Ex Parte Chan et al - Page 2




          Appeal No. 2004-1481                                                        
          Application No. 09/726,659                                                  


          flowing through a SOG tube (Brief, page 3).  Appellants state that          
          the claims do not stand or fall together (Brief, page 5) and                
          presents reasonably specific, substantive reasons for the                   
          patentability of several individual claims (e.g., Brief,                    
          pages 9-13).  We consider these claims separately to the extent of          
          appellants’ individual arguments.  See 37 CFR § 1.192(c)(7)(2000).          
          Representative independent claim 1 is reproduced below:                     
               1.  A spin-on glass delivery system having a capacitive sensor         
          to detect gas bubbles in a SOG tube comprising:                             
               a)   a spin-on-glass (SOG) tube connected to a SOG tool;               
               b)   a capacitive sensor mounted on said SOG tube wherein              
                    said capacitive sensor detects gas bubbles in SOG flowing         
                    through said SOG tube.                                            
               The examiner relies upon the following references as evidence          
          in support of the rejections on appeal:                                     
          Neoh                        5,470,604          Nov. 28, 1995                
          On                          6,024,249          Feb. 15, 2000                
          DC Capacitive Sensors, Technical Data - Series 40, Rechner                  
          Industrie-elektronik GmbH, 3 pages, undated.2                               




               2Appellants do not contest the availability of this document           
          as prior art.  We note that appellants cited this document in the           
          Information Disclosure Statement dated Jan. 25, 2001, Paper No.             
          2.                                                                          
                                          2                                           





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