Patent ID: 8573264

Claim:
A reticle pod disposed with gas exchange structure, comprising an upper cover and a lower cover, said upper cover being formed by a cover and a first circumferential wall connected to said cover, said lower cover being formed by a base and a second circumferential wall connected to said base, an accommodation space being formed by said first circumferential wall and said second circumferential wall for accommodating and fastening a reticle substrate when said upper cover and said lower cover close and join with each other, at least a pair of upwardly protruding through holes being disposed on said base opposite to each other at a distance, the characteristic of said reticle pod being that a gas exchange structure is installed on said base of said lower cover, wherein said gas exchange structure comprises: a gas chamber base, four edges of which being connected to a third circumferential wall that extends upward; at least a pair of downwardly protruding through holes disposed on said gas chamber base opposite to each other at a distance, position of said plurality of downwardly protruding through holes corresponding to position of said plurality of upwardly protruding through holes; a first partition, having a first surface and a second surface opposite to said first surface, said first partition being disposed on said third circumferential wall and a gas chamber being formed between said second surface of said first partition and said gas chamber base, a gas channel being further formed on said first partition; and a second partition disposed on said first surface of said first partition, a gas flow guiding room being formed between said second partition and said first partition, square measure of said second partition being smaller than square measure of said first partition for gap to be formed between said second partition and said third circumferential wall; wherein said gas exchange structure is fastened to said base with said plurality of downwardly protruding through holes snap-fitting with said plurality of upwardly protruding through holes, gas channels being formed by said plurality of downwardly protruding through holes and said plurality of upwardly protruding through holes.