Patent ID: 6655898
Filing Date: 2003-12-02
Classification: H01L,Y10S

Abstract:
A hoist jig, comprising:a vertically upright center member having a first surface and a second surface; a base coupled to the center member; a first support arm coupled in a vertically slideable relationship to the first surface of the center member, the first support arm being configured to receive a first wafer storage container; a second support arm coupled in a vertically slideable relationship to the second surface of the center member, the second support arm being configured to receive a second wafer storage container; and a cycle mechanism that is operable to cycle the first wafer storage container and the second wafer storage container in a vertical up-and-down motion; wherein the cycle mechanism is further operable to maintain the first wafer storage container and the second wafer storage container in a counterbalanced relationship with each other; and wherein the cycle mechanism includes a motor.