Patents by Inventor Chun-Shan Wang
Chun-Shan Wang has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).
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Patent number: 9738525Abstract: In a production system for vapor-grown carbon nanofibers includes a static mixer and a micro mist nozzle for preventing un-uniform input material from forming impurities, an anti-adhering coating covering an inner wall of a vertical tubular reactor for preventing a catalyst, raw material and carbon fibers from adhering to the inner wall of the vertical tubular reactor, and a sedimentation device into which a dispersant and water are inputted to separate produced carbon fiber compositions from particulate impurities in water.Type: GrantFiled: June 25, 2015Date of Patent: August 22, 2017Assignee: YONYU APPLIED TECHNOLOGY MATERIAL CO., LTD.Inventors: Chun-Shan Wang, Teng-Hui Wang
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Publication number: 20160236937Abstract: In a production system for vapor-grown carbon nanofibers includes a static mixer and a micro mist nozzle for preventing un-uniform input material from forming impurities, an anti-adhering coating covering an inner wall of a vertical tubular reactor for preventing a catalyst, raw material and carbon fibers from adhering to the inner wall of the vertical tubular reactor, and a sedimentation device into which a dispersant and water are inputted to separate produced carbon fiber compositions from particulate impurities in water.Type: ApplicationFiled: June 25, 2015Publication date: August 18, 2016Inventors: Chun-Shan WANG, Teng-Hui WANG
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Patent number: 9368252Abstract: A method for forming a vapor-grown graphite fibers (VGGF) composition and a VGGF composition formed by the method are provided. In this method, a transition metal compound catalyst and three organic co-catalysts are mixed with a hydrocarbon compound, and then are delivered into a tubular reactor and pyrolized and graphitized to produce the VGGF composition. The VGGF composition includes a carbon ingredient containing a carbon content of at least 99.9 wt %. The carbon ingredient has a graphitization degree of at least 75%, and the carbon ingredient includes non-fibrous carbon and fibrous VGGF, wherein an area ratio of the non-fibrous carbon to the fibrous VGGF is about equal to or smaller than 5%. The fibrous VGGF include graphite fibers having a 3-D linkage structure, wherein the content of the graphite fibers having the 3-D linkage structure in the fibrous VGGF is about between 5 area % and 50 area %.Type: GrantFiled: March 12, 2014Date of Patent: June 14, 2016Assignee: YONYU APPLIED TECHNOLOGY MATERIAL CO., LTD.Inventors: Chun-Shan Wang, Teng-Hui Wang
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Publication number: 20140191166Abstract: A method for forming a vapor-grown graphite fibers (VGGF) composition and a VGGF composition formed by the method are provided. In this method, a transition metal compound catalyst and three organic co-catalysts are mixed with a hydrocarbon compound, and then are delivered into a tubular reactor and pyrolized and graphitized to produce the VGGF composition. The VGGF composition includes a carbon ingredient containing a carbon content of at least 99.9 wt %. The carbon ingredient has a graphitization degree of at least 75%, and the carbon ingredient includes non-fibrous carbon and fibrous VGGF, wherein an area ratio of the non-fibrous carbon to the fibrous VGGF is about equal to or smaller than 5%. The fibrous VGGF include graphite fibers having a 3-D linkage structure, wherein the content of the graphite fibers having the 3-D linkage structure in the fibrous VGGF is about between 5 area % and 50 area %.Type: ApplicationFiled: March 12, 2014Publication date: July 10, 2014Applicant: YONGYU APPLIED TECHNOLOGY MATERIAL CO., LTDInventors: Chun-Shan WANG, Teng-Hui WANG
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Publication number: 20140044963Abstract: A vapor-grown graphite fibers (VGGF) composition and a mixture containing the VGGF composition and applications thereof are provided. The VGGF composition includes a carbon ingredient containing a carbon content of at least 99.9 wt %. The carbon ingredient has a graphitization degree of at least 75%, and the carbon ingredient includes non-fibrous carbon and fibrous VGGF, wherein an area ratio of the non-fibrous carbon to the fibrous VGGF measured by a scanning electron microscopy (SEM) is about equal to or smaller than 5%. The fibrous VGGF include graphite fibers having a 3-D linkage structure, wherein the content of the graphite fibers having the 3-D linkage structure in the fibrous VGGF measured by the SEM is about between 5 area % and 50 area %. The VGGF composition and its mixture are applied to the composite materials, thereby promoting the strength, electric and thermal conductivity of the composite materials.Type: ApplicationFiled: October 12, 2012Publication date: February 13, 2014Applicant: YONGYU APPLIED TECHNOLOGY MATERIAL CO., LTDInventors: Chun-Shan WANG, Teng-Hui WANG
