC/DC-operable glow discharge starter having two bimetals
    19.
    发明授权
    AC/DC-operable glow discharge starter having two bimetals 失效
    具有两个双金属的AC / DC可操作的辉光放电起动器

    公开(公告)号:US5317232A

    公开(公告)日:1994-05-31

    申请号:US916044

    申请日:1992-07-17

    CPC classification number: H01J61/54 H01J61/64

    Abstract: A glow discharge starter having an hermetically sealed envelope containing an ionizable medium, a bimetallic electrode including a first bimetallic element having a curved portion and a free end, and a counter electrode. A first discharge gap having a predetermined spacing is formed between the free end of the first bimetallic element and the counter electrode. The starter includes a second bimetallic element having an end secured to the counter electrode. A portion of the second bimetallic element is positioned adjacent the curved portion of the first bimetallic element such that a second discharge gap having a predetermined spacing is formed therebetween. In the event that the starter encounters a dc current of the wrong polarity, a portion of the second bimetallic element contacts the first bimetallic element so as to extinguish the arc discharge and prevent electrode damage.

    Abstract translation: 一种辉光放电起动器,其具有包含可电离介质的气密密封的外壳,包括具有弯曲部分和自由端的第一双金属元件的双金属电极和对电极。 在第一双金属元件的自由端和对电极之间形成具有预定间隔的第一放电间隙。 启动器包括具有固定到对电极的一端的第二双金属元件。 第二双金属元件的一部分位于第一双金属元件的弯曲部分附近,使得在其间形成具有预定间隔的第二放电间隙。 在起动器遇到错误极性的直流电流的情况下,第二双金属元件的一部分接触第一双金属元件,以消除电弧放电并防止电极损坏。

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