Ex parte BLACKWELL et al. - Page 4




                     Appeal No. 1997-3314                                                                                                                                              
                     Application 08/266,783                                                                                                                                            


                     are suitable would have fairly suggested, to one of ordinary                                                                                                      
                     skill in the art, use of commercially available polyimides                                                                                                        
                     generally such as UPILEX S  which, appellants acknowledge, wasŪ                                                                                                         
                     commercially available and is made from a diaryl dianhydride                                                                                                      
                     and a diamine (specification, page 2, lines 24-31).1                                                                                                              
                                Sallo does not disclose the chromium sputtering                                                                                                        
                     deposition rate or temperature.  However, Clabes discloses a                                                                                                      
                     method, in the electronics field, for applying a layer of a                                                                                                       
                     metal which can be copper or chromium onto a substrate which                                                                                                      
                     can be a polyimide substrate, by altering the surface                                                                                                             
                     chemistry of the substrate using low energy irradiation and                                                                                                       
                     depositing the metal by sputtering or evaporation (col. 1,                                                                                                        
                     lines 21-26; col. 4, lines                                                                                                                                        
                     11-14 and 42-45; col. 6, lines 11-13, 17 and 38-42).  In one                                                                                                      
                     embodiment the low energy irradiation and metal deposition                                                                                                        
                     take place simultaneously and the metal deposition rate is                                                                                                        
                     1-100 D/sec (col. 5, lines 48-63).  Clabes teaches that the                                                                                                       


                                1 It is axiomatic that our consideration of the prior art                                                                                              
                     must, of necessity, include consideration of the admitted                                                                                                         
                     prior art.  See In re Hedges, 783 F.2d 1038, 1039-40, 228 USPQ                                                                                                    
                     685, 686 (Fed. Cir. 1986); In re Davis, 305 F.2d 501, 503, 134                                                                                                    
                     USPQ 256, 258 (CCPA 1962).                                                                                                                                        
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