Ex parte LIU et al. - Page 11




          Appeal No. 1998-1472                                      Page 11           
          Application No. 08/427,721                                                  


               The appellants argue, “the combined teachings of                       
          Bjorklund and Takeda lack the plane-wave light beam and                     
          counterpropagating focused light beam elements claimed ....”                
          (Appeal Br. at 11.)  The examiner replies, “As previously                   
          argued above, Takeda does in fact disclose a plane-wave                     
          reference beam 25'.  Further, Bjorklund, like the arguments                 
          presented for Takeda, does in fact teach a counter-propagating              
          focused beam #1.”  (Examiner’s Answer at 6.)                                


               Like claims 1-3, claims 4, 5, 96-99, 101, and 174 each                 
          specify in pertinent part the following limitations: “creating              
          the holographic grating at any one of the plural locations                  
          within the disk via a plane-wave light beam in conjunction                  
          with a counterpropagating focused light beam.”  Similarly,                  
          like claims 34, 35, and 178, claims 106-110, 114-116, and 175-              
          178 each specify in pertinent part the following limitations:               
          “creating a holographic grating at selected ones of the plural              
          locations within the disk using a plane-wave light beam in                  
          conjunction with a counterpropagating focused light beam.”                  
          Accordingly, claims 1-5, 34, 35, 96-99, 101, 106-110, 114-116,              









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