Knobbe, Martens, Olson & Bear, LLP
Gathering and sampling device and inspection apparatus
A sampling device and an inspection apparatus are disclosed. In one aspect, an example gathering and sampling device includes a cylindrical outer housing and an inner housing disposed within the cylindrical outer housing, a cyclone chamber is formed between the cylindrical outer housing and the inner housing to generate a cyclone by injecting a gas flow into the cyclone chamber. The gathering and sampling device further includes an outer chamber body, and a plurality of gas injection orifices formed in the first inner housing end opening of the inner housing and configured to inject a gas towards a substantial center of a circular region defined by an end face of the first outer housing end opening of the cylindrical outer housing.
Tsinghua University Nuctech Company Limited
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Linxia Ge Biao Yuanjing Qingjun Qiufeng Ziran
Tan Li Cao Li Zhang Ma Zhao