Patent ID: 6435809
Filing Date: 2002-08-20
Classification: H01L,Y10S

Abstract:
A method of moving a thin planar article comprising the steps of:extending a first transfer arm in a rectilinear direction from an article transfer position to an article lifting position, said arm having a portion configured to lift said article; lifting an article from a first support with said portion; retracting the arm with said article in a rectilinear direction to said transfer position; positioning a second transfer arm in a retracted position, with a portion of said second arm being configured to lift said article without vertically moving the second arm and being closely spaced above said article on said first arm portion; transferring the article from the first arm to the second transfer arm while both arms are in said retracted position; extending the second transfer arm in a rectilinear direction away from the transfer position to a new position; depositing the article on a second support at the new position; and retracting the second transfer arm in a linear direction to the transfer position.