US Patent No: 5,853,815

Number of patents in Portfolio can not be more than 2000

Method of forming uniform thin coatings on large substrates

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Abstract

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A plasma system forms a dense, uniform coating of metallic oxide or other material on a relatively large substrate of metal foil or other composition located a substantial distance from the plasma gun so that the plasma stream covers the entire width of the substrate. A large pressure differential between the pressure inside the plasma gun and the ambient pressure outside of the plasma gun creates a shock pattern within the exiting plasma stream so as to disperse the plasma stream and maintain a high energy level therein, as well as thoroughly mixing a coating material introduced into the plasma stream within the gun. Mixing of the coating material within the plasma stream is further enhanced by introducing the coating material into the plasma stream either in liquid form or in the form of very small particles. In one arrangement, the plasma stream is delivered in a long, narrow configuration across the width of the substrate by a nozzle with a slit-like opening at the lower end of the plasma gun. In still other arrangements, a plasma stream of elongated configuration is provided by a plasma gun of elongated configuration having an elongated cathode assembly disposed within the hollow interior of an elongated anode having a nozzle-forming slot therein. Arc gas introduced into the space between the cathode and adjacent portions of the anode flows out of the slot to form a broad plume plasma stream, in conjunction with spray material introduced in powder form into the spaces between the cathode and the opposite portions of the anode along the length of the plasma gun. The cathode assembly may be of integral construction along the length of the anode, or it may be divided into plural segments disposed in spaced-apart relation along the length of the anode.

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Patent Owner(s)

Patent OwnerAddressTotal Patents
SULZER METCO AGWOHLEN52

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Muehlberger, Erich San Clemente, CA 16 278

Cited Art Landscape

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SULZER METCO AG (2)
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AGENCE SPATIALE EUROPEENNE (1)
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ALCAN INTERNATIONAL LIMITED (1)
5,261,955 Coloring aluminum flakes 24 1992
 
ENERGY, UNITED STATES DEPARTMENT OF (1)
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FUJITSU LIMITED (1)
5,382,293 Plasma jet CVD apparatus for forming diamond films 26 1993
 
HITACHI, LTD. (1)
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KABUSHIKI KAISHA TOYOTA CHUO KENKYUSHO (1)
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Kanegafuchi Kagaku Kogyo Kabushiki Kaisha (1)
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LORD CORPORATION (1)
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Minnesota Mining and Manufacturing Company (1)
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4,920,917 Reactor for depositing a layer on a moving substrate 49 1988
 
Nippon Oil and Fats Co., Ltd. (1)
4,810,293 Anti-corrosive paint composition 11 1987
 
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4,439,239 Pigmented coating composition containing a mixture of alkoxysilanes 24 1982
 
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SOLLAC, Societe anonyme (1)
5,437,725 Device for the continuous coating of a metallic material in motion with a polymer deposition having a composition gradient 16 1994

Patent Citation Ranking

Forward Cite Landscape

Patent Info (Count) # Cites Year
 
SDCMATERIALS, INC. (21)
8,575,059 Method and system for forming plug and play metal compound catalysts 0 2007
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8,076,258 Method and apparatus for making recyclable catalysts 16 2008
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7,897,127 Collecting particles from a fluid stream via thermophoresis 16 2008
8,507,402 Method and system for forming plug and play metal catalysts 0 2009
8,604,398 Microwave purification process 0 2010
8,652,992 Pinning and affixing nano-active material 0 2010
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8,668,803 Sandwich of impact resistant material 0 2010
8,545,652 Impact resistant material 0 2010
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8,669,202 Wet chemical and plasma methods of forming stable PtPd catalysts 0 2011
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SULZER METCO AG (4)
8,168,261 Process for applying a heat shielding coating system on a metallic substrate 0 2002
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8,142,619 Shape of cone and air input annulus 16 2008
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6,280,802 Method of forming film of ultrafine particles 29 1999
 
FORD GLOBAL TECHNOLOGIES, LLC (1)
8,197,909 Plasma coatings and method of making the same 0 2008
 
MAGNA AUTECA ZWEIGNIEDERLASSUNG DER MAGNA HOLDING AG (1)
6,717,109 Heatable mirror, method for producing a heat conductive layer, and the use thereof 79 2000
 
SDC MATERIALS, LLC (1)
7,717,001 Apparatus for and method of sampling and collecting powders flowing in a gas stream 0 2005
 
SIEMENS POWER GENERATION, INC. (1)
7,141,271 Method for producing a solid ceramic fuel cell 2 2001
 
SNECMA (1)
8,449,677 Method of depositing a thermal barrier by plasma torch 0 2010
 
THE REGENTS OF THE UNIVERSITY OF CALIFORNIA (1)
7,329,608 Method of processing a substrate 3 2004

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