RADIATION DETECTOR

摘要

Provided is a radiation detector which comprises a housing having a recessed portion for accommodating an electrode and formed to allow a gas to flow out of the recessed portion after flowing into the recessed portion; a cover coupled to the housing to cover the recessed portion, having an opening for allowing radiation to reach the recessed portion, and having a groove formed on the rear side thereof to surround the opening; a sealing member charged or inserted into the groove and arranged to surround the recessed portion; and a film arranged to cover the recessed portion, formed to seal the housing and the cover by being pressurized by the sealing member, and preventing the leakage of the gas while allowing the radiation to pass therethrough.