摘要 |
A gas adsorption filter located over a breathing hole within a semi airtight container, wherein the gas adsorption filter has an opening that is connected with and open to the breather hole and, comprises a base material for attaching the filter to the inner wall of the container and a gas adsorption body that is laminated and fixed to the gas flow path surface of the base material, and on the gas contact surface on the side where the gas adsorption body is in contact with the gas flow path surface of the base material, there is at least one gas inflow orifice that is connected to the opening of the base material, and at least one gas discharge orifice that is connected to the outside of the gas adsorption body, and a groove section is formed that is connected to the gas inflow orifice and the gas discharge orifice.
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