The Institute of Physical and Chemical Research

Takane Kobayashi

Masakazu Aono

From an ion source and accelerator an ion beam is generated, this ion beam is let go through a circular hole bored in the center of a detector and orifices to irradiate a sample in a sample chamber. The detector detects particles scattered from the sample and arrived at the detector through the orifices. With exhaust units and orifices, the region surrounding the detector is exhausted to be a prescribed degree of vacuum of higher vacuum than the inside of the sample chamber.

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Wako, Japan

Takane Kobayashi