Search Results - douglas+loy

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3D Printed Glass Optical Elements with Controllable Local Transmission and Manufacturing Process
This invention is a method for fabricating complex 3D printed glass microstructures with controllable local transparency, targeting applications such as optical lens design and advanced optical components. It uses polymeric silsesquioxane (PSQ) and two-photon polymerization (TPP) to tune transparency levels by manipulating parameters like laser power,...
Published: 1/21/2025   |   Inventor(s): Rongguang Liang, Zhihan Hong, Piaoran Ye, Douglas Loy
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Category(s): Technology Classifications > Imaging & Optics > Materials & Fabrication, Technology Classifications > Imaging & Optics > Lens & System Design
Composite Filament for 3D Printing of Resorbable Bone Scaffolds
This innovation is composite filaments for 3D printing bioresorbable scaffolds for surgical implantation. These filaments typically have high strength, an appropriate resorption rate, and high biocompatibility. The resulting scaffolds offer customizable shapes and resorption rates. The improvement in this innovation compromises a bone volume fraction...
Published: 1/16/2025   |   Inventor(s): John Szivek, Luis Arciniaga, Douglas Loy, David Margolis
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Category(s): Technology Classifications > Life Sciences, Technology Classifications > Medical Devices, Technology Classifications > Sensors & Controls, Technology Classifications > Software & Information Technology, Technology Classifications > Materials
Solvent-Free Silsesquioxane for 3D Printing Glass Optics
3D printing of glass has demonstrated potential in diverse fields, such as photonics, imaging, and microfluidics. Researchers at the University of Arizona have developed a solvent-free polymeric silsesquioxane (PSQ) resin for 3D printing glass objects with high precision through a two-photon polymerization (TPP) method. The PSQ resin exhibits reduced...
Published: 7/25/2024   |   Inventor(s): Rongguang Liang, Piaoran Ye, Zhihan Hong, Douglas Loy
Keywords(s):  
Category(s): Technology Classifications > Engineering & Physical Sciences > Photonics, Technology Classifications > Engineering & Physical Sciences > Industrial & Manufacturing, Technology Classifications > Imaging & Optics > Optical Fab / Metrology, Technology Classifications > Imaging & Optics > Materials & Fabrication
Recovery and Separation of Metals from Aqueous Sources Utilizing Glycolipid Modified Hydrogels and Resins
This invention describes a methodology for using glycolipid-modified, reusable hydrogels to recover, concentrate, and separate toxic metals from aqueous solutions. Background: Heavy and toxic metal contamination poses a significant risk to human and environmental health in many commercial and environmental settings. Many commercial endeavors in fields...
Published: 5/1/2024   |   Inventor(s): Douglas Loy, David Hogan, Raina Maier, Alicja Babst-Kostecka, SusanKaye Perez, Chett Boxley, Ryan Stolley
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Category(s): Technology Classifications > Energy, Cleantech & Environmental, Technology Classifications > Energy, Cleantech & Environmental > Remediation > Water
UV-Curable Thiol-ene System for Broadband Infrared Transparent Objects
This invention is a UV-curable Thiol-ene system that marks a significant advancement in the production of infrared (IR) transparent materials. This solution harnesses an original thiol-ene strategy, which employs a meticulously designed combination of multithiols and divinyl oligomers (DVO). These components are exclusively comprised of C, H, and S...
Published: 1/10/2024   |   Inventor(s): Rongguang Liang, Piaoran Ye, Zhihan Hong, Douglas Loy
Keywords(s):  
Category(s): Technology Classifications > Imaging & Optics > Materials & Fabrication
3D Printed Lightguide Array for Optical Imaging
This technology is a collection of transparent glass or polymer elements (a lightguide array) for routing light to an array of sensors for use in spectral imaging. Background: Spectral imaging combines traditional optical images with spectroscopy to capture the spectral properties at each part of an image. This technology is useful because it can...
Published: 6/27/2024   |   Inventor(s): Rongguang Liang, Zhihan Hong, Piaoran Ye, Douglas Loy, Yuanyuan Sun
Keywords(s):  
Category(s): Technology Classifications > Imaging & Optics > Lens & System Design, Technology Classifications > Imaging & Optics > Displays
Ambient Dried Aerogels based on Alkyl Sulfide Bridged Polysilsesquioxanes
Aerogel is a low-density solid material that is produced by removing the liquid component from a conventional gel. Ambient dried aerogels utilize calculated levels of temperature and pressure using certain chemicals to remove the liquids from the aerogel. This technology is a method of preparation of low density, porous aerogels without the use of supercritical...
Published: 8/1/2024   |   Inventor(s): Douglas Loy, Kevin Frederick
Keywords(s):  
Category(s): Technology Classifications > Materials > Polymers
Optical Materials for Printing Glass Optics
This technology uses a liquid, solvent-free, silica precursor, and two-photon 3D printing process for high-precision glass micro-optics. Background: Inorganic glasses are widely used in industry due to their excellent optical, chemical, and thermal properties. Conventional grinding and polishing methods are the current standard for fabricating spherical,...
Published: 1/31/2024   |   Inventor(s): Rongguang Liang, Douglas Loy, Piaoran Ye, Zhihan Hong
Keywords(s):  
Category(s): Technology Classifications > Imaging & Optics
Photo-Curable Liquid Acrylate and Methacrylate Modified Silsesquioxane Oligomers with Built In Radical Initiators for Additive Manufacturing
This invention is a new photochemically curable resin with photo initiators for radical curing. This invention allows for faster curing rates using high and controlled concentrations of initiators. The invention also improves upon currently available resins, as this invention reduces the chances of resin chemical leaching and solves plasticization issues....
Published: 8/1/2024   |   Inventor(s): Douglas Loy, Rongguang Liang, Alyssa Ellsworth, Zhihan Hong
Keywords(s):  
Category(s): Technology Classifications > Engineering & Physical Sciences, Technology Classifications > Engineering & Physical Sciences > Industrial & Manufacturing, Technology Classifications > Materials, Technology Classifications > Materials > Polymers
3D Printing Using Tholins or Other Extraterrestrial Polymers
This technology will utilize non-earthbound resources as a polymer for use in 3D printing materials. This technology utilizes a polymer derived from Tholins. Background: It is costly and impractical to transport large amounts of material for construction and repair during space exploration and travel. 3D printing utilizing materials found in space...
Published: 8/1/2024   |   Inventor(s): Douglas Loy
Keywords(s):  
Category(s): Technology Classifications > Engineering & Physical Sciences, Technology Classifications > Engineering & Physical Sciences > Industrial & Manufacturing, Technology Classifications > Materials > Polymers
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