Ex parte NICHOLS et al. - Page 10




         Appeal No. 2000-1482                                     Page 10          
         Application No. 08/995,706                                                


         difference would have been obvious to an artisan.  However,               
         this determination has not been supported by any evidence that            
         would have led an artisan to arrive at the claimed invention.             


              For the reasons set forth above, the decision of the                 
         examiner to reject claim 20, and claim 21 dependent thereon,              
         under 35 U.S.C. § 103 is reversed.                                        


         Claim 22                                                                  
              We will not sustain the rejection of claim 22 under                  
         35 U.S.C. § 103.                                                          


              Claim 22 recites a wafer transfer machine comprising,                
         inter alia, a base having a first portion upon which                      
         transferor carriers are supported and a second upon which                 
         receiver carriers are supported; a transfer arm moveable along            
         a longitudinal axis at least over the first portion of the                
         base; and a wafer contact surface selectively defined by                  
         interchangeable first and second wafer transfer plates                    
         mountable to the transfer arm, the second transfer plate                  









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