Ex Parte Mulligan et al - Page 15



          Appeal No. 2004-0999                                                        
          Application No. 09/997,086                                                  

          Examiner has not established a prima facie case of obviousness              
          since the combination suggested by the Examiner does not teach or           
          suggest "forming at least one wide trench through said                      
          microelectronic device wafer interconnect layer within said at              
          least one dicing street" as required in independent claim 15.               
          Therefore, we have not sustained the Examiner's rejection of                
          claims 15, 19, and 20.                                                      
                             Rejection of Claim 16                                    
               Dependent claim 16 is rejected under 35 U.S.C. § 103 as                
          being obvious over Ibnabdeljalil in view of Igarashi and further            
          in view of Kroeninger.  We find that Kroeninger teaches laser               
          cutting to form trenches as Examiner pointed out on page 8 of the           
          answer.  However, Kroeninger does not teach forming at least one            
          trench through an interconnect layer.  Consequently, the                    
          combination of Ibnabdeljalil, Mori, and Kroeninger does not teach           
          or suggest "forming at least one wide trench through said                   
          microelectronic device wafer interconnect layer within said at              
          least one dicing street" required in claim 16.  Therefore, we               
          will not sustain the rejection of claim 16.                                 



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