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Search Patents

Displaying 1 - 24 of 24

Electron Paramagnetic Resonance Dosimeter, Methods of Manufacture, and Methods of Use

NIST Inventors
Laurence C. Chow and Shozo Takagi
Patent Description Certain materials, when exposed to ionizing radiation, can be stimulated to emit a measurable signal that may be used to estimate the received radiation dose. Certain of these materials may be incorporated into a dosimeter that is worn or carried by an individual to measure the

Photonic Calorimeter and Process for Performing Calorimetry

NIST Inventors
Ronald Tosh , Zeeshan Ahmed , Ryan P. Fitzgerald and Nikolai Klimov
Patent Description The invention i s a photonic device whose resonance characteristics (such as, quality factor, peak position, and free spectral range) change in a predictable way in response to the interaction of radiation with the sensor and/or its surroundings. The invention can be used in an

Optical Phantom for Producing a Time-Resolved Diffuse Reflectance Spectrum

NIST Inventors
Jeeseong C. Hwang
Patent Description Physikalisch-Technische Bundesanstalt (PTB) and NIST jointly developed a concept for a waveform synthesizer which can generate a controlled waveform with several picosecond (ps) time resolution. In a light-diffusing material, characteristics of the time-of-flight distribution (e.g

Collaborative Robot Motion and Force-Torque Gauges

NIST Inventors
Nicholas G. Dagalakis and Yong Sik Kim
Patent Description The development of a new generation of industrial robots having multiple arms, smarter, easier to program, and can work side-by-side with human workers and other robots promises to revolutionize the manufacturing industry. However, the collaborative performance of the multiple arm
Line drawing of the method for manufacturing an array of sensors on a single chip

Method for Manufacturing an Array of Sensors on a Single Chip

NIST Inventors
Albert Davydov and Vladimir Oleshko
Patent Description Detection of chemical species in air, such as industrial pollutants, poisonous gases, chemical fumes, and volatile organic compounds (VOCs), is vital for the health and safety of communities around the world. The development of reliable, portable gas sensors that can detect
Line drawing of the thermal impedance amplifier

Thermal Impedance Amplifier

NIST Inventors
Adam McCaughan , Varun Verma , Sonia Buckley and Sae Woo Nam
Patent Description Presently, superconducting electronics are being applied to areas such as computational backends for future quantum processors, high-performance supercomputing, and ultrafast digital signal processing. In all of these areas, data must be communicated between the superconducting
This image of a chart titled "How does it work" that describes the optomechanical reference.

Optomechanical Reference

NIST Inventors
Gordon A. Shaw and Jacob Taylor
A mechanical sensor incorporating an optical cavity is used to provide a mass and/or force reference from a known or characterized circulating optical power in the optical cavity. The radiation pressure force in the optical cavity is used to actuate the mechanical sensor. The optical cavity in put
Step-by-step process for making a self-aligned waveguide

Process for Making a Self-Aligned Waveguide

Patent Description This invention enables practitioners to achieve very narrow gaps, down to 0.1 µm, on long coplanar waveguides using optical lithography. This process is shown below. In step 1, a mask is defined on top of the metallic material to be used as the center trace of the coplanar
A line drawing describing the apparatus and method for dynamically controlling spectrum access

Apparatus and Method for Dynamically Controlling Spectrum Access

NIST Inventors
Timothy A. Hall and Anirudha Sahoo
Patent Description There is a need for government and industry to share spectrum due to limited frequency band. This invention provides for a dynamic spectrum access (DSA) in a tiered sharing system whose goal is to increase spectrum utilization. It is an apparatus (hardware + firmware) that
The figure shows a microfabricated optical probe with the following components: 110 - optical loop, 111 – structured region of 110, 114 – optical waveguide, 116 – first arm of optical  waveguide, 120 – substrate, 122 – optical cladding layer, 124 – first single mode optical fiber, 126 – primary light, and 128 – output light.

