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    • 81. 发明授权
    • Multiple phase power supply for rocket engines
    • 火箭发动机多相电源
    • US07631482B2
    • 2009-12-15
    • US11123374
    • 2005-05-06
    • Geoffrey N. DrummondJeffery M. Monheiser
    • Geoffrey N. DrummondJeffery M. Monheiser
    • F03H1/00H05H1/00
    • F03H1/0037F03H1/0018
    • Conventional power supplies that actify the grids of electric rockets use an output capacitor to smooth the output DC voltage signal. Large capacitors tend to store a great amount of energy. Arcing acts to transfer this energy to create a well or pit on an accelerator grid of the electric rockets that may eventually cause repeating arcing or perforation on the accelerator grid. Various embodiments of the present invention eliminate or reduce the need to use an output capacitor. Additionally, various embodiments of the present invention use multiple phases of an input signal into the power supply to cause the output DC voltage signal to be substantially smooth.
    • 激活电子火箭网格的传统电源使用输出电容器平滑输出直流电压信号。 大容量电容器倾向于储存大量的能量。 电弧作用是传递这种能量,以在电火箭的加速器网格上产生井或坑,这可能最终在加速器网格上引起重复的电弧或穿孔。 本发明的各种实施例消除或减少使用输出电容器的需要。 此外,本发明的各种实施例将输入信号的多个相位用于电源以使输出直流电压信号基本上平滑。
    • 82. 发明申请
    • METHOD AND APPARATUS OF FORMING DOMAIN INVERSION STRUCTURES IN A NONLINEAR FERROELECTRIC SUBSTRATE
    • 非线性微电子基板中形成域反转结构的方法与装置
    • US20090294276A1
    • 2009-12-03
    • US12442523
    • 2007-09-20
    • Chang Qing XuJen-Shih ChangJonathan Markle
    • Chang Qing XuJen-Shih ChangJonathan Markle
    • H05H1/00B01J19/08
    • G02F1/3558C30B29/30C30B33/04
    • A crystal poling apparatus has as ingle-domain ferroelectric substrate (e.g. MgO doped LiNbO3 substrate), a sample holder, a high voltage source, a corona torch, a gas source, a chamber, and at least one vacuum pump. An electrode with a certain structure (e.g. a periodical pattern) is formed on the first surface of the substrate, and the substrate is set with the electrode facing down on top of the sample holder. The electrode is grounded so that high electric field is formed in the area with electrode due to the formation of charges generated by the corona torch on the second surface of the substrate. The charge distribution on the second surface of the substrate is controlled by the high voltage source and the gas source. To achieve the optimized crystal poling, the temperature of the substrate is set by the temperature controller, and the electrode on the first surface of the substrate is isolated by the vacuum pump.
    • 晶体极化装置具有单域铁电衬底(例如MgO掺杂的LiNbO 3衬底),样品保持器,高压源,电晕炬,气体源,腔室和至少一个真空泵。 在基板的第一表面上形成具有一定结构(例如周期性图案)的电极,并且将电极设置为位于样品保持器顶部的电极。 电极接地,由于在基板的第二表面上形成由电晕炬产生的电荷,所以在具有电极的区域中形成高电场。 基板的第二表面上的电荷分布由高电压源和气体源控制。 为了实现优化的晶体极化,通过温度控制器设置基板的温度,并且通过真空泵将衬底的第一表面上的电极隔离。
    • 85. 发明授权
    • High frequency power supply device and plasma generator
    • 高频电源装置和等离子发生器
    • US07567037B2
    • 2009-07-28
    • US10542289
    • 2004-01-15
    • Yuichi SetsuharaTatsuo ShojiMasayoshi Kamai
    • Yuichi SetsuharaTatsuo ShojiMasayoshi Kamai
    • H05H1/00
    • H01J37/32174H01J37/32091H01J37/321H01J37/3299H05H1/46
    • A high frequency power supplying device and a plasma generation device using the same includes: two or more inductive antennas; high frequency power sources, respectively supplying power to the antennas; and a vacuum chamber on which the antennas are provided so as to generate a plasma by inductive coupling with high frequency power, wherein each of the high frequency power sources is positioned close to a corresponding antenna. On this account, it is possible to reduce unevenness in high frequency voltages generated in the antennas. Thus, even when a diameter and a volume of the plasma generation section are made larger, it is possible to generate much more uniform plasma, thereby stabilizing (i) thin film formation processes based on the plasma and (ii) plasma ion implantation processes.
    • 高频供电装置和使用该高频电力装置的等离子体产生装置包括:两个或更多个电感天线; 高频电源,分别向天线供电; 以及真空室,其上设置天线,以便通过高频电力的感应耦合产生等离子体,其中每个高频电源被定位成靠近对应的天线。 因此,可以减少在天线中产生的高频电压的不均匀性。 因此,即使当等离子体产生部分的直径和体积更大时,也可以产生更均匀的等离子体,从而稳定(i)基于等离子体的薄膜形成过程和(ii)等离子体离子注入工艺。