Ex parte JIMENEZ et al. - Page 9




          Appeal No. 1997-2691                                                        
          Application 08/496,849                                                      


               In view of the foregoing, we find that the Examiner did                
          not err in rejecting claims 1 and 3 under 35 U.S.C. § 103.                  
          Therefore, we will sustain the decision of the Examiner.                    
               On page 4 of the brief, Appellants argue that neither                  
          Yamaka and Pellegrini teaches or suggests a Schottky barrier                
          infrared photovoltaic detector wherein the SiGe intermediate                
          layer has a thickness that is selected from a range of 10 to                
          800 angstroms. Appellants argue that this thickness adjusts                 
          the barrier height and is not discussed in the cited                        
          references.                                                                 
               Turning to Yamaka, we find that Yamaka teaches in Fig. 1               
          that the intermediate layer has a thickness of 1000 angstroms.              
          Therefore, we find that Yamaka does not teach a Schottky                    
          barrier infrared photovoltaic detector wherein the SiGe                     
          intermediate layer has a thickness that is selected from a                  
          range of 10 to 800 angstroms.  Therefore, we will not sustain               
          the Examiner's rejection of claim 2 as well as the rejection                
          of the dependent claims from claim 2, claims 4 through 7.                   
               Therefore, the decision of the Examiner rejecting claims               
          1 and 3 under 35 U.S.C. § 103 is affirmed; however, the                     


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