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Chip Warpage Reduction Via Raised Free Bending And Re-Entrant (Auxetic) Trace Geometries, David Huitink, John Harris
Chip Warpage Reduction Via Raised Free Bending And Re-Entrant (Auxetic) Trace Geometries, David Huitink, John Harris
Patents Granted
A microelectronic device and method of making the same including a substrate and at least one expansion layer that adds stress to the substrate when said substrate expands.
Cu2s-Based Superior Anode For Sodium-Ion Batteries, Xiangbo Meng, Jiyu Cai
Cu2s-Based Superior Anode For Sodium-Ion Batteries, Xiangbo Meng, Jiyu Cai
Patents Granted
As anode having an anode material, a current collector, a graphene-based material, and the graphene-based material covers the anode material.
Cooperative 3d Printing Platform, Wenchao Zhou, Lucas G. Marques, Robert Austin Williams
Cooperative 3d Printing Platform, Wenchao Zhou, Lucas G. Marques, Robert Austin Williams
Patents Granted
A 3-D printing system comprising a plurality of printers. The printers are motorized to allow movement in X and Y directions or to rotate freely. Each printer may have one or more printheads. Also provided is a surface independent from said printers adapted to receive a printed object.
Selective Resistive Sintering--A New Additive Manufacturing Method, Wenchao Zhou, Austin Bryan Van Horn, Nicholas Holt, Lucas G. Marques
Selective Resistive Sintering--A New Additive Manufacturing Method, Wenchao Zhou, Austin Bryan Van Horn, Nicholas Holt, Lucas G. Marques
Patents Granted
A system and method for selective heating and/or sintering of a material including first and second substrates, an array of one or more resistive heating elements arranged on a planar surface of a substrate and material to be heated located on the other substrate.
Resin Extrusion Printhead For 3d Printing, Casey Lindbloom, Wenchao Zhou
Resin Extrusion Printhead For 3d Printing, Casey Lindbloom, Wenchao Zhou
Patents Granted
A 3D printer comprising a pump, stepper motor adapted to drive the pump and a printing arm connected to a curing source and nozzle.
Fabrication Of Pcu/Uhmwpe Polymeric Blends And 3d Printing Using The Same, Raissa Araujo Borges, Min Zou
Fabrication Of Pcu/Uhmwpe Polymeric Blends And 3d Printing Using The Same, Raissa Araujo Borges, Min Zou
Patents Granted
The present invention relates to methods of fabricating PCU/UHMWPE blended filaments and medical implantable structures using 3D printing of polymeric material, such as PCU/UHMWPE blend structures. The 3D printer dispenses said polymeric material in a layer-by-layer manner to create said medical implant. Polymeric material is dispensed at up to 100% infill. In one embodiment, the layer-by-layer dispensing is at a reduced speed for the bottom and top 1 to 10 layers.
Antireflective Coating For Glass Applications And Method Of Forming Same, Min Zou, Corey Thompson, Robert A. Fleming
Antireflective Coating For Glass Applications And Method Of Forming Same, Min Zou, Corey Thompson, Robert A. Fleming
Patents Granted
One aspect of the disclosure is directed to a method for forming an antireflective coating on a substrate, which includes providing a polymer solution and a silica solution, depositing the polymer solution on a surface of the substrate to forming a polymer film thereon, depositing the silica solution on the formed polymer film on the substrate to form a silica film thereon, thereby forming a stack structure having the silica film formed on the polymer film that is, in turn, formed on the substrate, and drying the stack structure to form the antireflective coating on the substrate, wherein the antireflective …
Helical Fin Design By Additive Manufacturing Of Metal For Enhanced Heat Sink For Electronics Cooling, David Huitink, Bakhtiyar Mohammad Nafis, Reece Whitt
Helical Fin Design By Additive Manufacturing Of Metal For Enhanced Heat Sink For Electronics Cooling, David Huitink, Bakhtiyar Mohammad Nafis, Reece Whitt
Patents Granted
A heat sink and method of making the same. The heat sink having one or more helical fins. The helical fins configured such that the pressure field on either side of the fin is asymmetric.
