US Patent 8206075 Methods and apparatus for sealing a chamber

In certain aspects, a load lock chamber is provided that includes a body having at least one sealing surface wall including a sealing surface. The sealing surface wall has an opening adjacent the sealing surface adapted to input or output a substrate. The body further includes a plurality of side walls. The load lock chamber also includes a top coupled to the body. The top includes one or more openings that divide the top into a first portion and a second portion. The load lock chamber further includes one or more top sealing members adapted to cover each opening of the top. Each top sealing member absorbs a movement of the first portion of the top relative to the second portion of the top. Numerous other aspects are provided.