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Class 118/717 - Object embedded in particulate mass


Subclass of Class 118 - Coating apparatus
Definition: Apparatus wherein the base to be coated is fixed in a surrounding
No. of patents: 22
Last issue date: 02/19/2008


NumberTitleIssue Date
7331097Method of manufacturing a workpiece chuck
A workpiece chuck includes an upper assembly on which can be mounted a flat workpiece such as a semiconductor wafer. A lower assembly is mountable to a base that supports the chuck. A non-constraining attachment means such as vacuum, springs or resilient washers app...
02/19/2008
7208065Structure for measuring the etching speed
The specification discloses a structure and method for measuring the etching speed. A test layer is connected with several resistors. Etching the metal layer disconnects in order the resistors from the circuit. The equivalent resistance of the sensing resistor syste...
04/24/2007
7192624Method for obtaining thermal diffusion coating
Continuously operating furnace and method for obtaining thermal diffusion coating on the outside surface of metallic articles. The furnace is configured as a tunnel through which in succession are advanced closed containers filled with the processed articles and wit...
03/20/2007
7112453Retentate chromatography and protein chip arrays with applications in biology and medicine
This invention provides methods of retentate chromatography for resolving analytes in a sample. The methods involve adsorbing the analytes to a substrate under a plurality of different selectivity conditions, and detecting the analytes retained on the substrate by d...
09/26/2006
6849132CVD codeposition of A1 and one or more reactive (gettering) elements to form protective aluminide coating
CVD aluminide coatings including a small concentration of a reactive, gettering element for surface active impurities dispersed therein are formed for improved oxidation resistance. The aluminide coatings are formed by CVD codeposition of Al and the gettering elemen...
02/01/2005
6733826Method and apparatus for coating electroluminescent phosphors
A process for preparing particles of zinc sulfide-based electroluminescent phosphor having a moisture resistant coating thereon which comprises the steps of selecting a reaction vessel having a given height and a porous disc at the bottom thereof; charging the react...
05/11/2004
6454912Method and apparatus for the fabrication of ferroelectric films
The present invention is related to methods and apparatus for processing weak ferroelectric films on semiconductor substrates, including relatively large substrates, e.g., with 300 millimeter diameter. A ferroelectric film of zinc oxide (ZnO) doped with l...
09/24/2002
6413317Substrate processing method and substrate processing apparatus
Processing of applying ultraviolet rays to a front face of an insulating film material formed on a wafer W is performed, whereby a contact angle of the front face thereof becomes smaller. Accordingly, when an insulating film material is applied on the afo...
07/02/2002
6296705Masking fixture and method
A fixture for selectively masking a turbine blade 60 includes a locator 10 with a separable receptacle 40 having portals 50. Guide bars 18 extend from the locator for guiding a pair of shield carriers 20 between deployed and retracted positions. Each shie...
10/02/2001
6258172Method and apparatus for boronizing a metal workpiece
A method and apparatus for boronizing a metal workpiece which includes the step of providing a container having a least one workpiece receiving chamber and at least one heating chamber adapted to heat the workpiece receiving chamber. The metal workpiece t...
07/10/2001
5620521Method for surface treatment
A method for surface treatment in which a fluidizable powder mixture consisting of a powder of a refractory material, and a surface layer-forming powder of a metal, or alloy or both is fluidized by a fluidizing gas supplied through a gas distributor to fo...
04/15/1997
5215785Method for the powder pack coating of hollow bodies
A method for the powder pack coating of hollow structural components is performed with spherical powder particles of a donor metal in which the hollow component is embedded. During the embedding, the component is subjected to a tumbling motion about sever...
06/01/1993
5208070Method of aluminum plating an article
A crucible used in a powder pack plating process has an aperture below the upper surface of the powder pack to allow a density driven flow of the plating gas generated by the powder pack to move through the powder pack....
05/04/1993
4993359Apparatus for and method of chromizing articles
An apparatus (10) and a method for applying a chromized coating (46,60,62,66) to one or more of the surfaces of an article (44,56,58,64) particularly in those situations in which the article (44,56,58,64) is intended to be employed in an application where...
02/19/1991
4963395Method of chromizing large size articles
A chromium coating process for coating large size articles such as boiler tubes and boiler tube assemblies, comprises the steps of: (a) mounting on a stationary foundation a retort having a removable cover; (b) covering the articles to be coated in the re...
10/16/1990
4844949Method of surface treatment and apparatus used therefor
A method of forming a surface layer of carbide, nitride, carbonitride, or solid-solution on the surface of a material to be treated, which comprises disposing in a fluidized bed furnace a treating agent comprising a powder of a refractory material, and a ...
07/04/1989
4786526Surface treating method and apparatus
A method and apparatus for forming a layer of a carbide or nitride of, for example, titanium or vanadium on the surface of material to be treated in a fluidized bed furnace. A refractory powder for forming a fluidized bed, a vessel or vessels filed with p...
11/22/1988
4699082Apparatus for chemical vapor deposition
An apparatus for the chemical vapor deposition on substrates of coatings comprising compounds of a titanium sub-group of metals, the vanadium sub-group of metals and the chromium sub-group of metals at temperatures in the range of 250° to 850° C. is dis...
10/13/1987
4569862Method of forming a nitride layer
A method of forming a layer of a nitride or carbonitride of titanium, vanadium or the like on the surface of an article to be treated includes: disposing a treating material composed of refractory powder, powder of a metal or alloy of a nitride forming el...
02/11/1986
4348980Apparatus for the boronizing of pieces made of metal or cermet and surface-bornished pieces
The invention relates to a process and apparatus for boronizing pieces made of metal or cermet and to surface-boronized pieces. The pieces are placed in a chamber at between 850° and 1,150° C. and they are subjected, in the presence of boron carbide, to...
09/14/1982
4156042Coating articles having fine bores or narrow cavities in a pack-cementation process
A process for coating an article such as a turbine blade composed of nickel-base alloy, comprises the steps of surrounding the article by a particulate pack in a chamber, the pack including coating material in elemental or chemically combined form, said c...
05/22/1979
4041196Diffusion treatment of metal
In the pack diffusion coating of chromium into the surface of a superalloy, the formation of undesirable oxide inclusion is reduced when the diffusion coating pack contains at least about 3% Ni3 Al. Also the formation of alpha-chromium is reduc...
08/09/1977
 
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