High-Frequency Multi-Pulse Inkjet, Wenchao Zhou, Chao Sui
High-Frequency Multi-Pulse Inkjet, Wenchao Zhou, Chao Sui
Patents Granted
A printing system and method for forming an ink droplet through the use of a multi-pulse driving signal to increase the printing frequency without reducing the droplet size by applying a multi-pulse driving signal to a small nozzle and to increase the inkjet printing speed by using a smaller nozzle to produce the same-size droplet using a multi-pulse driving signal, which allow for higher printing frequency due to the smaller nozzle size as dictated by the fundamental droplet formation dynamics.
Digitization And Fabrication Of Custom Surface Topographies With Submicron Resolution, Mahyar Afsher Mohajer, Josue A. Goss, Dipankar Choudhury, Min Zou, Shelby R. Maddox
Digitization And Fabrication Of Custom Surface Topographies With Submicron Resolution, Mahyar Afsher Mohajer, Josue A. Goss, Dipankar Choudhury, Min Zou, Shelby R. Maddox
Patents Granted
The present invention relates generally to methods of fabricating surface topography based on a scanned surface topography. The method converts 3D scanned surface topography data that have submicron resolution to digital formats that can be stored, manipulated, or tiled, and used as an input for replicating the surface topography with submicron resolution on another substrate. The digitized surface topography data is then converted to input for 1) 3D printing to replicate the scanned surface topography with submicron resolution, with or without a subsequent coating layer or layers to impart additional properties and/or features, 2) 3D printing a master that replicates …
Techniques For Using Oxide Thickness Measurements For Predicting Crack Formation And Growth History In High-Temperature Metallic Components, Ashok Saxena, Ralph Edward Huneycutt Iv, Kee Bong Yoon
Techniques For Using Oxide Thickness Measurements For Predicting Crack Formation And Growth History In High-Temperature Metallic Components, Ashok Saxena, Ralph Edward Huneycutt Iv, Kee Bong Yoon
Patents Granted
A method and system to develop the age and history of a crack by exposing a specimen or component to varying predetermined temperature range that covers the designated service temperatures and measuring the thickness of the oxide across the specimen along the thickness direction.
Dielectric Nanolubricant Compositions, Ajay P. Malshe, Wengyang Zhang
Dielectric Nanolubricant Compositions, Ajay P. Malshe, Wengyang Zhang
Patents Granted
A dielectric nanolubricant composition is provided. The dielectric nanolubricant composition includes a nano-engineered lubricant additive dispersed in a base. The nano-engineered lubricant additive may include a plurality of solid lubricant nanostructures having an open-ended architecture and an organic, inorganic, and/or polymeric medium intercalated in the nanostructures and/or encapsulate nanostructures. The base may include a grease or oil such as silicone grease or oil, lithium complex grease, lithium grease, calcium sulfonate grease, silica thickened perfluoropolyether (PFPE) grease or PFPE oil, for example. This dielectric nanolubricant composition provides better corrosion and water resistance, high dielectric strength, longer material life, more inert chemistries, …
Method Of Fabricating A Nanochannel System For Dna Sequencing And Nanoparticle Characterization, Chao-Hung Steve Tung, Jin-Woo Kim, Taylor Busch
Method Of Fabricating A Nanochannel System For Dna Sequencing And Nanoparticle Characterization, Chao-Hung Steve Tung, Jin-Woo Kim, Taylor Busch
Patents Granted
A process for fabricating a nanochannel system using a combination of microelectromechanical system (MEMS) microfabrication techniques, atomic force microscopy (AFM) nanolithography, and focused ion beam (FIB). The nanochannel system, fabricated on either a glass or silicon substrate, has channel heights and widths on the order of single to tens of nanometers. The channel length is in the micrometer range. The nanochannel system is equipped with embedded micro and nanoscale electrodes, positioned along the length of the nanochannel for electron tunneling based characterization of nanoscale particles in the channel. Anodic bonding is used to cap off the nanochannel with a cover …
Method Of Fabricating A Nanochannel System For Dna Sequencing And Nanoparticle Characterization, Chao-Hung Steve Tung, Jin-Woo Kim, Taylor Busch
Method Of Fabricating A Nanochannel System For Dna Sequencing And Nanoparticle Characterization, Chao-Hung Steve Tung, Jin-Woo Kim, Taylor Busch
Patents Granted
