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    • 15. 发明授权
    • Hybrid ceramic electrostatic clamp
    • 混合陶瓷静电夹
    • US06754062B2
    • 2004-06-22
    • US10085571
    • 2002-02-27
    • Joseph LoganJohn R. MillerMahmood NaimRobert E. Tompkins
    • Joseph LoganJohn R. MillerMahmood NaimRobert E. Tompkins
    • H01T2300
    • H02N13/00
    • The invention is a hybrid chuck for securing workpieces with an electrostatic charge. The hybrid chuck includes a dielectric base for supporting the hybrid chuck. The dielectric base has a top surface and a conductive layer covers at least a portion of the top surface of the dielectric base. The conductive layer is conductive for receiving a current that creates an electrostatic charge and is non-metallic for maintaining the electrostatic charge without significant eddy current losses in the presence of dynamic electromagnetic fields. The top working surface covers the conductive layer and is flat for holding workpieces upon the receiving of the current to create the electrostatic charge in the conductive layer.
    • 本发明是用于用静电荷固定工件的混合卡盘。 混合卡盘包括用于支撑混合卡盘的电介质基座。 电介质基底具有顶表面,并且导电层覆盖电介质基底的顶表面的至少一部分。 导电层是导电的,用于接收产生静电电荷的电流,并且是非金属的,用于在存在动态电磁场的情况下保持静电电荷而没有显着的涡流损耗。 顶部工作表面覆盖导电层,并且在接收电流时保持工件是平坦的,以在导电层中产生静电电荷。
    • 17. 发明授权
    • Extended life capacitor and method
    • 延长寿命的电容器和方法
    • US4683516A
    • 1987-07-28
    • US894673
    • 1986-08-08
    • John R. Miller
    • John R. Miller
    • H01G11/54H01G9/08H01G11/08H01G11/10H01G11/12H01G11/22H01G11/52H01G11/58H01G11/74H01G11/78H01G11/80H01G11/82H01G4/38H01G9/00
    • H01G9/08Y02E60/13
    • An extended life capacitor is disclosed in which an enclosing body is made from a tantalum can and tantalum cap and enclosing a plurality of double layer capacitor cells. Each of the capacitor cells includes a conductive material, such as activated carbon, with an aqueous electrolyte therein such as dilute sulfuric acid. In the preferred embodiment, this is about 38% by weight of sulfuric acid, and the remainder water. Lead-ins are provided to make electronic connection to the two ends of the capacitor cell stack as anode and cathode electrodes. The entire unit is hermetically sealed to inhibit the loss of electrolyte from the capacitor body to less than 2% per year, and the electrodes are at least partly coated with a noble metal such as gold to limit the establishment of a spurious capacitor which would be in series with the stack of plurality cells, which would otherwise greatly decrease the capacity of the entire unit.
    • 公开了一种延长寿命的电容器,其中封闭体由钽罐和钽帽制成,并且包围多个双层电容器电池。 每个电容器单元包括诸如活性炭的导电材料,其中含有诸如稀硫酸的含水电解质。 在优选的实施方案中,其为约38重量%的硫酸,其余为水。 提供引线用于使电容器电池组的两端电连接为阳极和阴极。 整个单元被气密密封,以将电解质从电容器体的损失抑制到每年小于2%,并且电极至少部分地涂覆有贵金属如金,以限制寄生电容的建立 与多个单元的堆叠串联,否则将大大降低整个单元的容量。
    • 18. 发明授权
    • Gear shaping machine
    • 齿轮成型机
    • US4606682A
    • 1986-08-19
    • US651180
    • 1984-09-17
    • John R. Miller
    • John R. Miller
    • B23F5/16B23F9/08
    • B23F5/16Y10T409/102862Y10T409/10318Y10T409/10477Y10T409/105247Y10T409/10636
    • A gear shaping machine includes a cutter mounted at the lower end of a spindle and a worm gear surrounding the spindle. A first guide is provided on the spindle and has axially extending guide flutes formed thereon. A second guide is disposed in surrounding relation to the spindle and has axially extending guide grooves formed in an inner surface for sliding engagement with the spindle guide flutes and helically advancing guide flutes formed in its outer surface for engaging corresponding guide flutes formed in the inner surface of the worm gear. A first adjustable eccentric is coupled to the spindle for controlling the vertical movement thereof and a second adjustable eccentric is coupled to the second guide for selectively controlling its vertical movement.
    • 齿轮成型机包括安装在主轴下端的刀具和围绕主轴的蜗轮。 第一引导件设置在主轴上并且在其上形成有轴向延伸的导槽。 第二引导件围绕主轴设置并且具有形成在内表面中的轴向延伸的引导槽,用于与主轴引导凹槽滑动接合,并且形成在其外表面中的螺旋前进的引导槽,用于接合形成在内表面中的相应引导槽 的蜗轮。 第一可调节偏心件联接到主轴以控制其垂直运动,并且第二可调节偏心联接到第二引导件以选择性地控制其垂直运动。