Patent ID: 9666454
Date: 2017-05-30
CPC Classifications: H01L,Y10T

Claim:
1. A wafer storage apparatus comprising: a wafer stacking portion enclosing an internal space with an open front side to receive a plurality of wafers; a rear cover portion disposed on a back side of the wafer stacking portion; a gas charging portion that includes a plurality of gas supply blocks disposed on an inner side of the rear cover portion, a plurality of gas supply pipes disposed on an outer side of the rear cover portion and that are connected to the gas supply blocks via through holes in the rear cover portion, and a gas supply unit connected to the as supply pipes, a load port portion comprising a wafer container in which a plurality of wafers are stacked; an equipment front end module comprising a transfer robot that transfers wafers within the water container to a manufacturing process equipment or transfer wafers to the wafer container from the manufacturing process equipment; and a load lock chamber in a front end portion thereof that transfers just-manufactured wafers to the wafer storage apparatus, wherein the wafer storage apparatus is positioned on one side of the equipment front end module and transfers just-manufactured wafers from the manufacturing process equipment and stacks the wafers using the transfer robot.