Ex Parte Chen 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            not written for publication and is not binding precedent of the                           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. 11                  

                          UNITED STATES PATENT AND TRADEMARK OFFICE                                   
                                             __________                                               
                              BEFORE THE BOARD OF PATENT APPEALS                                      
                                        AND INTERFERENCES                                             
                                             __________                                               
                           Ex parte YING-HO CHEN, WEN-CHIH CHIOU,                                     
                              CHENG-CHUNG LIN, and SYUN-MING JANG                                     
                                             __________                                               
                                       Appeal No. 2004-0085                                           
                                   Application No. 09/876,447                                         
                                             __________                                               
                                              ON BRIEF                                                
                                             __________                                               

            Before GARRIS, PAK, and DELMENDO, Administrative Patent Judges.                           
            GARRIS, Administrative Patent Judge.                                                      

                                        DECISION ON APPEAL                                            
                  This is a decision on an appeal from the final rejection of                         
            claims 1 and 3-18 which are all of the claims in the application.                         
                  The subject matter on appeal relates to a method and                                
            apparatus for in-situ cleaning of a pad and a wafer during                                
            chemical mechanical polishing wherein an acid-containing solution                         
            comprising water and an acid selected from the group consisting                           
            of citric acid, HCOOH, CH3COOH, HNO3, H2SO4, and HF is dispensed                          


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