Patents by Inventor Kuo-Chuang Chiu
Kuo-Chuang Chiu 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: 11939268Abstract: A method of forming low-k material is provided. The method includes providing a plurality of core-shell particles. The core of the core-shell particles has a first ceramic with a low melting point. The shell of the core-shell particles has a second ceramic with a low melting point and a low dielectric constant. The core-shell particles are sintered and molded to form a low-k material. The shell of the core-shell particles is connected to form a network structure of a microcrystal phase.Type: GrantFiled: December 23, 2020Date of Patent: March 26, 2024Assignee: INDUSTRIAL TECHNOLOGY RESEARCH INSTITUTEInventors: Kuo-Chuang Chiu, Tzu-Yu Liu, Tien-Heng Huang, Tzu-Chi Chou, Cheng-Ting Lin
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Publication number: 20230202928Abstract: A ceramic material includes zirconia toughened alumina (ZTA) doped with scandium (Sc) ions. ZTA can be further doped with other metal ions, and the other metal ions include cobalt (Co) ions, chromium (Cr) ions, zinc (Zn) ions, titanium (Ti) ions, manganese (Mn) ions, nickel (Ni) ions, or a combination thereof. The ceramic material can be used as a ceramic object, such as a wire bonding capillary, a heat dissipation plate, a denture tooth, orthopedic implants, direct bonded copper, or a high-temperature co-fired ceramic.Type: ApplicationFiled: December 28, 2021Publication date: June 29, 2023Inventors: Tien-Heng HUANG, Yu-Han WU, Kuo-Chuang CHIU, Chieh-Yu YANG
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Publication number: 20220204409Abstract: A ceramic material includes zirconia toughened alumina (ZTA), which is doped with zinc ions and other metal ions, in which the other metal ions are chromium (Cr) ions, titanium (Ti) ions, gadolinium (Gd) ions, manganese (Mn) ions, cobalt (Co) ions, iron (Fe) ions, or a combination thereof. The ceramic material may have a hardness of 1600 Hv10 to 2200 Hv10 and a bending strength of 600 MPa to 645 MPa. The ceramic material can be used as wire bonding capillary.Type: ApplicationFiled: December 17, 2021Publication date: June 30, 2022Inventors: Tien-Heng HUANG, Yu-Han WU, Kuo-Chuang CHIU
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Patent number: 11076483Abstract: A direct bonded copper ceramic substrate is provided, which includes a nitride ceramic substrate, a first passivation layer, and a first copper layer. The first passivation layer includes aluminum oxide or silicon oxide doped with another metal. The other metal is titanium, vanadium, chromium, manganese, iron, cobalt, nickel, copper, or a combination thereof. The aluminum or silicon and the other metal have a weight ratio of 60:40 to 99.5:0.5. The first passivation layer is disposed between the top surface of the nitride ceramic substrate and the first copper layer.Type: GrantFiled: December 19, 2019Date of Patent: July 27, 2021Assignee: INDUSTRIAL TECHNOLOGY RESEARCH INSTITUTEInventors: Kai-Hsiang Chuang, Chien-Chiang Hsu, Chien-Chung Hsu, Kuo-Chuang Chiu
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Publication number: 20210198154Abstract: A method of forming low-k material is provided. The method includes providing a plurality of core-shell particles. The core of the core-shell particles has a first ceramic with a low melting point. The shell of the core-shell particles has a second ceramic with a low melting point and a low dielectric constant. The core-shell particles are sintered and molded to form a low-k material. The shell of the core-shell particles is connected to form a network structure of a microcrystal phase.Type: ApplicationFiled: December 23, 2020Publication date: July 1, 2021Applicant: INDUSTRIAL TECHNOLOGY RESEARCH INSTITUTEInventors: Kuo-Chuang CHIU, Tzu-Yu LIU, Tien-Heng HUANG, Tzu-Chi CHOU, Cheng-Ting LIN
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Publication number: 20210161006Abstract: A direct bonded copper ceramic substrate is provided, which includes a nitride ceramic substrate, a first passivation layer, and a first copper layer. The first passivation layer includes aluminum oxide or silicon oxide doped with another metal. The other metal is titanium, vanadium, chromium, manganese, iron, cobalt, nickel, copper, or a combination thereof. The aluminum or silicon and the other metal have a weight ratio of 60:40 to 99.5:0.5. The first passivation layer is disposed between the top surface of the nitride ceramic substrate and the first copper layer.Type: ApplicationFiled: December 19, 2019Publication date: May 27, 2021Applicant: INDUSTRIAL TECHNOLOGY RESEARCH INSTITUTEInventors: Kai-Hsiang CHUANG, Chien-Chiang HSU, Chien-Chung HSU, Kuo-Chuang CHIU
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Patent number: 10944115Abstract: A cathode layer and a membrane electrode assembly of a solid oxide fuel cell are provided. The cathode layer consists of a plurality of perovskite crystal films, and the average change rate of linear thermal expansion coefficients of these perovskite crystal films is about 5% to 40% along the thickness direction. The membrane electrode assembly includes the above-mentioned cathode layer, and the linear thermal expansion coefficients of these perovskite crystal films are reduced towards the solid electrolyte layer of the membrane electrode assembly.Type: GrantFiled: January 24, 2019Date of Patent: March 9, 2021Assignee: Industrial Technology Research InstituteInventors: Tzu-Chi Chou, Kuo-Chuang Chiu, Tzu-Yu Liu, Yung-Hsiang Juan, Ying-Hao Chu
