Patents Assigned to Heraeus Incorporated Cermalloy Division
  • Patent number: 4868034
    Abstract: A non-oxidizing cooper thick film conductor comprising copper, said copper comprising metallic copper powder and copper oxide powder and applied to said copper are a manganese boron compound, an inorganic phosphate-containing acid and an organic vehicle, wherein the manganese boron compound ranges from 0.5 to 1.5 weight %, based on the total conductor weight and wherein the amount of phosphate is 50 to 300 ppm based on the weight of the metallic copper powder.
    Type: Grant
    Filed: February 11, 1988
    Date of Patent: September 19, 1989
    Assignee: Heraeus Incorporated Cermalloy Division
    Inventor: Jerry I. Steinberg
  • Patent number: 4814107
    Abstract: A nitrogen fireable resistor composition comprising:a. a conductive phase containing (1) a perovskite of the form A'.sub.1-x A".sub.x B'.sub.1-y B".sub.y O.sub.3, wherein when A' is Sr; A" is one or more of Ba, La, Y, Ca and Na, and when A' is Ba, A" is one or more of Sr, La, Y, Ca and Na, B' is Ru and B" is one or more of Ti, Cd, Zr, V and Co, O<x<0.2; 0<y<0.2, (2) 5 to 30 weight % of a metallic copper powder, nickel metallic powder or cupric oxide, relative to the total conductive phase weight, andb. a glass phase selected from the group consisting of (a) 40 to 60 mole % SrO or BaO, 25 to 45 mole % B.sub.2 O.sub.3, 0 to 6 mole % ZnO, 0.25 to 2.0 mole % TiO.sub.2, 2 to 14 mole % SiO.sub.2 and (b) 40 to 60 mole % SrO or BaO, 25 to 45 mole % B.sub.2 O.sub.3, 5 to 20 mole % Al.sub.2 O.sub.3, 0.25 to 2.0 mole % TiO.sub.2.
    Type: Grant
    Filed: February 12, 1988
    Date of Patent: March 21, 1989
    Assignee: Heraeus Incorporated Cermalloy Division
    Inventor: Jerry I. Steinberg