Patent ID: 7950524

Claim:
A wafer container, comprising a container body, a plurality of wafers being placed in said container body and an opening being formed on one sidewall of said container body for importing and exporting said plurality of wafers, a door for closing said opening of said container body, and a purging valve disposed in a through hole on said container body, wherein the characteristic of said wafer container is in that: said purging valve comprises a fixed sleeve body disposed in said through hole, said fixed sleeve body comprises a base with a lower opening formed at center of said base for a purging head to be installed therein, and said purging head has a vent disposed on its circumference wall, a valve lid being further disposed on top of said purging head for said purging head to move from a first position to a second position in said lower opening when being propped up by an upward external force; when said purging head being at said first position, said valve lid pressing said base of said fixed sleeve portion, and when said purging head being at said second position, a gap being formed between said valve lid and said base and said vent of said purging head communicating with said gap.