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    • 4. 发明申请
    • PLASMA PROCESSING METHOD AND PLASMA PROCESSING APPARATUS
    • 等离子体处理方法和等离子体处理装置
    • US20100004795A1
    • 2010-01-07
    • US12199838
    • 2008-08-28
    • Takehisa IWAKOSHIGo Saito
    • Takehisa IWAKOSHIGo Saito
    • G05D23/00G06F17/10
    • H01L21/67248H01J37/32935H01J37/3299
    • The invention provides a plasma processing apparatus capable of setting the temperature of the plasma processing chamber accurately to a specific state, and to perform highly accurate plasma processing while maintaining a constant plasma processing property. The plasma processing apparatus for subjecting a sample w to be processed to plasma processing within a plasma processing chamber 1 comprises a database 25 for correlating and storing the inner temperature of the plasma processing chamber 1 and the plasma generating condition, a model expression storage unit 26 for storing the correlating equation of the inner temperature of the plasma processing chamber 1 and the plasma generating condition from the database 25, and a computing machine 21 having an operation unit 24 for creating the correlation equation and the optimum plasma generating condition, further having a process monitor 31 for monitoring the condition of plasma processing, wherein the value output by the process monitor and the temperature of the plasma processing chamber are correlated and stored in the database 25, and the computing machine 21 computes a plasma processing condition capable of realizing a substantially constant plasma processing chamber temperature, based on which the plasma processing chamber performs plasma processing.
    • 本发明提供一种能够将等离子体处理室的温度精确地设定为特定状态的等离子体处理装置,并且在保持恒定的等离子体处理性的同时进行高精度的等离子体处理。 用于使等离子体处理室1内的待处理样品w进行等离子体处理的等离子体处理装置包括用于使等离子体处理室1的内部温度和等离子体生成条件相关和存储的数据库25,模型表达式存储单元26 用于存储等离子体处理室1的内部温度和来自数据库25的等离子体产生条件的相关方程式以及具有用于产生相关方程和最佳等离子体产生条件的操作单元24的计算机21,还具有 处理监视器31,用于监视等离子体处理的状态,其中由过程监视器输出的值和等离子体处理室的温度相关联并存储在数据库25中,并且计算机21计算能够实现 基本恒定的等离子体处理室温度,基于o n等离子体处理室进行等离子体处理。
    • 10. 发明授权
    • Method for manufacturing semiconductor devices
    • 制造半导体器件的方法
    • US07364956B2
    • 2008-04-29
    • US11209653
    • 2005-08-24
    • Go SaitoToshiaki NishidaTakahiro ShimomuraTakao Arase
    • Go SaitoToshiaki NishidaTakahiro ShimomuraTakao Arase
    • H01L21/336
    • H01L21/31122H01L21/28273H01L21/823437
    • A method for manufacturing semiconductor devices includes a step of etching a sample including an interlayer insulating layer containing Al2O3 and a polysilicon or SiO2 layer in contact with the interlayer insulating layer using a plasma etching system. The interlayer insulating layer is etched with a gas mixture containing BCl3, Ar, and CH4 or He. The gas mixture further contains Cl2. The interlayer insulating layer is etched in such a manner that a time-modulated high-frequency bias voltage is applied to the sample. The interlayer insulating layer is etched in such a manner that the sample is maintained at a temperature of 100° C. to 200° C. The interlayer insulating layer and the polysilicon or SiO2 layer are separately etched in different chambers.
    • 制造半导体器件的方法包括:蚀刻包括含有Al 2 O 3 3层和多晶硅或SiO 2 O 3的层间绝缘层的样品的步骤; 层,其使用等离子体蚀刻系统与层间绝缘层接触。 层间绝缘层用含有BCl 3,Ar和CH 4或He的气体混合物进行蚀刻。 气体混合物还含有Cl 2 O 2。 蚀刻层间绝缘层,使得对样品施加时间调制的高频偏置电压。 蚀刻层间绝缘层,使得样品保持在100℃至200℃的温度。层间绝缘层和多晶硅或SiO 2层分别在 不同的房间