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Class 65/60.6 - Free carbon containing coating


Subclass of Class 65 - Glass manufacturing
Definition: Processes in which the glass preform is coated with a material
No. of patents: 23
Last issue date: 03/20/2001


NumberTitleIssue Date
6202444Producing a glass object having an encodable layer
A method of providing an encodable layer on a glass object and on the resultant product. Said layer is formed by providing a paste containing glass frit, pigment and a binder, on the hot glass. As a result, the glass frit melts, causing the pigment to adh...
03/20/2001
5851252Method of forming mold release film and making a glass optical element
In a method of forming a mold release film on the surface of a glass blank from which an optical element is made by press molding, a carbon film having a thickness of less than 50 angstroms or, preferably, less than 10 angstroms is formed on the surface o...
12/22/1998
5807416Silica glass member with glassy carbon coating method for producing the same
A silica glass member shows a glassy carbon coating wherein a surface of a silica glass substrate of the silica glass member shows a mean surface roughness (Ra) in a range of 0.03 μm to 2 μm and it is coated with a glassy carbon coating. The ...
09/15/1998
5702498Process for carbon-coating silicate glass fibers
This invention is a strand of silicate glass fibers with a carbon skin or sheath around each glass fiber of the strand. The invention uses hydrocarbon pyrolysis with silicate fiber glass manufacturing to produce fibers using conventional melt-bushing tech...
12/30/1997
5676723Mold for forming an optical element
There is disclosed a mold for pressing molding of an optical element of glass. On at least the molding surface of the mold base of the mold, there is formed a mixing layer which consists of carbon and at least one of the elements constituting the mold bas...
10/14/1997
5662999Mold and method of manufacturing the same
A mold used for press-molding precision parts, such as an optical element formed of glass. A carbon film is formed at least on the molding surface of a matrix of the mold via an intermediate layer or without such a layer. The carbon film is shaped with a ...
09/02/1997
5536292Method of preparing thermal insulation for high temperature microwave sintering operations
Superior microwave transparent thermal insulations for high temperature microwave sintering operations were prepared. One embodiment of the thermal insulation comprises granules of boron nitride coated with a very thin layer of glassy carbon made by prepa...
07/16/1996
5372622Large aperture device for controlling thickness of conductive coatings on optical fibers
Described is a new method and apparatus for measuring the thickness of a thin conductive coating deposited on a moving elongated dielectric body. Of special use is an application of a carbon coating on an optical fiber. The thickness of the conductive coa...
12/13/1994
5354348Method for producing silica glass optical fiber with carbon coating
A method for producing a silica glass optical fiber, which comprises coating carbon on the optical fiber with the use of the remaining heat of not less than 800° C. possessed by the optical fiber just after heat wire drawing, for thermal decomposition of...
10/11/1994
5348564Method for manufacturing a hermetically coated optical fiber
An apparatus for manufacturing a hermetically coated optical fiber having a single reaction chamber into which a fare fiber and raw gas are to be introduced for applying a hermetic coating to the bare fiber while the bare fiber passes through the reaction...
09/20/1994
5320659Method of forming a carbon coated optical fiber with co-current reactant flow
A surface of an optical fiber is coated by a method for coating a surface of an optical fiber with carbon comprising steps of introducing an optical fiber in a reaction chamber in the same direction as the flow of a coating raw material comprising carbon,...
06/14/1994
5256177Method for coating optical fibers
The invention concerns a method and apparatus for producing a carbon coated optical fiber. An optical fiber is drawn through a reactor tube. Reactant gas is flowed into the tube and onto the fiber where it reacts to form a carbon coating on the fiber. The...
10/26/1993
5152817Reactor for coating optical fibers
The invention concerns a method and apparatus for producing a carbon coated optical fiber. An optical fiber is drawn through a reactor tube. Reactant gas is flowed into the tube and onto the fiber where it reacts to form a carbon coating on the fiber. The...
10/06/1992
5147432Methods of and apparatus for coating optical fibers
An optical fiber (24), destined to receive a hermetic coating (32), is moved through a hermetic coating apparatus (30) wherein the fiber, entering the hermetic coating apparatus at a predetermined temperature, is caused to be engaged by a reactive gas. Th...
09/15/1992
5076824Method of making fiber optical preform with pyrolytic coated mandrel
A mandrel (12) that is used for supporting a glass soot cylinder during consolidation into anoptical fiber preform is coated by chemical vapor deposition with a material selected from the group consisting of pyrolytic graphite and pyrolytic boron nitride....
12/31/1991
5037464Method of cleaning and carbon coating optical fiber
A method for manufacturing carbon coated optical fiber includes the steps of removing adherent foreign material from a surface of a bare optical fiber, and forming at least one carbon layer on the surface thereof using a chemical vapor deposition method. ...
08/06/1991
5024688Method for producing carbon-coated optical fiber
Disclosed is a method for producing carbon-coated optical fiber including the steps of thermally decomposing a halogenated hydrocarbon compound to obtain a thermal decomposate of the halogenated hydrocarbon, and depositing the thermal decomposate on a sur...
06/18/1991
5021072Method for making a carbon-coated and polymer-coated optical fiber
A process for manufacturing an optical fiber includes the steps of heating and drawing material from a hot optical fiber preform; depositing a conductive coating (especially carbon) on the moving optical fiber; putting a heat curable liquid material on th...
06/04/1991
4981503High-hardness silica glass and method of producing the same
High-hardness silica glass having transparency substantially on the same level as silica glass and a Vickers hardness of 12-20 GPa is produced by covering silica glass with powder and treating the silica glass at a temperature of 1400°-2500° C. and a pr...
01/01/1991
4863760High speed chemical vapor deposition process utilizing a reactor having a fiber coating liquid seal and a gas sea;
A CVD furnace, having a gas seal and a liquid seal, for chemical vapor deposition of a coating on a fiber. A CVD process utilizing the CVD furnace allows fibers to be pulled through the furnace without drawing gases entrained by the moving fiber into the ...
09/05/1989
4749398Apparatus for making spherical particles
An apparatus for spheridizing irregularly shaped minute particles, and the spheres produced thereby, in which a thin carbonaceous coating is applied to the particles in a unique manner, and in a preferred embodiment the particles are then advanced through...
06/07/1988
4655811Conductive coating treatment of glass sheet bending process
The specification discloses a method for producing a curved glass member having a transparent, electroconductive coating by first coating the glass flat with indium-tin oxide, followed by coating that film with a layer of carbonaceous material and coverin...
04/07/1987
4165223Method of making dry optical waveguides
A method of making low loss glass optical waveguides, wherein at least one coating of glass soot is deposited by the flame hydrolysis process on a starting member. The starting member is removed from the soot preform leaving an aperture therein. While the...
08/21/1979
 
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