A process for fabricating a nanochannel system using a combination of microelectromechanical system (MEMS) microfabrication techniques, atomic force microscopy (AFM) nanolithography, and focused ion beam (FIB). The nanochannel system, fabricated on either a glass or silicon substrate, has channel heights and widths on the order of single to tens of nanometers. The channel length is in the micrometer range. The nanochannel system is equipped with embedded micro and nanoscale electrodes, positioned along the length of the nanochannel for electron tunneling based characterization of nanoscale particles in the channel. Anodic bonding is used to cap off the nanochannel with a cover …
Nanostructured Hydroxyapatite Coating For Dental And Orthopedic Implants, Ajay P. Malshe, Wenping Jiang
Nanostructured Hydroxyapatite Coating For Dental And Orthopedic Implants, Ajay P. Malshe, Wenping Jiang
Patents Granted
'A high-strength coating for dental and orthopedic implants utilizing hydroxyapatite (HAp) nanoparticles provides for a high level of osseointegration through a range of surface pore sizes in the micro- to nanoscale. Zinc oxide (ZnO) nanoparticles may be incorporated with the HAp nanoparticles to form a composite coating material, with ZnO providing infection resistance due to its inherent antimicrobial properties. A textured surface, consisting of "islands" of roughly square coating structures measuring about 250 .mu.m on a side, with spacing of 50-100 .mu.m therebetween, may further promote the osseointegration and antimicrobial properties of the implant coating.
Methods And Apparatus For Making Coatings Using Electrostatic Spray, Ajay P. Malshe, Wenping Jiang, Justin B. Lowrey
Methods And Apparatus For Making Coatings Using Electrostatic Spray, Ajay P. Malshe, Wenping Jiang, Justin B. Lowrey
Patents Granted
Describe methods for creating coatings composed of a single material or a composite of multiple materials, beginning with ESC to deposit the base layer and then using other methods for the binding step beyond CVI. Also, for certain materials and applications, some pre-processing or pre-treatment of the coating materials is necessary prior to deposition in order to achieve a satisfactory coating. This application discloses methods for pre-deposition treatment of materials prior to ESC deposition. It also discloses methods for post-processing that provide additional functionality or performance characteristics of the coating. Finally, this application discloses certain apparatus and equipment for accomplishing …
Nanoparticle Compositions And Methods For Making And Using The Same, Ajay P. Malshe, Arpana Verma
Nanoparticle Compositions And Methods For Making And Using The Same, Ajay P. Malshe, Arpana Verma
Patents Granted
A composition that includes solid lubricant nanoparticles and an organic medium is disclosed, as well as nanoparticles that include layered materials. Methods of producing a nanoparticle by milling layered materials and of making a lubricant are provided. The method includes milling layered materials to form nanoparticles and incorporating the nanoparticles into a base to form a lubricant.
Fabrication Of Large Grain Polycrystalline Silicon Film By Nano Aluminum-Induced Crystallization Of Amorphous Silicon, Min Zou, Li Cai, William D. Brown
Fabrication Of Large Grain Polycrystalline Silicon Film By Nano Aluminum-Induced Crystallization Of Amorphous Silicon, Min Zou, Li Cai, William D. Brown
Patents Granted
One aspect of the invention relates to a method for fabricating a polycrystalline silicon film. In one embodiment, the method includes the steps of providing a substrate having a thermally-grown silicon dioxide layer, forming an amorphous silicon film on the thermally-grown silicon dioxide layer of the substrate, forming an aluminum layer on the amorphous silicon film to form a structure having the substrate, the amorphous silicon film and the aluminum layer, and annealing the structure at an annealing temperature for a period of time in an N2 environment with a ramp-up time to crystallize the amorphous silicon film to form …
Infinitely Stackable Interconnect Device And Method, Ron B. Foster, Ajay P. Malshe, Matthew W. Kelley
Infinitely Stackable Interconnect Device And Method, Ron B. Foster, Ajay P. Malshe, Matthew W. Kelley
Patents Granted
A device having the capability for electrical, thermal, optical, and fluidic interconnections to various layers is described. Through-substrate vias in the interconnect device are filled to enable electrical and thermal connection or optionally hermetically sealed relative to other surfaces to enable fluidic or optical connection. Optionally, optical components may be placed within the region in order to manipulate optical signals. Redistribution of electrical interconnection is accomplished on both top and bottom surfaces of the substrate of the interconnect chip.