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Publication number: 20190237769Abstract: A cathode layer and a membrane electrode assembly of a solid oxide fuel cell are provided. The cathode layer consists of a plurality of perovskite crystal films, and the average change rate of linear thermal expansion coefficients of these perovskite crystal films is about 5% to 40% along the thickness direction. The membrane electrode assembly includes the above-mentioned cathode layer, and the linear thermal expansion coefficients of these perovskite crystal films are reduced towards the solid electrolyte layer of the membrane electrode assembly.Type: ApplicationFiled: January 24, 2019Publication date: August 1, 2019Applicant: Industrial Technology Research InstituteInventors: Tzu-Chi Chou, Kuo-Chuang Chiu, Tzu-Yu Liu, Yung-Hsiang Juan, Ying-Hao Chu
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Patent number: 10274443Abstract: A urea concentration identification method is provided. By providing an identical sine-wave AC signal to each of the urea concentration identification devices placed in urea solutions of different concentrations, different impedance values are output by the urea concentration identification devices since the urea solutions of different concentrations have different electrical interactions with the electrodes of the urea concentration identification device. Differences of the impedance output by the urea concentration identification device function as a data set for determining the concentration of the urea solution to be determined.Type: GrantFiled: December 8, 2017Date of Patent: April 30, 2019Assignee: Industrial Technology Research InstituteInventors: Tzu-Yu Liu, Kuo-Chuang Chiu, Hung Tien, Yeh-Chyang Huang
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Patent number: 10252215Abstract: A composition and a device for purification of nitrogen-oxide-containing gas is provided. It can purify harmful nitrogen-oxide-containing gases, such as nitric oxide or nitrogen dioxide. The composition includes an alkaline substance and at least one organic acid, the organic acids having an enediol group, enediamine group, or amine group of cyclopentane compounds, cyclohexane compounds, cycloheptane compounds, or phenanthrene compounds.Type: GrantFiled: March 17, 2017Date of Patent: April 9, 2019Assignee: Industrial Technology Research InstituteInventors: Kai-Hsiang Chuang, Kuo-Chuang Chiu, Kuan-Yi Li
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Publication number: 20180104643Abstract: A composition and a device for purification of nitrogen-oxide-containing gas is provided. It can purify harmful nitrogen-oxide-containing gases, such as nitric oxide or nitrogen dioxide. The composition includes an alkaline substance and at least one organic acid, the organic acids having an enediol group, enediamine group, or amine group of cyclopentane compounds, cyclohexane compounds, cycloheptane compounds, or phenanthrene compounds.Type: ApplicationFiled: March 17, 2017Publication date: April 19, 2018Applicant: INDUSTRIAL TECHNOLOGY RESEARCH INSTITUTEInventors: Kai-Hsiang CHUANG, Kuo-Chuang CHIU, Kuan-Yi LI
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Publication number: 20180100820Abstract: A urea concentration identification method is provided. By providing an identical sine-wave AC signal to each of the urea concentration identification devices placed in urea solutions of different concentrations, different impedance values are output by the urea concentration identification devices since the urea solutions of different concentrations have different electrical interactions with the electrodes of the urea concentration identification device. Differences of the impedance output by the urea concentration identification device function as a data set for determining the concentration of the urea solution to be determined.Type: ApplicationFiled: December 8, 2017Publication date: April 12, 2018Applicant: Industrial Technology Research InstituteInventors: Tzu-Yu Liu, Kuo-Chuang Chiu, Hung Tien, Yeh-Chyang Huang
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Patent number: 9850172Abstract: Disclosed is a method of manufacturing a ceramic powder, which includes forming a slurry by mixing of first ceramic particles, binder and water, spraying and drying the slurry to form a first ceramic core portion, and thermally treating and shaping the first ceramic core portion. The first ceramic core portion has a first flexural strength and a first coefficient of thermal expansion. The method further includes forming another slurry to form a second ceramic shell portion formed by second ceramic particles and covering the first ceramic core portion. The second ceramic shell portion has a second flexural strength and a second coefficient of thermal expansion. The ceramic powder is formed by thermally treating and shaping the first ceramic core portion and the second ceramic shell portion.Type: GrantFiled: October 14, 2015Date of Patent: December 26, 2017Assignee: INDUSTRIAL TECHNOLOGY RESEARCH INSTITUTEInventors: Yu-Han Wu, Kuo-Chuang Chiu
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Patent number: 9766193Abstract: A liquid concentration detecting device including a first substrate, a first temperature sensing element and a concentration sensor is provided. The first temperature sensing element and the concentration sensor are respectively disposed on opposite first surface and second surface of the first substrate. The concentration sensor includes a second substrate, a porous element, a heating element and a second temperature sensing element. The second substrate is disposed above the second surface. A portion of the liquid flows into the concentration sensor through the porous element, and the heating element heats the liquid in the concentration sensor. The second temperature sensing element measures the temperature variation of the liquid in the concentration sensor. The measured temperature and the temperature variation are compared to deduce a concentration of the liquid under detection.Type: GrantFiled: December 26, 2014Date of Patent: September 19, 2017Assignees: Industrial Technology Research Institute, QIAN JUN TECHNOLOGY LTD.Inventors: Tzu-Yu Liu, Kuo-Chuang Chiu, Hung Tien, Shiou-Lan Hu, Yeh-Chyang Huang
