Ex parte SAKASHITA et al. - Page 14




                 Appeal No. 1999-1098                                                                                                                   
                 Application 08/627,313                                                                                                                 


                 for arrangement of the cells and periphery therein."                                                                                   
                 (Emphasis added).  Hereto, as Appellants have provided a                                                                               
                 reason for the claimed arrangement, i.e., to reduce unequal                                                                            
                 signal delays due to different path lengths, the Examiner must                                                                         
                 provide evidence as to why one of ordinary skill in this art                                                                           
                 would have selected the claimed arrangement of memory blocks                                                                           
                 and peripheral circuits.  No such evidence is of record.                                                                               
                          Finally, as regards claim 13, the Examiner adds the Koike                                                                     
                 reference and notes  that it provides for an arrangement of17                                                                                                   
                 blocks wherein the long sides of one block are adjacent short                                                                          
                 sides of another block.  The Examiner then finds "It would                                                                             
                 have been obvious to a skilled artisan to combine the                                                                                  
                 teachings of Koike with the Prior Art Figs. 16-17, Kusunoki                                                                            
                 and Seefeldt as a choice in design in order to optimize space                                                                          
                 on the wafer as clearly taught by Koike."                                                                                              
                          First, we find that Koike provides  the particular           18                                                               
                 circuit placement in order to reduce the minimum distance                                                                              
                 between the terminals of the cells, a purpose different from                                                                           


                          17Answer, page 6                                                                                                              
                          18Column 4, lines 7-13                                                                                                        
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