Ex Parte KEPLER et al - Page 1




                                   The opinion in support of the decision being entered today was not written                        
                                          for publication and is not binding precedent of the Board.                                 

                                                                                                          Paper No. 17               

                                    UNITED STATES PATENT AND TRADEMARK OFFICE                                                        
                                                            ____________                                                             
                                          BEFORE THE BOARD OF PATENT APPEALS                                                         
                                                      AND INTERFERENCES                                                              
                                                            ____________                                                             
                                 Ex parte NICK KEPLER, OLOV KARLSSON, LARRY WANG,                                                    
                                          BASAB BANDYOPAHYAY, EFFIONG IBOK                                                           
                                                  and CHRISTOPHER F. LYONS                                                           
                                                            ____________                                                             
                                                        Appeal No. 2001-0482                                                         
                                                     Application No. 09/186,078                                                      
                                                            ____________                                                             
                                                              ON BRIEF                                                               
                                                            ____________                                                             
               Before HAIRSTON, RUGGIERO, and BARRY, Administrative Patent Judges.                                                   
               RUGGIERO, Administrative Patent Judge.                                                                                


                                                      DECISION ON APPEAL                                                             
                       This is a decision on the appeal from the final rejection of claims 1-35.  Claims 36-44 have                  
               been withdrawn from consideration as being directed to a non-elected invention.                                       
                       The claimed invention relates to a method of manufacturing a semiconductor device having                      
               an insulated trench in which impurities are ion implanted proximate to the edges of the trench.                       
               According to Appellants (specification, pages 3-5), the thickness of the oxide at the trench edges is                 
               increased due to the enhanced oxidation rate provided by the implanted impurities.                                    
                       Claim 1 is illustrative of the invention and reads as follows:                                                





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