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    • 1. 发明授权
    • Method and apparatus for plasma processing
    • 等离子体处理方法和装置
    • US06676804B1
    • 2004-01-13
    • US09720910
    • 2001-01-02
    • Chishio KoshimizuHiroyuki IshiharaKimihiro HiguchiKoji Maruyama
    • Chishio KoshimizuHiroyuki IshiharaKimihiro HiguchiKoji Maruyama
    • H05H100
    • H01L21/6831H01J37/32623H01J37/32642H01J2237/2001H01L21/67248Y10S156/915
    • An electrostatic chuck 108 is provided on a lower electrode 106 provided inside a processing chamber 102 of an etching apparatus 100, and a conductive inner ring body 112a and an insulating outer ring body 112b are encompassing the outer edges of a wafer W mounted on the chuck surface. The temperatures of the wafer W and the inner and outer ring bodies 112a and 112b are detected by first˜third temperature sensors 142, 144 and 146. A controller 140 controls the pressure levels of He supplied to the space between the center of the wafer W and the electrostatic chuck 108 via first gas outlet ducts 114 and to the space between the outer edges of the wafer W and the electrostatic chuck 108 via second gas outlet ducts 116 and the quantity of heat generated by a heater 148 inside the outer ring body 112b based upon the information on the temperatures thus detected so that the temperatures of the wafer W and the inner ring body 112a are set roughly equal to each other.
    • 静电吸盘108设置在设置在蚀刻装置100的处理室102内的下电极106上,并且导电内环体112a和绝缘外环体112b包围安装在卡盘上的晶片W的外边缘 表面。 晶片W和内外环体112a和112b的温度由第一至第三温度传感器142,144和146检测。控制器140控制供应给晶片W的中心之间的空间的He的压力水平 以及静电卡盘108经由第一气体出口管道114以及经由第二气体出口管道116和晶片W的外边缘与静电卡盘108之间的空间以及外环体112b内的加热器148产生的热量 基于如此检测的温度的信息,使得晶片W和内环体112a的温度大致相等。
    • 3. 发明授权
    • Plasma processing apparatus and plasma processing method
    • 等离子体处理装置和等离子体处理方法
    • US07335278B2
    • 2008-02-26
    • US10675966
    • 2003-10-02
    • Chishio KoshimizuHiroyuki IshiharaKimihiro HiguchiKoji Maruyama
    • Chishio KoshimizuHiroyuki IshiharaKimihiro HiguchiKoji Maruyama
    • H01L21/00C23C16/00C23C14/00
    • H01L21/6831H01J37/32623H01J37/32642H01J2237/2001H01L21/67248Y10S156/915
    • An electrostatic chuck 108 is provided on a lower electrode 106 provided inside a processing chamber 102 of an etching apparatus 100, and a conductive inner ring body 112a and an insulating outer ring body 112b are encompassing the outer edges of a wafer W mounted on the chuck surface. The temperatures of the wafer W and the inner and outer ring bodies 112a and 112b are detected by first˜third temperature sensors 142, 144 and 146. A controller 140 controls the pressure levels of He supplied to the space between the center of the wafer W and the electrostatic chuck 108 via first gas outlet ducts 114 and to the space between the outer edges of the wafer W and the electrostatic chuck 108 via second gas outlet ducts 116 and the quantity of heat generated by a heater 148 inside the outer ring body 112b based upon the information on the temperatures thus detected so that the temperatures of the wafer W and the inner ring body 112a are set roughly equal to each other.
    • 静电吸盘108设置在设置在蚀刻装置100的处理室102内部的下部电极106上,并且导电内圈主体112a和绝缘外圈主体112b围绕安装在晶片W的外边缘 卡盘表面。 晶片W和内外环体112a和112b的温度由第一至第三温度传感器142,144和146检测。控制器140控制供应给第一至第三温度传感器142,144和146的中心之间的空间的He的压力水平 晶片W和静电卡盘108经由第一气体出口管114以及经由第二气体出口管道116与晶片W的外边缘和静电卡盘108之间的空间以及由外部环内的加热器148产生的热量 基于关于如此检测的温度的信息,使得晶片W和内环体112a的温度大致相等。
    • 10. 发明授权
    • Method of plasma processing
    • 等离子体处理方法
    • US07183219B1
    • 2007-02-27
    • US09869277
    • 1999-12-21
    • Kiichi HamaHiroyuki IshiharaAkinori Kitamura
    • Kiichi HamaHiroyuki IshiharaAkinori Kitamura
    • H01L21/302H01L21/3065
    • H01J37/3299H01L21/31116
    • An SiO2 film layer formed at a wafer placed inside a process chamber of an etching device is etched by generating plasma from a process gas containing fluorocarbon which has been introduced into the process chamber. The contents of an etchant and the byproducts are measured through infrared laser absorption analysis. The individual contents thus measured are compared with the contents of the etchant and the byproducts in the plasma corresponding to the increase in the aspect ratio of a contact hole set in advance. The quantity of O2 added into the process gas is adjusted to match the measured contents with the predetermined contents. The quantity of O2 added into the process gas is continuously increased as the aspect ratio becomes higher. As a result, a contact hole is formed at the SiO2 film layer without damaging the photoresist film layer or inducing an etch stop.
    • 在放置在蚀刻装置的处理室内的晶片上形成的SiO 2膜层通过从已经被引入到处理室中的含有碳氟化合物的工艺气体产生等离子体来蚀刻。 通过红外激光吸收分析测量蚀刻剂和副产物的含量。 将如此测量的各个内容与预先设定的接触孔的纵横比的增加相对应的等离子体中的蚀刻剂和副产物的含量进行比较。 调整添加到处理气体中的O 2 2的量以使测量的内容与预定内容相匹配。 加入到工艺气体中的O 2 2的量随着纵横比变高而不断增加。 结果,在SiO 2膜层处形成接触孔,而不损害光致抗蚀剂膜层或引起蚀刻停止。