Patent ID: 6507029
Filing Date: 2003-01-14
Classification: B82Y,H01J

Abstract:
A sample processing apparatus for removing through light irradiation a charge accumulated on a sample, comprising:a process chamber for processing a sample by charged particles, said sample having an insulation layer formed on a surface of said sample; a preparation chamber for preparing said sample to be delivered to said process chamber or extracted from said process chamber; a chucking stage for electrostatically chucking said sample; a light source installed in said preparation chamber for irradiating light for exciting electrons in the insulation layer of said sample after said sample is processed in said process chamber by said charged particles and said sample is transferred from said process chamber to said preparation chamber; and earth electrodes for contacting the surface of said sample when said sample is irradiated by the light from said light source in said preparation chamber and the removing of the charge accumulated on the surface of said sample.