Microfabricated Optical Probe

NIST Inventors
Vladimir Aksyuk and Kartik Srinivasan
Patent Description Integrated photonics research and manufacturing requires a probe for in-line nondestructive optical testing of devices. Current optical probes require dedicated and large coupling areas in the photonic circuit. They cannot provide sufficient control over the degree, location and

Photonic probe for atomic force microscopy

NIST Inventors
Marcelo Davanco and Vladimir Aksyuk
Patent Description Atomic force microscopy probes with integrated photonic optomechanical cavity readout are new and provide improved sensitivity, increased measurement speed and reduced measurement noise in a variety of research and manufacturing metrology applications. While such probes have been
This is a line drawing for patent number 10,625,470

3D Printing of Composition-Controlled Copolymers

NIST Inventors
Young Jong Lee
Patent Description This invention is a new 3D printing process of continuously or discretely controlling composition of photo-polymerization reactants to produce 3D objects with spatially varying chemical, physical and mechanical properties. This invention is based on photo­ polymerization of liquid
Graphic for how an inertial measurement unit works

Inertial Measurement Unit and Diagnostic System

NIST Inventors
Gregory W Vogl
Patent Description As a machine tool is utilized for parts production, emerging faults lead to performance degradation, which lowers control precision and accuracy. Eventually, linear axes of computerized, numerical control machines may undergo significant wear that results in a failure and/or a
A line drawing of the protector for photon detector

Protector for Photon Detector

NIST Inventors
David M. Rutter
Patent Description Avalanche photodiodes (APDs) are highly sensitive single photon counters and are used in fluorescence lifetime measurements, medical devices, safety equipment and optical communication devices among many other applications. They function by placing a high voltage across an

Optomechnical Gravimeter

NIST Inventors
Jacob Taylor and Jon R. Pratt
Patent Description Currently many space projects require, at their core, sensors capable of measuring spurious forces acting on the spacecraft with extremely high sensitivity at ng/√Hz levels and below, particularly for high accuracy navigation and drag-free flight. NIST has developed a novel and

Coinage Cladding Alloy and Processing for Making Coinage Cladding Alloy

NIST Inventors
Mark R. Stoudt and Carelyn E. Campbell
Patent Description The US Mint charged NIST with more cost effect 5 and 25 cents coins. Currently, commercial cupronickel C71300 alloy is not cost effective to produce 5 cent coins. C77000 is a commercial ternary alloy of Cu, Ni, and Zn possessing similar properties of C71300 but cost approximately

Electron Paramagnetic Resonance Dosimeter, Methods of Manufacture, and Methods of Use

NIST Inventors
Laurence C. Chow and Shozo Takagi
Patent Description Certain materials, when exposed to ionizing radiation, can be stimulated to emit a measurable signal that may be used to estimate the received radiation dose. Certain of these materials may be incorporated into a dosimeter that is worn or carried by an individual to measure the
A line drawing showing the entire structure, which includes the resonator and supporting substrate.

Reticulated Resonator, Process for Making and Use of Same

NIST Inventors
Raymond Simmonds , Katarina Cicak , Cindy Regal and Thomas Purdy
Patent Description Mechanical resonators are widely used in wireless receivers, bio sensors, and timing and frequency control. Besides industry, in recent years in academia there is also considerable interest for ultrahigh precision sensing and fundamental science. A mechanical resonator with the
A photo of the noncntact dielectric and conductivity meter for high-throughput processing and a circuit diagram of the circuit used to track the resonant frequency and quality factor of the microwave resonator.

Noncontact Resonameter, Process for making and use of same

NIST Inventors
Jan Obrzut , Nate Orloff and Chris Long
Patent Description A noncontact resonameter includes: a resonator to: produce an excitation signal including a field; subject a sample to the excitation signal; produce a first resonator signal in a presence of the sample and the excitation signal, the first resonator signal including: a first
Image of 2 security officers inspecting packages

Authentication Article and Process for Making Same

NIST Inventors
Yaw S. Obeng and Joseph J. Kopanski
Patent Description This invention provides for a new and useful metrology to enable counterfeit detection system capable of uniquely marking items by encoding information in their physical structure at the nanoscale. The system depends on rapidly encoding information in the physical structure of an
Picture of the Ice Maker with the words "Ice Maker" displayed above it

Icemaker, Process for Controlling Same and Making Ice

NIST Inventors
David A. Yashar
Patent Description The primary function of a domestic refrigerating appliance is to maintain a low temperature within a cabinet. The desired set temperature is generally maintained by cycling the appliance's refrigeration system (compressor, fans, etc.) on and off. Automatic icemakers are commonly
Displaying 1 - 24 of 24