U.S. flag

An official website of the United States government

Official websites use .gov
A .gov website belongs to an official government organization in the United States.

Secure .gov websites use HTTPS
A lock ( ) or https:// means you’ve safely connected to the .gov website. Share sensitive information only on official, secure websites.

Search Patents

Displaying 76 - 100 of 286
image for published patent application 2021/0215353 A1/ 17/146,330

Water Heating System With Legionella Control

NIST Inventors
David A. Yashar
A bacteria abatement water heater abates bacterial growth and includes a fluid-isolated heat exchanger; a water heating container that heats water to a high water temperature that is greater than or equal to a kill temperature for bacteria; a hot water delivery conduit including a transitional
Cell design showing both cell walls and windows made of non-conducting glass. A thin layer of polysilicon deposited on the glass is used for bonding the cell closed.

Atomic Vapor Cell And Making An Atomic Vapor Cell

NIST Inventors
Christopher L. Holloway , Alexandra (Aly) Artusio-Glimpse , Vladimir Aksyuk and Matt Simons
A new method for fabricating cells at the wafer level that minimizes the amount of silicon. Instead of fabricating the frame onto which glass is bonded out of silicon, we start with a glass wafer, in which holes have been etched or abrasively machined. A thin layer of polysilicon is deposited onto

Optomechanical Accelerometer And Performing Optomechanical Accelerometry

NIST Inventors
Jason J. Gorman and Thomas W. LeBrun
An optomechanical accelerometer includes: a fiducial mass for a microscale Fabry-Perot optical cavity; a proof mass for the microscale Fabry-Perot optical cavity, such that the proof mass oscillates in a displacement motion toward and away from the fiducial mass in response to acceleration of the
Calibration Apparatus And Calibrating A Laser Doppler Vibrometer Thumbnail

Calibration Apparatus And Calibrating A Laser Doppler Vibrometer

NIST Inventors
Michael Gaitan , Benjamin Reschovsky and Akobuije Chijioke
A new approach to characterize the performance of a laser Doppler vibrometer (LDV). The method uses two acousto-optic modulators to frequency shift the light from an LDV by a known quantity to create a synthetic velocity shift that is traceable to a frequency reference. Results are presented for

Quantum Flow Cytometer

NIST Inventors
Sergey Polyakov and Ivan Burenkov
A quantum flow cytometer for detecting an analyte with photon-number statistics includes: a flow cytometer that: receives a pump light in a first direction; receives an analyte flow comprising the analyte in a second direction; and produces scattered light from scattering the pump light by the

Methods For Electrically Charging Nanocrystals At Very Large Areas

NIST Inventors
Babak Nikoobakht
Methods are disclosed for uniformly charging nanocrystals. Using these methods large area interfaces per nanocrystal can be formed for electrically powering or operating nanocrystals. The formed metal- interfaces, including metal- semiconductor and semiconductor- semiconductor, are structurally

Body Cube And Process For Culturing Tissue

NIST Inventors
Mandy B. Esch, PhD
A body cube for culturing tissue that includes: an organ chip holder; and a body barrier chip and a first body organ chip disposed in the organ chip holder, the first body organ chip including a first cell culture chamber that receives cell culture medium and produces a first tissue in the first

Synchronizer And Synchronizing Transfer Over An Optical Link

NIST Inventors
Laura Sinclair , William C. Swann and JD Deschenes
A synchronizer for synchronizing transfer over an optical link includes a frequency reference oscillator; a tracking optical timing source; a tracking comb signal; a signal processor-controller; a comb timing discriminator; a clock frequency comb; a bidirectional terminal; a time-frequency offset

Dry Prelithiation Of Electrode Materials For Lithium Batteries And Supercapacitors By Controlled Dose Low Energy Implantation Of Lithium Ions

NIST Inventors
Christopher Soles , Vladimir Oleshko and Jabez J McClelland
In this disclosure, we describe a method of creating new and improved battery electrodes by doping conventional battery electrode materials with dry lithium (Li+) ions, using ion implantation techniques under vacuum. This dry "prelithiation" step will both (a) increase the amount of active Li+ in
Description of Patent 11,165,505

Quantum Atomic Receiving Antenna and Quantum Sensing of Radiofrequency Radiation

NIST Inventors
Josh Gordon and Christopher L. Holloway
The invention is a new type of receiving antenna that uses optically excited atoms confined to a vapor cell to sense the strength, direction, and polarization of incoming RF radiation over the frequency range of under 1 GHz to about 1 THz (heretofore this frequency range will be referred to as RF i

Fiber-To-Chip Coupler

NIST Inventors
Jeff Shainline and Saeed Khan
A fiber-to-chip coupler includes a substrate, a waveguide on a top surface of the substrate, an optical fiber axially aligned to the waveguide, and a cap. The waveguide has a uniform region with uniform width and a tapered-waveguide region having a width that adiabatically increases from a minimum

Infrared Thermal Desorber And Performing Infrared Thermal Desorption

NIST Inventors
Matthew E Staymates and Thomas P. Forbes
An infrared thermal desorber includes a desorption housing; an infrared source receiver that receives an infrared emission source; an infrared absorber receiver that receives an infrared absorber, such that the infrared absorber receiver produces thermal energy emission; an analyte target receiver
Embodiments of spin-multiplexed near- and deep-UV metaholograms.

Low-loss Metasurface Optics For Deep UV

NIST Inventors
Henri Lezec , Wenqi Zhu and Shawn Divitt
In this invention, we employ a novel approach to construct high-performance optical elements operating in the UV and deep-UV regime. Our technology is based on metasurfaces, where we design nanoantennas with sizes a fraction of the scale of the wavelength of UV light and arrange them over a planar

Physiologically Stable Fluorophore And Performing Fluorescence Probing

NIST Inventors
Jeremiah Woodcock and Professor Douglas M. Fox
A physiologically stable fluorophore includes a terminal moiety including a terminal reactive site that reacts with a reactive group of a substrate; a stability linker covalently bonded to the terminal moiety; and a bridge moiety covalently bonded to the stability linker such that the stability

Photonic Resonator Analyzer And Characterizing A Photonic Resonator

NIST Inventors
Zeeshan Ahmed
We describe a method for distinguishing optical modes of a resonator based on the characterization of the temperature sensitivity of a mode’s resonance frequency and its dispersion characteristics. This method requires an interrogator (made up of a tunable laser, broadband light source, frequency
An empty petri dish with two optical fibers, illustrating one version of the researchers’ experiment. The left-hand fiber (usually shining infrared light, but depicted here as visible red light) is a temperature sensor. The top fiber shines green, red or blue light into the petri dish to adjust the signal that the temperature sensor measures.

PH Photothermal Spectrometer And Performing PH Photothermal Spectroscopy

NIST Inventors
Zeeshan Ahmed
A device that uses multiple wavelengths (colors) of light to probe the pH-dependent changes in absorbance of pH-sensitive dye by determining the difference in temperature rise due to differences in light absorbance at different colors. The absorbed light is thermalized, resulting in an increase in
image for US20200348841A1

A Data Structure for Integrity Protection with Erasure Capability

NIST Inventors
D. Richard Kuhn
Provided is a process including: initializing a data block matrix; making supra-diagonal nodes that include at most one more node than sub-diagonal nodes; making a hash nodes with a hash sequence length that is proportional to a number of nodes in the row or column of nodes in which the hash node is
Displaying 76 - 100 of 286
Was this page helpful?