An official website of the United States government
Here’s how you know
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.
In support of defense programs in remote sensing, NIST maintains the scale for infrared radiant flux by using an Absolute Cryogenic radiometer (ACR) in a low
Advanced packaging involves increasingly challenging requirements for heterogeneous integration and chiplet packaging. Needs such as fine pitch interconnects (
The NIST Ac-dc 2 Difference Project performs leading edge measurement services and research for ac-dc difference measurements and dc voltage metrology. We
The Fluid Metrology Group leads the world in designing and using gas-filled acoustic resonators for measuring the thermodynamic temperature T, the Boltzmann
New Standard Reference Materials (SRMs) consisting of activated carbon sorbent materials and flue gas desulfurization (FGD) gypsum are being developed to
The development of new materials for diverse applications relating to the development of new energy sources, more efficient homes, autos, and aircraft, and the
The Surface and Trace Chemical Analysis Group conducts both applied and fundamental research into the development, characterization, and analysis of various
Electron, ion and photon-based microanalysis methods, instrumentation and protocols are developed to advance measurement science towards the elemental and
In this project we measure the fundamental electrical properties of materials from bulk to nanoscale from 1 MHz to 0.3 THz. Understanding the interaction of
Electricity meters today face unprecedented challenges, from distorted waveforms on the grid, bidirectional metering for renewables, and the use of meters as
The semiconductor industry continues to push for smaller features, more integration, and increased yield. New photoresist chemistries and advances in extreme
Advanced microscopy and spectroscopy techniques are used in this project to study the chemical and physical properties of particles contained in complex
Specialized imaging methods with high spatial resolution are essential for advancing the physical understanding of emergent materials in advanced electronics
The exponential growth in the power electronics market requires efficient devices based on wide bandgap (WBG) semiconductors. The yield of power devices is
This effort uses advanced fluid flow visualization and flow diagnostic techniques to better-understand the role of fluid dynamics in our Safety & Security focus
Ambient and atmospheric pressure mass spectrometry platforms provide sample collection, transport, and ionization for vapor, aerosol, and liquid samples
Atmospheric aerosol particles often have compositions and shapes that cannot be described as a single material phase within a simplified geometric form such as
The semiconductor industry requires sub-nanometer, 3-dimensional quantitative elemental mapping of materials, nanoscale structures, and devices with high
As part of NIST's response to the Materials Genome Initiative (MGI), this project provides resources to address some of the challenges to the wider use of
EPA Protocol gas mixture calibration standards are obtained by users to measure emissions of regulated gaseous species and ensure that they comply with US
The U.S. economy depends on manufacturing as a significant contributor for jobs, the nation’s economic output, and the production of goods for the world
We are developing novel machine learning algorithms and incorporating them into closed-loop autonomous systems to accelerate knowledge capture in the lab and in
ROSI (Robotic Optical Scattering Instrument) is a new facility for measuring reflectance and scattering of materials in the ultraviolet to short-wave infrared
The Dosimetry Group calibrates well-type ionization chambers using Xoft miniature x-ray sources, which provide low-energy x-rays (< 50 keV) for electronic