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    • 3. 发明授权
    • Ultra-clean wafer chuck assembly for moisture-sensitive processes
conducted in rapid thermal processors
    • 用于在快速热处理器中进行湿敏工艺的超清洁晶片卡盘组件
    • US06069095A
    • 2000-05-30
    • US137853
    • 1998-08-21
    • Asad M. Haider
    • Asad M. Haider
    • H01L21/00H01L21/26H01L21/336H01L21/44
    • H01L21/67115
    • A method of thermal processing of semiconductor wafers during device fabrication wherein there is provided a processing chamber for thermal processing of a semiconductor wafer having a component-containing surface and an opposing backside. A retainer is provided for retaining the wafer within the chamber whereby the wafer, when retained by the retainer, forms an enclosed space in the chamber with the backside. A wafer is retained in the chamber with the retainer and the wafer is heated. Concurrent with the heating of the wafer, the fluid content of the enclosed space is continually removed while the wafer is in the processing chamber. The fluid content of the space which was the enclosed space is continually removed while the wafer is removed from the chamber after completion of the heating cycle thereon. The continual removal of fluid content can comprise purging the enclosed space with a moving gas inert to the materials in the chamber or the application of a vacuum to the enclosed space. The vacuum can be formed by providing a Venturi. A gas inert to the materials in the chamber is also passed over the component-containing surface.
    • 一种在器件制造期间半导体晶片的热处理方法,其中提供了用于具有含元件表面和相对背面的半导体晶片的热处理的处理室。 提供保持器用于将晶片保持在室内,由此当由保持器保持时晶片在具有背面的腔室中形成封闭空间。 晶片通过保持器保持在腔室中,并且晶片被加热。 与晶片的加热同时,当晶片处于处理室中时,封闭空间的流体含量被连续地移除。 在完成加热循环之后将晶片从腔室中取出时,连续地除去作为封闭空间的空间的流体含量。 持续去除流体内容物可以包括用对室中的材料惰性的移动气体或向封闭空间施加真空来清洗封闭空间。 可以通过提供文丘里管来形成真空。 对室中的材料惰性的气体也通过含元件的表面。