1
Chien Min Sung, Sy Hwa Chen, Leo Merrill, Louis K Bigelow: Low pressure bonding of PCD bodies and method for drill bits and the like. Norton Company, Marmorek Guttman & Rubenstein, July 24, 1990: US04943488 (179 worldwide citation)

An improved temperature stable synthetic polycrystalline diamond (PCD) product includes at least one temperature stable PCD integrally and chemically bonded to a matrix carrier support through a carbide forming layer which is of a thickness of at least about 1 micron, the layer on at least one surfa ...


2
Chien Min Sung, Sy Hwa Chen, Leo Merrill, Louis K Bigelow: Low pressure bonding of PCD bodies and method. Norton Company, Marmorek Guttman & Rubenstein, July 9, 1991: US05030276 (155 worldwide citation)

An improved temperature stable synthetic polycrystalline diamond (PCD) product includes at least one temperature stable PCD integrally and chemically bonded to a matrix carrier support through a carbide forming layer which is of a thickness of at least about 1 micron, the layer on at least one surfa ...


3
Rakesh R Kapoor, Bela G Nagy, Louis K Bigelow: Brazing of diamond film to tungsten carbide. Saint Gobain Norton Company Industrial Ceramics, Volker R Ulbrich, Bruce F Jacobs, April 14, 1998: US05738698 (103 worldwide citation)

The reliability of a braze joint formed between a diamond film and a tungsten carbide body is increased by use of a vanadium-containing braze. The braze joint exhibits an average shear strength greater than about 40,000 pounds per square inch, (276 MPa) and the braze exhibits a contact angle with th ...


4
Alexander K Meskin, Louis K Bigelow: Multi-component cutting element using consolidated rod-like polycrystalline diamond. Eastman Christensen Company, Trask Britt & Rossa, April 27, 1993: US05205684 (102 worldwide citation)

An enlarged diamond table for use as a cutter in rotating drill bits is provided by disposing a plurality of thermally stable or leached polycrystalline diamond (PCD) rod-like elements within a matrix body. In one embodiment the matrix body is impregnated with diamond grit and completely fills the i ...


5
Louis K Bigelow, Richard H Grappendorf, Alexander R Meskin: Earth boring bit for soft to hard formations. Eastman Christensen Co, Beehler Pavitt Siegemund Jagger Martella & Dawes, June 16, 1987: US04673044 (36 worldwide citation)

A drill bit having thermally stable PCD cutting elements includes a matrix body element having a plurality of spaced cutting elements supported in a body of matrix material such that a substantial portion of the cutter is above the body matrix and a minor portion is received within the body matrix. ...


6
Louis K Bigelow, Frank J Csillag, James T Hoggins: Method for making diamond grit and abrasive media. Norton Company, Volker R Ulbrich, Martin Novack, November 15, 1994: US05364423 (33 worldwide citation)

Synthetic diamond film produced by chemical vapor deposition can be crushed to obtain diamond grit which has useful abrasive properties. The flexibility of CVD deposition processes in determining diamond film properties means that CVD diamond grit properties can be tailored to particular abrasive ap ...


7
Louis K Bigelow, Robert M Frey, Gordon L Cann: Multi-layer superhard film structure. Norton Company, Volker R Ulbrich, May 10, 1994: US05310596 (15 worldwide citation)

A multi-layer diamond film is grown by d.c. arc assisted plasma deposition. A series of layers are deposited on each other by periodically back-etching the surface and renucleating during deposition. There may also be deposited a thin layer of non-diamond carbon material between the diamond layers, ...


8
Louis K Bigelow, James T Hoggins, Deborah Gunderson, Cristan Ellison: Diamond film deposition with a microwave plasma. Norton Company, Volker R Ulbrich, Kevin McMahon, December 6, 1994: US05370912 (14 worldwide citation)

A method for depositing diamond film on a substrate utilizing a tuneable microwave cavity with an adjustable height and antenna and an electrically insulated chamber comprises the steps of decreasing the pressure within the chamber, creating a plasma including hydrogen gas within the chamber, tuning ...


9
Rakesh R Kapoor, Bela G Nagy, Louis K Bigelow: Brazing of diamond film to tungsten carbide. Saint Gobain Norton Industrial Ceramics, Volker R Ulbrich, Bruce F Jacobs, June 4, 1996: US05523158 (13 worldwide citation)

The reliability of a braze joint formed between a diamond film and a tungsten carbide body is increased by use of a vandium containing braze. The braze joint exhibits an average shear strength greater than about 40,000 pounds per square inch, (276 MPa) and the braze exhibits a contact angle with the ...


10
Louis K Bigelow, Robert M Frey, Gordon L Cann: Multi-layer superhard film structure. Norton Company, Volker R Ulbrich, May 21, 1996: US05518766 (7 worldwide citation)

A multi-layer diamond film is grown by d.c. arc assisted plasma deposition. A series of layers are deposited on each other by periodically back-etching the surface and renucleating during deposition. There may also be deposited a thin layer of non-diamond carbon material between the diamond layers, ...