Ex parte TANI et al. - Page 2




                    Appeal No. 1998-0773                                                                                                        Page 2                        
                    Application No. 08/578,106                                                                                                                                


                                                                         THE INVENTION                                                                                        

                              Appellants’ invention relates to a resistive paste and a method of producing a resistor by                                                      

                    applying the resistive paste to a substrate and firing.  The paste includes a solid component in an organic                                               

                    vehicle.  The solid component contains a mixture of 5-65 wt% resistance material and 35-95 wt% non-                                                       

                    reducible glass frit.  The resistance material has a formula of Ca Sr RuO , wherein x is 0.25 to 0.75                                                     
                                                                                                           x   1-x      3                                                     
                    moles.  Claim 2 is illustrative:                                                                                                                          

                              2.  A resistive paste comprising an organic vehicle and a solid component comprising from                                                       
                    about 5 to 65 % by weight of resistance material having a composition of the formula:                                                                     

                    Ca Sr RuO                                                                                                                                                 
                                                                      x   1-x      3                                                                                          
                    wherein x is from 0.25 to 0.75 moles and from about 35 to 95 % by weight of a non-reducible glass                                                         
                    frit.                                                                                                                                                     
                                                                                                                                                                             

                                                           THE REFERENCES RELIED UPON                                                                                         

                              The prior art references of record relied upon by the Examiner in rejecting the appealed claims                                                 

                    are:                                                                                                                                                      

                    Hankey                                                       4,536,328                      Aug. 20, 1985                                                 
                    Wu et al. (Wu)                                     5,470,668                      Nov. 28, 1995                                                           















Page:  Previous  1  2  3  4  5  6  7  8  9  Next 

Last modified: November 3, 2007