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Publication number: 20160313268Abstract: A urea concentration identification device and a urea concentration identification method are provided. By providing an identical sine-wave AC signal to each of the urea concentration identification devices placed in urea solutions of different concentrations, different impedance values are output by the urea concentration identification devices since the urea solutions of different concentrations have different electrical interactions with the electrodes of the urea concentration identification device. Differences of the impedance output by the urea concentration identification device function as a data set for determining the concentration of the urea solution to be determined.Type: ApplicationFiled: September 14, 2015Publication date: October 27, 2016Inventors: Tzu-Yu Liu, Kuo-Chuang Chiu, Hung Tien, Shiou-Lan Hu, Yeh-Chyang Huang
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Publication number: 20160115083Abstract: Disclosed is a method of manufacturing a ceramic powder, which includes forming a slurry by mixing of first ceramic particles, binder and water, spraying and drying the slurry to form a first ceramic core portion, and thermally treating and shaping the first ceramic core portion. The first ceramic core portion has a first flexural strength and a first coefficient of thermal expansion. The method further includes forming another slurry to form a second ceramic shell portion formed by second ceramic particles and covering the first ceramic core portion. The second ceramic shell portion has a second flexural strength and a second coefficient of thermal expansion. The ceramic powder is formed by thermally treating and shaping the first ceramic core portion and the second ceramic shell portion.Type: ApplicationFiled: October 14, 2015Publication date: April 28, 2016Applicant: INDUSTRIAL TECHNOLOGY RESEARCH INSTITUTEInventors: Yu-Han WU, Kuo-Chuang CHIU
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Publication number: 20160084780Abstract: A liquid concentration detecting device including a first substrate, a first temperature sensing element and a concentration sensor is provided. The first temperature sensing element and the concentration sensor are respectively disposed on opposite first surface and second surface of the first substrate. The concentration sensor includes a second substrate, a porous element, a heating element and a second temperature sensing element. The second substrate is disposed above the second surface. A portion of the liquid flows into the concentration sensor through the porous element, and the heating element heats the liquid in the concentration sensor. The second temperature sensing element measures the temperature variation of the liquid in the concentration sensor. The measured temperature and the temperature variation are compared to deduce a concentration of the liquid under detection.Type: ApplicationFiled: December 26, 2014Publication date: March 24, 2016Inventors: Tzu-Yu Liu, Kuo-Chuang Chiu, Hung Tien, Shiou-Lan Hu, Yeh-Chyang Huang
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Patent number: 8927986Abstract: The disclosure provides a p-type metal oxide semiconductor material. The p-type metal oxide semiconductor material has the following formula: In1?xGa1?yMx+yZnO4+m, wherein M is Ca, Mg, or Cu, 0<x+y?0.1, 0?m?3, and 0<x, 0?y, or 0?x, 0<y, and wherein a hole carrier concentration of the p-type metal oxide semiconductor material is in a range of 1×1015˜6×1019 cm?3.Type: GrantFiled: September 27, 2013Date of Patent: January 6, 2015Assignee: Industrial Technology Research InstituteInventors: Tzu-Chi Chou, Kuo-Chuang Chiu, Show-Ju Peng, Shan-Haw Chiou, Yu-Tsz Shie
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Patent number: 8808494Abstract: Disclosed is a bonding structure, including a heat dissipation substrate, a eutectic layer on the heat dissipation substrate, and a copper layer on the eutectic layer. The thermal dissipation substrate includes aluminum oxide, aluminum nitride, or zirconium oxide. The eutectic layer includes aluminum oxide, aluminum nitride, or zirconium oxide doped with zinc, tin, indium, or combinations thereof.Type: GrantFiled: October 27, 2011Date of Patent: August 19, 2014Assignee: Industrial Technology Research InstituteInventor: Kuo-Chuang Chiu
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Publication number: 20140091302Abstract: The disclosure provides a p-type metal oxide semiconductor material. The p-type metal oxide semiconductor material has the following formula: In1?xGa1?yMx+yZnO4+m, wherein M is Ca, Mg, or Cu, 0<x+y?0.1, 0?m?3, and 0<x, 0?y, or 0?x, 0<y, and wherein a hole carrier concentration of the p-type metal oxide semiconductor material is in a range of 1×1015˜6×1019 cm?3.Type: ApplicationFiled: September 27, 2013Publication date: April 3, 2014Applicant: Industrial Technology Research InstituteInventors: Tzu-Chi CHOU, Kuo-Chuang CHIU, Show-Ju PENG, Shan-Haw CHIOU, Yu-Tsz SHIE