Fabrication Of Large Grain Polycrystalline Silicon Film By Nano Aluminum-Induced Crystallization Of Amorphous Silicon, Min Zou, Li Cai, William D. Brown
Fabrication Of Large Grain Polycrystalline Silicon Film By Nano Aluminum-Induced Crystallization Of Amorphous Silicon, Min Zou, Li Cai, William D. Brown
Patents Granted
One aspect of the invention relates to a method for fabricating a polycrystalline silicon film. In one embodiment, it includes the steps of providing a substrate having a thermally-grown silicon dioxide layer, forming an amorphous silicon film on the thermally-grown silicon dioxide layer of the substrate, forming an aluminum layer on the amorphous silicon film to form a structure having the substrate, the amorphous silicon film and the aluminum layer, and annealing the structure at an annealing temperature for a period of time in an N2 environment with a ramp-up time to crystallize the amorphous silicon film to form a …
Nanoparticle Compositions, Coatings And Articles Made Therefrom, Methods Of Making And Using Said Compositions, Coatings And Articles, Ajay P. Malshe, Wenping Jiang, William D. Brown
Nanoparticle Compositions, Coatings And Articles Made Therefrom, Methods Of Making And Using Said Compositions, Coatings And Articles, Ajay P. Malshe, Wenping Jiang, William D. Brown
Patents Granted
Describes compositions comprising nanoparticles, microparticles, and combinations thereof, the particles may be overcoated particles. Composite coatings and coated articles made therefrom, the coatings comprising mono or multi layers having a textured outer surface morphology, the layers may be continuous and/or discontinuous and may comprise different particle phases. Methods of making and using the compositions, coatings and coated articles are described.
Packaging And Integration System For Micro Sensors In The Marine Environment, Shekhar Bhansali, Ajay P. Malshe, Shyam Aravamudhan
Packaging And Integration System For Micro Sensors In The Marine Environment, Shekhar Bhansali, Ajay P. Malshe, Shyam Aravamudhan
Patents Granted
The integrated unmanned, affordable, microsystem in accordance with the present invention is used to deploy physical or chemical sensors for continuous monitoring of sea space over large time periods. The microsystem is capable of measuring ocean physical parameters over large time spans weeks, with higher accuracies and resolution and at significantly lower costs that the other sensors currently known in the art.
Passivation Of Material Using Ultra-Fast Pulsed Laser, Tarak A. Railkar, Ajay P. Malshe, William D. Brown
Passivation Of Material Using Ultra-Fast Pulsed Laser, Tarak A. Railkar, Ajay P. Malshe, William D. Brown
Patents Granted
The surface of a semiconductor material, e.g., gallium arsenide, is passivated by irradiating the surface with ultra-short laser pulses, until a stable passive surface is achieved. The passive surface so prepared is devoid of a superficial oxide layer.
