Ex Parte Shih et al - Page 2



                Appeal 2007-0465                                                                               
                Application 10/146,813                                                                         
                                              BACKGROUND                                                       
                      The invention relates to a system for producing entangled photons for                    
                use in lithography.                                                                            
                      Claim 1 is illustrative:                                                                 
                      1.  A microscopic image product comprising:                                              
                      a light source that produces light that is made of entangled photons.                    

                                             THE REFERENCE                                                     
                      Williams         US 6,630,290 B2  Oct. 7, 2003                                           

                                             THE REJECTION                                                     
                      Claims 1-7 stand rejected under 35 U.S.C. § 102(e) as being                              
                anticipated by Williams.                                                                       

                                                DISCUSSION                                                     
                Claims 1-3 and 5-7                                                                             
                      Arguments and rejection                                                                  
                      Appellants argue that Williams merely discloses an interferometer that                   
                uses entangled photons to produce only straight line or circular interference                  
                patterns (Br. 9).  Appellants argue that "Williams does not disclose a                         
                microscopic image product that comprises a light source that produces                          
                light made of entangled photons" (Br. 9).                                                      


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