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    • 22. 发明授权
    • Apparatus and method for plasma processing high-speed semiconductor circuits with increased yield
    • 用于等离子体处理高速半导体电路的装置和方法,其产量增加
    • US06867144B2
    • 2005-03-15
    • US10138635
    • 2002-05-06
    • Yutaka OhmotoHironobu KawaharaKen YoshiokaKazue TakahashiSaburou Kanai
    • Yutaka OhmotoHironobu KawaharaKen YoshiokaKazue TakahashiSaburou Kanai
    • H01L21/3065H01J37/32H01L21/302
    • H01J37/32706
    • A plasma etching method of a wafer includes the steps of electrostatically attracting the wafer which has a gate oxide film onto a wafer mounting electrode in a vacuum processing chamber, introducing a mixed gas into the vacuum processing chamber on the basis of an etching recipe, generating a magnetic field inside the vacuum processing chamber, generating a plasma in the vacuum processing chamber, applying a bias power to the wafer to accelerate ions in the plasma toward the wafer, and setting an impedance of a portion of the wafer mounting electrode which corresponds to an outer periphery of the wafer as viewed from a bias power supply to a value which is greater than that of a center portion of the wafer mounting electrode using an electrode arranged within the wafer mounting electrode at a position corresponding to the outer periphery of the wafer and formed under an insulating film for electrostatically attracting the wafer.
    • 晶片的等离子体蚀刻方法包括以下步骤:将具有栅极氧化膜的晶片静电吸引到真空处理室中的晶片安装电极上,基于蚀刻配方将混合气体引入真空处理室,产生 真空处理室内部的磁场,在真空处理室内产生等离子体,向晶片施加偏置功率,将等离子体中的离子加速朝向晶片,将晶片安装电极的一部分的阻抗设定为对应于 从晶片安装电极的晶片安装电极的对应于晶片外周的位置的晶片安装电极的晶片安装电极的中心部分的角度看,晶片的外周是从偏压电源观察到的值 并形成在用于静电吸引晶片的绝缘膜下。
    • 23. 发明授权
    • Plasma processing apparatus
    • 等离子体处理装置
    • US08940128B2
    • 2015-01-27
    • US12853427
    • 2010-08-10
    • Yusaku SakkaRyoji NishioKen Yoshioka
    • Yusaku SakkaRyoji NishioKen Yoshioka
    • C23C16/505H01J37/32C23C16/507H05H1/46H05H1/36
    • H05H1/46H01J37/321H01J37/3211H01J37/32651H05H2001/463
    • The invention aims at suppressing the self bias generated at the surface of the inner wall of the vacuum processing chamber, to thereby suppress the chipping of the inner wall surface of the vacuum processing chamber or the consumption of the inner parts of the vacuum processing chamber. The present invention provides a plasma processing apparatus comprising a vacuum processing chamber, a vacuum processing chamber lid sealing an upper portion of the vacuum processing chamber, an induction antenna, a Faraday shield disposed between the induction antenna and the vacuum processing chamber lid, and a high frequency power supply for supplying high frequency power to the induction antenna, wherein the induction antenna is divided into two or more parts, the Faraday shield is divided into a division number corresponding to the division number of the induction antenna, and high frequency voltages are applied thereto via a matching box from the one high frequency power supply.
    • 本发明旨在抑制在真空处理室的内壁表面产生的自偏压,从而抑制真空处理室的内壁表面的碎裂或真空处理室的内部部分的消耗。 本发明提供一种等离子体处理装置,其包括真空处理室,密封真空处理室的上部的真空处理室盖,感应天线,设置在感应天线和真空处理室盖之间的法拉第屏蔽,以及 用于向感应天线提供高频电力的高频电源,其中感应天线被分成两部分或更多部分,法拉第屏蔽被分成对应于感应天线的分割数的分频数,高频电压是 通过匹配盒从一个高频电源施加到其上。
    • 24. 发明申请
    • Plasma Processing Apparatus
    • 等离子体处理装置
    • US20100263796A1
    • 2010-10-21
    • US12783686
    • 2010-05-20
    • Manabu EdamuraGo MiyaKen Yoshioka
    • Manabu EdamuraGo MiyaKen Yoshioka
    • H01L21/465C23F1/08C23C16/00
    • H01J37/321
    • A plasma processing apparatus includes a processing chamber, a sample stage for mounting an object to be processed, a power supply, and at least one induction coil connected to the power supply. The induction coil is formed by connecting at least two identical coil elements in a parallel circuit-like arrangement so that current flows in each of the plurality of identical coil elements in a same direction when viewed from the sample stage. The induction coil is positioned so that a center thereof corresponds to a center of the object, and input ends of the coil elements are displaced circumferentially at equal angular intervals calculated by dividing 360° by the number of identical coil elements.
    • 等离子体处理装置包括处理室,用于安装待加工物体的样品台,电源以及连接到电源的至少一个感应线圈。 感应线圈通过以并联电路状布置连接至少两个相同的线圈元件而形成,使得当从样品台观察时,电流以相同的方向在多个相同的线圈元件中的每一个中流动。 感应线圈被定位成使得其中心对应于物体的中心,并且线圈元件的输入端部以相等的角度间隔沿圆周方向移位,其通过将360°除以相同线圈元件的数量而计算。
    • 28. 发明申请
    • Plasma processing apparatus
    • 等离子体处理装置
    • US20050224182A1
    • 2005-10-13
    • US10921341
    • 2004-08-19
    • Manabu EdamuraGo MiyaKen Yoshioka
    • Manabu EdamuraGo MiyaKen Yoshioka
    • H05H1/46C23F1/00H01J37/32H01L21/205H01L21/3065
    • H01J37/321
    • The invention provides an inductively coupled plasma apparatus capable of disposing a parallel coil with a large number of total turns in a relatively small space. The present plasma processing apparatus comprises a processing chamber for subjecting an object to plasma processing, an inlet means for introducing a processing gas into the processing chamber, an evacuation means for evacuating an interior of the processing chamber, a sample stage for placing the object, a power supply means for generating plasma, and at least one induction coil connected to the power supply means, wherein the induction coil is formed by connecting a plurality of identical coil elements 101 in a parallel circuit-like arrangement, the induction coil being positioned so that its center corresponds to a center of the object, and wherein input ends 101 in of the coil elements 101 are arranged at equal angular intervals calculated by dividing 360° by the number of coil elements, the coil elements having a three-dimensional structure in a radial direction and a height direction along a surface of an annular ring with an arbitrary cross-sectional shape.
    • 本发明提供一种电感耦合等离子体装置,其能够在相对较小的空间中设置具有大量总匝数的平行线圈。 本等离子体处理装置包括用于对物体进行等离子体处理的处理室,用于将处理气体引入处理室的入口装置,用于抽出处理室内部的抽空装置,用于放置物体的样品台, 用于产生等离子体的电源装置和连接到电源装置的至少一个感应线圈,其中感应线圈通过以并联电路状布置连接多个相同的线圈元件101而形成,感应线圈定位成 其中心对应于物体的中心,并且其中线圈元件101中的输入端101a以360度乘以线圈元件的数量计算的等角度间隔布置,线圈元件具有三维结构 沿着具有任意横截面形状的环形环的表面的径向方向和高度方向。