Patent ID: 8689812
Filing Date: 2014-04-08
Classification: H01L,Y10S,Y10T

Abstract:
1. A method, comprising: flowing a gas via a first port having a concentric area formed by a first seal, a second seal and a center opening in a door of a substrate carrier to create a pressure inside the substrate carrier greater than a pressure outside the substrate carrier wherein the second seal is positioned around the first seal defining the area concentric to the center opening between the first and second seals, wherein flowing the gas into the substrate carrier is from the group consisting of before the door is open, during the opening of the door, or after the door is opened and wherein flowing the gas into the substrate carrier via the first port includes applying a vacuum force to the concentric area to counteract a force generated by flowing the gas into the substrate carrier that is exerted on the door; and opening the door of the substrate carrier to allow the gas to flow out of the substrate carrier via a door opening.