Patent ID: 7810645

Claim:
A platform securely mounting a wafer cassette holder thereon in a semiconductor manufacturing environment comprising: a platform having a flat top surface larger than and engaging with a flat bottom surface of said wafer cassettes holder, and securing means mounted in said flat top surface of the platform, said securing means positionable to engage said wafer cassette holder to prevent said wafer cassette holder from slipping off said platform, wherein said securing means comprises one engagement pin mounted on each one of four sides of said flat top surface of the platform, and each of said engagement pins being mounted in a slot opening disposed within said flat top surface, said engagement pins adapted to simultaneously frictionally engage and simultaneously disengage said wafer cassette holder by simultaneously slidingly moving the pins in said slot opening between a disengaged position and an engaged position, said frictional engagement between each of said engagement pins and a sidewall of said wafer cassette holder.