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    • 1. 发明授权
    • Method of setting thickness of dielectric and substrate processing apparatus having dielectric disposed in electrode
    • 设置在电极中的电介质和具有电介质的衬底处理装置的厚度的方法
    • US08426318B2
    • 2013-04-23
    • US13171703
    • 2011-06-29
    • Jun OyabuTakashi Kitazawa
    • Jun OyabuTakashi Kitazawa
    • H01L21/3065C23F1/08
    • H01J37/32091H01J37/32165H01J37/3255
    • Provided is a method of setting a thickness of a dielectric, which restrains the dielectric formed in an electrode from being consumed when etching a silicon dioxide film on a substrate by using plasma. In a substrate processing apparatus including an upper electrode facing a susceptor and the dielectric formed of silicon dioxide in the upper electrode, a silicon dioxide film formed on a wafer being etched by using plasma, an electric potential of the plasma facing the dielectric in a case where the dielectric is not formed in the upper electrode is estimated based on a bias power applied to the susceptor and an A/C ratio in a chamber, and the thickness of the dielectric is determined so that an electric potential of the plasma, which is obtained by multiplying the estimated electric potential of the plasma by a capacity reduction coefficient calculated when a capacity of the dielectric and a capacity of a sheath generated around a surface of the dielectric are combined, is 100 eV or less.
    • 提供了一种设置电介质的厚度的方法,其通过使用等离子体来蚀刻在基板上的二氧化硅膜时抑制在电极中形成的电介质被消耗。 在包括面对基座的上电极和在上电极中由二氧化硅形成的电介质的基板处理装置中,通过使用等离子体蚀刻在晶片上形成的二氧化硅膜,在等离子体中面向电介质的等离子体的电位 基于施加到基座的偏置功率和室内的A / C比来估计在上部电极中未形成电介质的电介质,并且确定电介质的厚度,使得等离子体的电位 通过将等离子体的估计电位乘以当电介质的容量和围绕电介质的表面周围产生的护套的容量组合时计算的容量降低系数为100eV以下。
    • 6. 发明授权
    • Motor control apparatus
    • 电机控制装置
    • US07589488B2
    • 2009-09-15
    • US11632296
    • 2005-07-11
    • Takashi KitazawaKazuhide TakaoYasuyuki Takei
    • Takashi KitazawaKazuhide TakaoYasuyuki Takei
    • G05B11/42
    • H02P23/18
    • There is provided a motor control apparatus for setting, changing, resetting a control gain or a notch filter frequency Nf without using a parameter inputting apparatus, considerably reducing a procedure required in adjustment of the gain which has been needed from introducing the motor control apparatus until normal operation thereof, and capable of being simply dealt with even by an unskilled person.There is constructed a simple constitution including 2 pieces of rotary switches (1, 2) which are inexpensive and provided with small mounting areas as an input setting apparatus and 5 of LED (5) as a display apparatus, selecting a gain by a contact of the rotary switch, automatically setting a machine resonance filter frequency by detecting a generated vibration frequency, and only changing the rotary switch for temporarily releasing and resetting the control gain or the notch filter frequency Nf.
    • 提供了一种用于在不使用参数输入装置的情况下设置,改变,重置控制增益或陷波滤波器频率Nf的电动机控制装置,显着地减少了从引入电动机控制装置直到调节所需的增益所需的程序,直到 正常操作,并且能够由不熟练的人简单地处理。 构成了一种简单的结构,它包括两个便宜的旋转开关(1,2),并且具有作为输入设定装置的小安装区域和作为显示装置的LED(5)的5个,通过接触来选择增益 旋转开关,通过检测所产生的振动频率来自动设定机器共振滤波器频率,并且仅改变用于暂时释放和重置控制增益或陷波滤波器频率Nf的旋转开关。
    • 10. 发明申请
    • SUBSTRATE MOUNTING TABLE OF SUBSTRATE PROCESSING APPARATUS
    • 基板加工装置基板安装台
    • US20110116207A1
    • 2011-05-19
    • US12947214
    • 2010-11-16
    • Tetsuji SATOTakashi KitazawaAkihiro Yoshimura
    • Tetsuji SATOTakashi KitazawaAkihiro Yoshimura
    • H01L21/683
    • H01L21/6831
    • A substrate mounting table of a substrate processing apparatus includes a base portion and a circular plate-shaped electrostatic chuck adhered to an upper surface of the base portion by an adhesive layer. The electrostatic chuck has a circular attracting surface to support a substrate. The substrate mounting table further includes an annular focus ring arranged around the electrostatic chuck to surround the substrate and to cover an outer peripheral portion of the upper surface of the base portion. The electrostatic chuck has a two-layer structure including an upper circular part and a lower circular part having a diameter larger than that of the upper circular part. An outer peripheral portion of the lower circular part and an outer peripheral portion of the adhesive layer adhering the lower circular part to the base portion are covered with the focus ring.
    • 基板处理装置的基板安装台包括基部和通过粘合层粘附到基部的上表面的圆形板状静电卡盘。 静电吸盘具有支撑衬底的圆形吸引表面。 基板安装台还包括围绕静电卡盘布置以围绕基板并覆盖基部的上表面的外周部分的环形聚焦环。 静电卡盘具有包括上部圆形部分和直径大于上部圆形部分的直径的下部圆形部分的两层结构。 下部圆形部分的外围部分和将下部圆形部分粘附到基部的粘合剂层的外周部分被聚焦环覆盖。