Patent ID: 8220630

Claim:
A reticle pod, in which a reticle is fastened in an inner container and said inner container is placed in an outer container, said outer container comprising: a lower cover of said outer container, having a first inner surface, a plurality of first supporters being formed on said first inner surface; an upper cover of said outer container, having a second inner surface, a plurality of second supporters being formed on said second inner surface, said first inner surface and said second inner surface forming a first accommodation space for accommodating said inner container when said lower cover of outer container and said upper cover of outer container are joined together; and said inner container comprising: a lower cover of said inner container, being disposed in said first accommodation space and being in contact with said plurality of first supporters, said lower cover of inner container having a first inner space of said inner container; and an upper cover of said inner container, being in said first accommodation space and having a second inner surface of said inner container and an outer surface of said upper cover of inner container which is on opposite side of said second inner surface, said first inner surface of inner container and said second inner surface of inner container forming a second accommodation space for accommodating said reticle when said lower cover of inner container and said upper cover of inner container are joined together, wherein, the characteristic of said upper cover of inner container is in that: a plurality of through holes are formed between said second inner surface and said outer surface of said upper cover of inner container, an O-shaped recess being formed around each of said plurality of through holes to surround said through hole, and a spring element being disposed in said O-shaped recess; and a plurality of retainers are disposed in said plurality of through holes, the position of each of said plurality of retainers corresponding to each of said second supporters of said upper cover of outer container, each of said retainers being formed by a supporting convex pillar and an O-shaped protruding portion correspondingly disposed in said O-shaped recess, length of said supporting convex pillar being larger than length of said O-shaped protruding portion and said supporting convex pillar and said O-shaped protruding portion being an integrated structure, wherein, said O-shaped protruding portion is in said O-shaped recess and said O-shaped protruding portion is in contact with said spring element.