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Patent number: 7550130Abstract: A method for producing vapor-grown carbon fibers (VGCF) having a three-dimensional linkage structure is disclosed. The method includes directly delivering heterogeneous catalysts dissolved in a liquid hydrocarbon raw material into a reaction chamber so as to continuously grow vapor-grown carbon fibers having a three-dimensional linkage structure without additional treatment. The method adopts a fluidized bed method, wherein a raw material solution consisting of a hydrocarbon compound, ferrocene (Fe(C5H5)2), thiophene and an organometalic (non-iron) compound is vaporized by preheat. Thereafter, the raw material gas and hydrogen gas are injected into a tubular reactor and pyrolized to produce vapor-grown carbon fibers with 3-D linkage structure.Type: GrantFiled: November 25, 2005Date of Patent: June 23, 2009Assignee: Yonyu Plastics Co., Ltd.Inventors: Chun-Shan Wang, Ya-Jen Huang, Yen-Chu Tan, Kai-Jen Ko, Shih-Peng Yang
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Patent number: 7446160Abstract: A series of novel phosphorus-containing cured benzoxazine resins, which are synthesized from dihydrobenzoxazine resins with reactive phosphorus-containing compounds. The cured benzoxazine resins have desired flame retardancy and high glass transition temperature, and are suitable for the fabrication of printed circuit board and the semiconductor encapsulant applications.Type: GrantFiled: April 13, 2005Date of Patent: November 4, 2008Assignee: National Cheng Kung UniversityInventors: Chun Shan Wang, Jeng Yueh Shieh, Chi Yi Lin, Wan Jung Hsieh
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Patent number: 7399521Abstract: A carbon-containing metal matrix composite material and a method for producing the same are described, wherein the graphitized vapor grown carbon fibers (VGCF) on which a metal carbide film is formed via a sintering step, so as to improve the compounding quality and increase the content of the carbon material in the metal matrix, are dispersed uniformly in the metal matrix. The graphitized VGCF used in the present invention can be unidirectional VGCF or the VGCF having a three-dimensional linkage structure.Type: GrantFiled: January 6, 2006Date of Patent: July 15, 2008Assignee: Yonyu Plastics Co., Ltd.Inventors: Chun-Shan Wang, Ya-Jen Huang, Chin-Tien Kuo, Yi-Chen Wu
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Patent number: 7374731Abstract: A reaction apparatus for producing vapor-grown carbon fibers (VGCF) and a continuous production system for producing VGCF are disclosed. The VGCF reaction apparatus is featured in installing a plurality of holes on the upper portion of inner tubes; and filling thermally conductive material in the areas between the inner tubes and the outer tube. The continuous production system includes the reaction apparatus, a product collection system and a carrier-gas collecting system, wherein carbon fibers produced by the reaction apparatus fall into the product collection system, and in the product collection system, a collection bin full-loaded with carbon fibers is pushed out and an empty bin is pushed into the collection chamber under PLC control as well as atmosphere replacement with inert gas, thereby continuously producing VGCF.Type: GrantFiled: September 2, 2005Date of Patent: May 20, 2008Assignee: Yonyu Plastics Co., Ltd.Inventors: Chun-Shan Wang, Ya-Jen Huang, Yen-Chu Tan, Kai-Jen Ko, Shih-Peng Yang
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Publication number: 20070160841Abstract: A carbon-containing metal matrix composite material and a method for producing the same are described, wherein the graphitized vapor grown carbon fibers (VGCF) on which a metal carbide film is formed via a sintering step, so as to improve the compounding quality and increase the content of the carbon material in the metal matrix, are dispersed uniformly in the metal matrix. The graphitized VGCF used in the present invention can be unidirectional VGCF or the VGCF having a three-dimensional linkage structure.Type: ApplicationFiled: January 6, 2006Publication date: July 12, 2007Inventors: Chun-Shan Wang, Ya-Jen Huang, Chin-Tien Kuo, Yi-Chen Wu
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Publication number: 20070152373Abstract: This invention provides a method for fabricating golf club head parts of high strength. At first, vapor grown carbon fibers (VGCF) with 3-D linkage structure is directly grown through a fluidized bed process. Then the VGCF in weight of less than 50 wt % is compounded with 50 wt %˜99 wt % thermoplastic resin or thermosetting resin so as to make a composite material. Thereafter, the composite material is injection-molded or compression-molded to form the golf club head parts with outstanding strength and modulus, light weight, low linear expansion coefficient and high vibration absorption.Type: ApplicationFiled: January 3, 2006Publication date: July 5, 2007Inventors: Chun-Shan Wang, Ya-Jen Huang, Chin-Tien Kuo, Kai-Jen Ko, Shih-Peng Yang, Yen-Chu Tan
