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    • 82. 发明授权
    • Deliberate semiconductor film variation to compensate for radial processing differences, determine optimal device characteristics, or produce small productions
    • 有意识的半导体薄膜变化来补偿径向处理差异,确定最佳的器件特性,或产生小的生产
    • US06344416B1
    • 2002-02-05
    • US09523480
    • 2000-03-10
    • Toshiharu FurukawaMark C. HakeySteven J. HolmesDavid V. Horak
    • Toshiharu FurukawaMark C. HakeySteven J. HolmesDavid V. Horak
    • H01L21311
    • H01L22/20C23C16/04C23C16/513C23C16/52H01L21/31053H01L21/31116H01L21/32137H01L21/76229H01L21/8234Y10S438/911
    • Methods and apparatuses are disclosed that can introduce deliberate semiconductor film variation during semiconductor manufacturing to compensate for radial processing differences, to determine optimal device characteristics, or produce small production runs. The present invention radially varies the thickness and/or composition of a semiconductor film to compensate for a known radial variation in the semiconductor film that is caused by performing a subsequent semiconductor processing step on the semiconductor film. Additionally, methods and apparatuses are disclosed that can introduce deliberate semiconductor film variations to determine optimal device characteristics or produce small production runs. Introducing semiconductor film variations, such as thickness variations and/or composition variations, allow different devices to be made. A number of devices may be made having variations in semiconductor film. Because the semiconductor film has variations between the devices, device characteristics of the devices should be different. By measuring the device characteristics of devices having the variations, the device with the optimum device characteristic may be chosen, thereby indicating the appropriate semiconductor film thickness and/or composition. Moreover, small production runs of the same devices, having different characteristics, will allow the end user to select the appropriate devices for their needs.
    • 公开了可以在半导体制造期间引入有意的半导体膜变化以补偿径向处理差异,确定最佳器件特性或产生小的生产运行的方法和装置。 本发明径向地改变半导体膜的厚度和/或组成,以补偿半导体膜中已知的半导体膜的径向变化,这是通过在半导体膜上进行随后的半导体处理步骤引起的。另外,公开了可以 引入有意识的半导体薄膜变化以确定最佳的器件特性或产生小的生产运行。 引入半导体薄膜变化,例如厚度变化和/或组成变化,允许制造不同的装置。 可以制造多个器件,其具有半导体膜的变化。 因为半导体薄膜在器件之间有变化,所以器件的器件特性应该是不同的。 通过测量具有变化的器件的器件特性,可以选择具有最佳器件特性的器件,从而指示适当的半导体膜厚度和/或组成。 此外,相同设备的小生产运行具有不同的特性,将允许最终用户根据需要选择适当的设备。