Search Results - chih-hung+chang

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ODS Steel made by Additive Manufacturing
Background Hybrid compact heat exchangers are being considered as secondary heat exchangers for supercritical carbon dioxide (sCO2) power plants. Architecture for efficient heat exchangers require thin sidewalls between the sCO2 channels and other fluid (e.g., molten salt). Generally, a stiff, corrosionā€resistant material capable of high temperature...
Published: 4/22/2019   |   Inventor(s): Brian Paul, Somayeh Pasebani, Burak Sencer, Chih-Hung Chang, Goran Jovanovic, Brian Fronk, Kijoon Lee, Milad Ghayoor Baghbani, Yujuan He, Matthew Coblyn, Paul Armatis, William Pratte
Keywords(s): 3D Printing, Additive Manufacturing, Advanced Technology and Manufacturing Inst. (ATAMI), hardened steel, Manufacturing, Materials Science, Metal Alloy, Oxide dispersion
Category(s): Engineering, Materials Science, Physical Science
Conductive Metalorganic Framework Chemical Sensors
Technology Description This technology is a gas sensing device made of a highly oriented metal-organic framework (MOF) material on an oxide substrate. The MOF is also made conductive by the addition of a redox active molecule. The conductive MOF is made without using a gold substrate, and the method of assembling the MOF layers incorporating the redox...
Published: 4/6/2017   |   Inventor(s): Chih-Hung Chang, Ki-Joong Kim, Alan Wang, Yujing Zhang, Xinyuan Chong
Keywords(s): Advanced Technology and Manufacturing Inst. (ATAMI), Chemicals / Chemical Engineering, Sensors
Category(s): Chemical, Device, Engineering, Materials Science, Nanoscience & Microtechnologies, Physical Science
Apparatus and Method for continuous Production of Semiconductor Nanoparticles
Technology Description This technology is a continuous-flow injection reactor and a method for continuous material synthesis, including the continuous synthesis of nanoparticles. The reactor features a mixing zone unit and a removable residence time unit coupled to the mixing unit. The mixing unit includes a series of inlets for reactant solutions to...
Published: 5/26/2016   |   Inventor(s): Chih-Hung Chang, Hyundae Jin, Yu-Wei Su
Keywords(s): Advanced Technology and Manufacturing Inst. (ATAMI), Chemicals / Chemical Engineering, Electrical & Computer Engineering, Nanotechnology
Category(s): Chemical, Chemistry, Engineering, Nanoscience & Microtechnologies, Device, Materials Science, Physical Science
Segmented Flow for a Continuous Flow Microwave Reactor
Technology Description This invention is a continuous, segmented flow reactor system and method for the production of high quality NCs with microwave radiation. The system for NCs synthesis consists of an NC precursor configured to include an NC precursor solution with the ability to include a microwave reactor, segmentation fluid source, or other configurations...
Published: 5/24/2016   |   Inventor(s): Gregory Herman, Brian Paul, Chih-Hung Chang, Ki-Joong Kim, Richard Oleksak, Padmavathi Chandran, Eric Hostetler, Brendan Flynn, Daniel Peterson, Bob Fitzmorris, Gustavo Albuquerque
Keywords(s): Advanced Technology and Manufacturing Inst. (ATAMI), Chemicals / Chemical Engineering, Computer Software, Materials Science, Nanotechnology, Photovoltaics
Category(s): Engineering
Fiber Optic Infrared Absorption Gas Sensors with Metal-Organic Framework Materials
Technology Description The fiber-optic chemical sensing platform couples light guides with a metal-organic framework (MOF) and plasmonic nanomaterial sensing components to provide increased near-infared (NIR) detection sensitivity. The MOF thin films rapidly absorb and sense gases by leveraging a network of plasmonic nanocrystals that act at the NIR...
Published: 5/23/2016   |   Inventor(s): Alan Wang, Chih-Hung Chang, Paul Ohodnicki, Ki-Joong Kim, Xinyuan Chong
Keywords(s): Advanced Technology and Manufacturing Inst. (ATAMI), fiber optics, Sensors
Category(s): Engineering
In-situ Reactive Inks for Printable Conductive Features at Room Temperature
Background of Invention Silver possesses excellent electrical conductivity, surface plasmon resonance, and high reflectivity, leading to its use in a wide variety of applications including microelectronic circuitry, gas sensors, low emissivity coatings and transparent conductive electrodes. Significant effort has been made toward the development...
Published: 5/23/2016   |   Inventor(s): Chih-Hung Chang, Chang-Ho Choi
Keywords(s): Advanced Technology and Manufacturing Inst. (ATAMI), Chemicals / Chemical Engineering, electronics, microreactor, transparent electronics
Category(s): Engineering, Materials Science, Nanoscience & Microtechnologies, Physical Science
Solution-Based Process for Making Inorganic Materials
Technology Description This is a process for the solution-deposition of inorganic materials/compounds onto a target substrate. The solution is deposited onto the substrate using a process selected from a finite array of application options including but not limited to inkjet printing, spin coating, spray coating, and dip coating. This process provides...
Published: 5/19/2016   |   Inventor(s): Chih-Hung Chang, Wei Wang
Keywords(s): Advanced Technology and Manufacturing Inst. (ATAMI), Chemicals / Chemical Engineering, Materials Science
Category(s): Engineering
Novel Continuous Flow Microchemical Systems for the Deposition of Functional Thin Films
Technology Description A micromixer mixes two fluid sources (sometimes only one) in order to initiate formation of deposition material, and a microchannel applicator is used to apply the deposition fluid to a substrate. A constant flux of reactant in a chemical bath solution ensures that the fluid remains homogenous, not allowing the solution to impinge...
Published: 4/3/2015   |   Inventor(s): Chih-Hung Chang, Prakash Mugdur
Keywords(s): Advanced Technology and Manufacturing Inst. (ATAMI), Chemicals / Chemical Engineering, Electrical & Computer Engineering, Materials Science
Category(s): Materials Science, Chemical, Chemistry, Device, Engineering, Nanoscience & Microtechnologies, Physical Science
A Simple and General Route to Digital Fabrication of Inorganic Electonic Materials
Technology Description OSU inventors, Dr.Chih-hung Chang, Doo Hyoung Lee and Yu-Jen Chang have developed simple and general routes to form high performance inorganic electronic materials( semiconductors, insulators, conductors and luminescent materials) that are suitable for digital fabrication.This newly invented route could be implemented through...
Published: 6/25/2009   |   Inventor(s): Chih-Hung Chang, Doo-Hyoung Lee, Yu-Jen Chang
Keywords(s): Advanced Technology and Manufacturing Inst. (ATAMI), Chemicals / Chemical Engineering, Electrical & Computer Engineering, Materials Science
Category(s): Materials Science
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