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Reaction apparatus for producing vapor-grown carbon fibers and continuous production system therefor
Publication number: 20070051313Abstract: A reaction apparatus for producing vapor-grown carbon fibers (VGCF) and a continuous production system for producing VGCF are disclosed. The VGCF reaction apparatus is featured in installing a plurality of holes on the upper portion of inner tubes; and filling thermally conductive material in the areas between the inner tubes and the outer tube. The continuous production system includes the reaction apparatus, a product collection system and a carrier-gas collecting system, wherein carbon fibers produced by the reaction apparatus fall into the product collection system, and in the product collection system, a collection bin full-loaded with carbon fibers is pushed out and an empty bin is pushed into the collection chamber under PLC control as well as atmosphere replacement with inert gas, thereby continuously producing VGCF.Type: ApplicationFiled: September 2, 2005Publication date: March 8, 2007Inventors: Chun-Shan Wang, Ya-Jen Huang, Yen-Chu Tan, Kai-Jen Ko, Shih-Peng Yang -
Patent number: 7158849Abstract: A method for rapid prototyping by using linear light as sources employs DLP (Radiation Hardening Formation) or LCD, together with the portable devices and linear light source to treat the raw material in two stages. The first stage is to spread the raw material to a selected zone by nozzles or rollers and illuminating the material to let the material being processed and have physical o mechanical changes. The second stage is to use more powerful linear light source with the cooperation of the portable DMD (Digital Micromirror Device) or LCD (Liquid Crystal Display) to illuminate the material to make it have a second times of physical o mechanical changes. By the piling up the layers of the material, a complete 3-D work piece is obtained.Type: GrantFiled: October 28, 2004Date of Patent: January 2, 2007Assignee: National Cheng Kung UniversityInventors: Sheng-Jye Huang, Cheng-Chien Wang, Sen-Yung Lee, Chuih-Kuan Wang, Chun-Shan Wang, Chuh-Yung Chen, Chieh-Li Chen, Wei-Siang Lai, Chen Hsieh, Tzong-Shing Leu, Chun-I Cheng
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Publication number: 20060290772Abstract: The invention discloses a method of manufacturing rapid prototyping workpiece by projecting a laser beam or other light onto the photo-conductive drum to attach powder materials to form a thin layer, and then coat the thin-layer material on a working platform. A point, line or plane light source of stronger intensity is used to go with the DMD (Digital Micromirror Device) or LCD (Liquid Crystal Display) to produce a physical change or a chemical change in the selected projecting region and combine the materials to become an acceptable property. The method comprises three stages of a process and repeats the process to complete a physical workpiece. The first stage refers to evenly spreading electric charges on a photo-conductive drum, and then projects a laser beam or a visible light onto the photo-conductive drum to electically conduct the electric charges and lower the electric potiential.Type: ApplicationFiled: June 23, 2005Publication date: December 28, 2006Inventors: Sheng-Jye Hwang, Sen-Yung Lee, Wei-Hsian Lai, Chun-I Cheng, Muh-Rong Wang, Chun-Shan Wang, Chuh-Yung Chen, Chieh-Li Chen, Chen Hsieh, Cheng-Chien Wang, Tzong-Shyng Leu
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Patent number: 7079915Abstract: A method for rapid prototyping by using plane light as sources treats the raw material by two stages. The first stage includes a step of spreading raw material onto a defined zone by nozzles and rolling the material to have a flat surface and a step of illuminating the raw materials by plane light and electronic beams to cause a first time of physical or chemical changes. The second stage includes a step of using more powerful plane light source with cooperation with portable Digital Micromirror Device (DMD) or Liquid Crystal Display (LCD) to scan the selected zones of the material to cause a second time of physical or chemical changes, and a step of stacking the 2-D images so as to obtain a solid work piece.Type: GrantFiled: October 28, 2004Date of Patent: July 18, 2006Assignee: National Cheng Kung UniversityInventors: Sheng-Jye Huang, Cheng-Chien Wang, Sen-Yung Lee, Chuih-Kuan Wang, Chun-Shan Wang, Chuh-Yung Chen, Chieh-Li Chen, Wei-Siang Lai, Chen Hsieh, Tzong-Shing Leu, Chun-I Cheng
