11
Warren M Farnworth: Method for testing semiconductor packages using oxide penetrating test contacts. Micron Technology, Stephen A Gratton, September 4, 2001: US06285204 (69 worldwide citation)

A method for testing semiconductor packages using oxide penetrating test contacts is provided. The test contacts are attached to a burn-in board and include a base metal formed in compliant shape. In addition, the test contacts include a conductive layer having an abrasive grain material embedded th ...


12
Evans Steven Martin, Bell Andrew: Methods of manufacturing rotary drill bits. Camco Int, April 26, 2000: EP0995876-A2 (66 worldwide citation)

A rotary drill bit is manufactured by a powder metallurgy process by placing a metal mandrel 54 in a mould 38, packing the mould 38 with particulate matrix-forming material 50, infiltrating the material with a molten binding alloy, and cooling the assembly to form a solid infiltrated matrix bonded t ...


13
Mitsuhiro Matsushita, Shinpei Inamura: Method for producing granulated material. Mikuni Corporation, Armstrong Westerman Hattori McLeland & Naughton, April 3, 2001: US06210625 (65 worldwide citation)

The invention is a method of making a novel spherical form of granulated products that can be effectively used in various product forms in drug, fertilizer, foodstuff, feed, agricultural chemical, catalyst, ceramics, powder metallurgy, detergent, plastic, and bio-material fields, for instance, as ca ...


14
Benjamin John Stanwood: Consolidated composite materials by powder metallurgy. The International Nickel Company, Pinel Maurice L, January 15, 1974: US3785801 (64 worldwide citation)

Directed to the powder metallurgy production of consolidated metal products wherein the starting material comprises dense wrought particles containing at least 15 percent by volume of a compressively deformable metal with the remainder being one or more other metals or non-metals with the internal s ...


15
Prabhat Kumar: Method of making powders and products of tantalum and niobium. Cabot Corporation, David J Koris, September 7, 1993: US05242481 (59 worldwide citation)

A powder of tantalum, niobium, or an alloy thereof, having an oxygen content less than about 300 ppm, and the production thereof without exposure to a temperature greater than about 0.7 T.sub.H. A powder metallurgy formed product of tantalum, niobium, or an alloy thereof, having an oxygen content le ...


16
Joseph Liburdi, Paul Lowden, Keith Ellison: Powder metallurgy repair technique. Liburdi Engineering, Morgan & Finnegan, October 20, 1992: US05156321 (57 worldwide citation)

To repair or join sections of a metal article, matching metal powder is sintered in the solid state to form a porous structure in the joint. A layer of matching powder, modified to incorporate melting point depressants such as boron and silicon is subsequently added to the surface of the sintered re ...


17
Masayuki Niino, Akio Suzuki, Toshio Hirai, Ryuzo Watanabe, Tohru Hirano, Nobuhito Kuroishi: Method of producing a functionally gradient material. National Aerospace Laboratories of Science and Technology Agency, Toshio Hirai, Ryuzo Watanabe, Daikin, Sumitomo Electric, Wenderoth Lind & Ponack, June 14, 1988: US04751099 (52 worldwide citation)

The present invention relates to a method of producing a functionally grant material whose components and structure are continuously adjusted by the coating, plating and powder metallurgy techniques to change its function in turn and provide a method of producing a functionally gradient material sup ...


18
Lot W Short Jr: Drill bit and method of metallurgical and mechanical holding of cutters in a drill bit. NL, William E Johnson Jr, Douglas H May Jr, Carl O McClenny, June 12, 1984: US04453605 (50 worldwide citation)

Disclosed is a method and apparatus for mechanically and metallurgically holding a cutter in a drill bit pocket. The method includes using powder metallurgy techniques in the formation of a drill bit member having a plurality of pockets configured to inhibit displacement of cutters out of the pocket ...


19
Eric F Drake: Cutting teeth for rolling cutter drill bit. Reed Rock Bit Company, Michael J Caddell, February 8, 1983: US04372404 (49 worldwide citation)

Cutting teeth for rolling cutter bits, including cutter inserts, cutter teeth formed in place, or formed separately and welded in place, etc., are formed by powder metallurgy as a densified powder metallurgical composite of at least two varying phases, said composite having a substantially continuou ...


20
Gregory J Del Corso, Robert E Carnes, David Esposito: Process and apparatus to simultaneously consolidate and reduce metal powders. Carpenter Technology Corporation, Edgar N Jay, Vincent T Pace, September 15, 1987: US04693863 (48 worldwide citation)

A powder metallurgy consolidation process and apparatus for carrying out said process produces integral metal bodies by heating metal powder of a predetermined composition to a temperature sufficient to cause solid state interparticle bonding, while simultaneously maintaining a reactive fluid in con ...