Ex Parte Horn et al - Page 10

                Appeal 2007-1054                                                                               
                Application 10/640,067                                                                         
                Additionally, we have found that Baughman teaches laser machining, etc. as                     
                being useful processes for removing excess substrate material from a desired                   
                area.  (Finding of Fact 5.)  We note, however, that Baughman does not                          
                particularly disclose conditioning the substrate after forming the ink fill slot               
                thereon to remove debris therefrom before positioning the orifice layer on                     
                the substrate.  We find nonetheless that cleaning the substrate to remove                      
                debris before positioning the orifice layer thereon was a common practice in                   
                the art at the time of the invention.  One of ordinary skill in the art would                  
                have readily appreciated that the orifice layer cannot be positioned on a                      
                substrate covered with debris until all of said debris has been removed.                       
                Removing debris from a surface before positioning another surface thereon                      
                was well-known in the art at the time of the invention to enhance the                          
                adhesion of said surfaces.                                                                     
                      Furthermore, it has been held that the rule that anticipation requires                   
                that every element of a claim appears in a single reference accommodates                       
                situations where the common knowledge of “technologists” is not recorded                       
                in a reference, i.e., where technical facts are known to those in the field of                 
                the invention. Continental Can Co. v. Monsanto Co., 948 F.2d 1264, 1269,                       
                20 USPQ2d 1746, 1749-50 (Fed. Cir. 1991).  Similarly, In re Graves, 69                         
                F.3d 1147, 1152, 36 USPQ2d 1697, 1701 (Fed. Cir. 1995), confirms the                           
                longstanding interpretation that the teachings of a reference may be taken in                  
                combination with knowledge of the skilled artisan to put the artisan in                        
                possession of the claimed invention within 35 U.S.C. § 102 even though the                     
                patent does not specifically disclose certain features.  Thus, even though                     
                Baughman does not particularly discuss cleaning the substrate before                           
                positioning the orifice layer thereon, we find that Baughman anticipates the                   

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