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Publication number: 20060147629Abstract: A method for producing vapor-grown carbon fibers (VGCF) having a three-dimensional linkage structure is disclosed. The method includes directly delivering heterogeneous catalysts dissolved in a liquid hydrocarbon raw material into a reaction chamber so as to continuously grow vapor-grown carbon fibers having a three-dimensional linkage structure without additional treatment. The method adopts a fluidized bed method, wherein a raw material solution consisting of a hydrocarbon compound, ferrocene (Fe(C5H5)2), thiophene and an organometalic (non-iron) compound is vaporized by preheat. Thereafter, the raw material gas and hydrogen gas are injected into a tubular reactor and pyrolized to produce vapor-grown carbon fibers with 3-D linkage structure.Type: ApplicationFiled: November 25, 2005Publication date: July 6, 2006Inventors: Chun-Shan Wang, Ya-Jen Huang, Yen-Chu Tan, Kai-Jen Ko, Shih-Peng Yang
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Publication number: 20060100734Abstract: A method for rapid prototyping by using linear light as sources employs DLP (Radiation Hardening Formation) or LCD, together with the portable devices and linear light source to treat the raw material in two stages. The first stage is to spread the raw material to a selected zone by nozzles or rollers and illuminating the material to let the material being processed and have physical o mechanical changes. The second stage is to use more powerful linear light source with the cooperation of the portable DMD (Digital Micromirror Device) or LCD (Liquid Crystal Display) to illuminate the material to make it have a second times of physical o mechanical changes. By the piling up the layers of the material, a complete 3-D work piece is obtained.Type: ApplicationFiled: October 28, 2004Publication date: May 11, 2006Inventors: Sheng-Jye Huang, Cheng-Chien Wang, Sen-Yung Lee, Chuih-Kuan Wang, Chun-Shan Wang, Chuh-Yung Chen, Chieh-Li Chen, Wei-Siang Lai, Chen Hsieh, Tzong-Shing Leu, Chun-I Cheng
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Publication number: 20060100733Abstract: A method for rapid prototyping by using plane light as sources treats the raw material by two stages. The first stage includes a step of spreading raw material onto a defined zone by nozzles and rolling the material to have a flat surface and a step of illuminating the raw materials by plane light and electronic beams to cause a first time of physical or chemical changes. The second stage includes a step of using more powerful plane light source with cooperation with portable Digital Micromirror Device (DMD) or Liquid Crystal Display (LCD) to scan the selected zones of the material to cause a second time of physical or chemical changes, and a step of stacking the 2-D images sodas to obtain a solid work piece.Type: ApplicationFiled: October 28, 2004Publication date: May 11, 2006Inventors: Sheng-Jye Huang, Cheng-Chien Wang, Sen-Yung Lee, Chuih-Kuan Wang, Chun-Shan Wang, Chuh-Yung Chen, Chieh-Li Chen, Wei-Siang Lai, Chen Hsieh, Tzong-Shing Leu, Chun-I Cheng
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Patent number: 6992151Abstract: The present invention discloses an active-hydrogen-containing curing agent having a phosphorus group, and a flame retardant cured epoxy resin which can be prepared via an addition reaction between the active hydrogen and the epoxide group of an epoxy resin. The cured flame retardant epoxy resin is environmentally friendly and is suitable for printed circuit board and semiconductor encapsulation applications. The phosphorus group of the curing agent has a chemical structure as follows: wherein Ar is a substituted or un-substituted phenyl or phenoxy.Type: GrantFiled: July 14, 2003Date of Patent: January 31, 2006Assignee: National Science CouncilInventors: Chun-Shan Wang, Jeng-Yueh Shieh
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Publication number: 20050225007Abstract: This invention applies a new computer and printer integrated technology to aid forming physical objects rapidly, and the method and apparatus are disclosed to satisfy the market requirements for a quick, reliable, safe, and inexpensive operation. The invention coverts a virtual object stored in the storage device of computer through software that slices the virtual object into many layers. The cross-section of the first layer is sent to a printer or a plotter, and the contour domain is printed or plotted by the printer or plotter. The fluid (not limited to binder) in the printer head is coated onto a layer of uniform distributed porous material which allows the powder and fluid to combine with each other; however, the combining process can be either a natural or an artificial process to enhance the binding force between the fluid and powder. After the first layer is finished, the second layer of powder is uniformly distributed on the first layer, and the contour printing process is repeated.Type: ApplicationFiled: March 30, 2005Publication date: October 13, 2005Inventors: Wei-Hsian Lai, Chun-I Cheng, Sen-Yung Lee, Muh-Rong Wang, Chun-Shan Wang, Chuh-Yung Chen, Chieh-li Chen, Chen Hsieh, Sheng-Jye Hwang, Cheng-Chien Wang, Tzong-Shyng Leu