Ex parte CRIPE et al. - Page 3




          Appeal No. 2000-0034                                                        
          Application 08/473,634                                                      




               restricting the flow of the chemical compound into a                   
          portion of the reaction chamber so that the flow is introduced              
          towards the member and the chemical compound decomposes to                  
          form an end product and wherein no substantial deposition of                
          the end product takes place on the member during decomposition              
          of the chemical compound.                                                   

               34. A method of decomposing a compound comprising the                  
          steps of:                                                                   
               providing an energy source which generates energy;                     
               providing a reaction chamber;                                          
               providing a member positioned in the reaction chamber;                 
               heating the member with the energy of the energy source;               
          and                                                                         
               providing a flow of a chemical compound into the reaction              
          chamber through a conduit, the conduit extending into a                     
          portion of the reaction chamber, wherein the flow of the                    
          chemical compound is generated as a result of processing a                  
          semiconductor wafer; and wherein the flow of the chemical                   
          compound exits from an exit end of the conduit such that the                
          flow is introduced towards the member and wherein the exit end              
          of the conduit is positioned at most a distance away from the               
          member equal to 2 times the distance away from the member                   
          where a flow rate of the chemical compound exiting out of the               
          exit end of the conduit does not backflow.                                  

                                   THE REFERENCES                                     
          Akashi et al. (Akashi)           4,386,258         May  31,                 
          1983                                                                        
          Mundt                            5,137,701         Aug. 11,                 
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