Patent ID: 7927062

Claim:
A method of transferring substrates during electronic device manufacturing comprising: (a) providing an electronic device manufacturing system having: a transfer chamber; a processing chamber coupled to the transfer chamber; and a robot positioned within the transfer chamber and adapted to transfer substrates into and from the processing chamber, wherein the robot includes at least a first blade and a second blade each adapted to: support a substrate; move relative to each other; and extend into the processing chamber so as to place a substrate within or remove a substrate from the processing chamber; and (b) while the first blade is empty, extending the first blade into the processing chamber at a first speed to retrieve a first substrate from a substrate support of the processing chamber; (c) transferring the first substrate to the first blade from the substrate support of the processing chamber; (d) while the first blade supports the first substrate, retracting the first blade from the processing chamber at a second speed that is slower than the first speed; (e) while the second blade supports a second substrate, extending the second blade into the processing chamber at the second speed; (f) transferring the second substrate to the substrate support of the processing chamber; and (g) retracting the second blade from the processing chamber at the first speed only a distance required to clear obstacles during rotation.