Method Of Packaging Rf Mems, Leonard W. Schaper, Ajay P. Malshe, Chad O'Neal
Method Of Packaging Rf Mems, Leonard W. Schaper, Ajay P. Malshe, Chad O'Neal
Patents Granted
Describes a structure and process for packaging RF MEMS and other devices, employing a substrate of silicon and a cap of glass that have the cavities to receive the devices. MEMS or other devices are supported on an upper surface of the substrate, into which metal-filled blind vias are formed. The cap is attached to the substrate so as to enclose designated MEMS or other devices in the cavities. The substrate is then thinned so as to expose the metal of the vias at a lower surface of the substrate. Electrical connecting elements such as solder balls are then applied …
Land Vehicle With Lever Steering, David A. Renfroe, Joseph F. Partain
Land Vehicle With Lever Steering, David A. Renfroe, Joseph F. Partain
Patents Granted
Describes a lever steering apparatus for a land vehicle with steerable and independently suspended front wheels having left and right steering levers at the driver position. The left and right steering levers are coupled by lever mechanisms and an elongated rod to move in opposite directions. Left and right fore and aft links extend from the left and right steering levers to the left and right front wheels to transmit steering motion displacement to the steerable front wheels causing rotation of the axles of the wheels about a vertical axis. A controller arm connected to each wheel stub axles is …
Methods Of Making And Using Cubic Boron Nitride Composition, Coating And Articles Made Therefrom, Ajay P. Malshe, Sharad N. Yedave, William D. Brown, William C. Russell, Deepak G. Bhat
Methods Of Making And Using Cubic Boron Nitride Composition, Coating And Articles Made Therefrom, Ajay P. Malshe, Sharad N. Yedave, William D. Brown, William C. Russell, Deepak G. Bhat
Patents Granted
Methods for coating a substrate and methods of shaping a workpiece comprise formation and use, respectively, of a surface or substrate comprising a first phase selected from nitrides, carbides, carbonitrides, borides, sulphides, chalcogenides, oxides, and silicides, and a second phase selected from nitrides, carbides, carbonitrides, borides, sulphides, chalcogenides, oxides, and silicides. The second phase comprises a multiplicity of discrete portions positioned into the first phase, with these multiplicity of portions comprising a continuous second phase, and made thereof, coating and articles, especially machining, cutting and shaping tools, wearparts, and methods of making and using the composition, coating and articles.
Pressure Compensated Variable Displacement Internal Gear Pumps, Jack H. Cole, Yong Fong Tay
Pressure Compensated Variable Displacement Internal Gear Pumps, Jack H. Cole, Yong Fong Tay
Patents Granted
Describes a pump that has a fixed gear axis eccentricity and varies displacement by moving controlling elements linearly along the drive shaft. A pressure compensator may be employed to displace the controlling elements. It includes a housing penetrated by a drive shaft rotating internal elements. The internal components slide along the longitudinal axis established by the drive shaft to vary the fluid displacement. The axially-moving elements include the drive shaft, inner gerotor element, port plug, thrust bearing and retainer sleeve. The drive shaft includes an internal flanged forming a piston. The outward face of the piston is in contact with …
Process For Sequential Multi-Beam Laser Processing Of Materials, Ajay P. Malshe, Arzu M. Ozkan, William D. Brown
Process For Sequential Multi-Beam Laser Processing Of Materials, Ajay P. Malshe, Arzu M. Ozkan, William D. Brown
Patents Granted
A method of processing a substrate by first processing the substrate surface with a laser operating at a first wavelength to both evaporate a portion of the substrate and structurally weaken the substrate surface, and then by processing the substrate surface with a laser operating at a second wavelength to remove the structurally weakened surface.
Cable Steering System, David A. Renfroe, Joseph F. Partain
Cable Steering System, David A. Renfroe, Joseph F. Partain
Patents Granted
Describes a steering system in an all-terrain four-wheeled vehicle with independent suspension where the necessary forces for steering control are supplied by cable and pulley actuators with the cable running parallel to the suspension arm between vehicle frame and wheel, steering control by the driver is by manipulation of right and/or left steering levers eliminating the need of steering wheel and steering column in front of the driver. The steering actuators are independent and there is no linkage for coordinating their turning angles. Close coordination of the wheel turning angles for achieving the turning angle relation between the wheels is …
Method Of Electroplating A Substrate, And Products Made Thereby, John H. Glezen, Hameed A. Naseem, William D. Brown, Leonard W. Schaper, Ajay P. Malshe
Method Of Electroplating A Substrate, And Products Made Thereby, John H. Glezen, Hameed A. Naseem, William D. Brown, Leonard W. Schaper, Ajay P. Malshe
Patents Granted
Disclosed is an electroplating method and products made therefrom, which in one embodiment includes using a current density to form a conductive metal layer having a surface roughness no greater than the surface roughness of the underlying member. In another embodiment of electroplating a substrate surface having peaks and valleys, the method includes electroplating a conductive metal onto the peaks to cover the peaks with the conductive metal, and into the valleys to substantially fill the valleys with the conductive metal.