Patents by Inventor Robert Wolff Nufer

Robert Wolff Nufer has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Green sheets of controlled microporosity and method of producing same
    Patent number: 6319343
    Abstract: Ceramic green sheets of controlled microporosity and method of making same have been provided. Controlled microporosity is achieved by including certain ionic species in the ceramic composition, particularly boron, phosphorus and copper oxide.
    Type: Grant
    Filed: September 11, 1996
    Date of Patent: November 20, 2001
    Assignee: International Business Machines Corporation
    Inventors: Cynthia N. Felisberto, Stephen A. Milkovich, Robert Wolff Nufer
  • Non-sintering controlled pattern formation
    Patent number: 5798469
    Abstract: A sintered structure is formed from a powdered material by the steps of providing a first, green powdered material which can be a ceramic or metallic ceramic material. A second, preformed mold blank material to the green powdered material, wherein the preformed mold blank will not fuse with the first, green powdered material. The mold blank material is different green material having a higher sintering temperature than the first green powdered material. Then the structure is fired at the sintering temperature of the first, green powdered material; and the preformed mold blank material from the fired powdered material is removed. Grooves can be formed by pressing non-sinterable lines into a green sheet prior to firing. A wave guide unit can be formed in the ceramic. A ceramic structure can be formed with fracture markings in the green powdered material.
    Type: Grant
    Filed: June 7, 1995
    Date of Patent: August 25, 1998
    Assignee: International Business Machines Corporation
    Inventor: Robert Wolff Nufer