NOTICE: Due to a lapse in annual appropriations, most of this website is not being updated. Learn more.
Form submissions will still be accepted but will not receive responses at this time. Sections of this site for programs using non-appropriated funds (such as NVLAP) or those that are excepted from the shutdown (such as CHIPS and NVD) will continue to be updated.
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.
This document describes the instrumentation, standards, and measurement techniques used at the National Institute of Standards and Technology (NIST) to measure
[Withdrawn (February 12, 2018)] Guide is intended to provide manufacturers, packers, distributors, and retailers of packaged products with information about the
Joannie W. Chin, E Byrd, Amanda L. Forster, Xiaohong Gu, Tinh Nguyen, Kirk D. Rice, Walter J. Rossiter Jr, S J. Scierka, John R. Sieber, Paul E. Stutzman, Li Piin Sung
Problems with the performance and durability of body armor based on poly(p-phenylene benzobisoxazole (PBO) fiber became apparent in the summer of 2003, when PBO
Jamie L. Almeida, Lili Wang, Jayne B. Morrow, Kenneth D. Cole
Bacillus anthracis spores have been used as biological weapons and the possibility of their further use requires surveillance systems that can accurately and
A numerical procedure is described in which the aerodynamic drag and torque in low Earth orbit are calculated for a prototype Space Shuttle external tank and
Terrence J. Jach, A S. Bakulin, S M. Durbin, J Pedulla, A T. Macrander
We describe the distinction between the operation of a short focal lengthx-ray microscope forming a real image with a laboratory source (convergentillumination)
Christoph J. Witzgall, David E. Gilsinn, Marjorie A. McClain
Lavery splines are examined in the univariate and bivariate cases. In both instances relaxation based algorithms for approximate calculation of Lavery splines
Michael W. Cresswell, William Gutherie, R. Dixon, Richard A. Allen, Christine E. Murabito, Joaquin (. Martinez
Staff of the Semiconductor Electronics Division, the Information Technology Laboratory, and the Precision Engineering Laboratory at NIST, in collaboration with
This report summarizes the activities of the Workshop on Measurement Methods for Evaluation of the Reliability of Active Implantable Medical Devices, held
Conrad Bock, Michael Gruninger, Donald E. Libes, Joshua Lubell, Eswaran Subrahmanian
A review of the literature on evaluating reasoning systems reveals that it is a very broad area with wide variation in depth and breadth of research on metrics
This paper focuses on the automation and upgrades performed on the 27.1 kN (6100 lbf) dead weight machine located at the National Institute of Standards and
This bulletin summarizes NIST SP 800-77, Guide to IPsec VPNs, which was issued by NIST to help network architects, network administrators, security staff
This note describes a covering array algorithm that can be parallelized, making it possible to handle a much larger number of variables than other know
Table 23-2-(1.21420)-db - Pages db-1722.0 and db-1722.1 New table for 2,6,10,14-tetramethylpentadecane containing the density for the real fluid at selected
The design, fabrication and testing of a thermopneumatic microfabricated valve for controlling refrigerant mass flow rate during expansion is presented in this
AGGRES, a Fortran 77 program for computing a power crust of an aggregate, is discussed. AGGRES takes a finite set of points from the surface of an aggregate, i
Kenneth A. Snyder, C Langton, B Clark, Chiara C. Ferraris, J Dawson
Entombment may be considered as an option for decommissioning nuclear concrete structures so that licenses for facilities on which these structures reside may
In preparation for the Hassler memorial tablet dedication in the NIST Administration Building lobby in December of 2004, I learned that Ferdinand Rudolf Hassler
Alexander Maranghides, William E. Mell, William D. Walton, Erik L. Johnsson, Nelson P. Bryner
Free-Space Optics (also known as FSO , or Optical Wireless ) can be used to transmit optical data, voice and video information. These laser-based systems
Positive Pressure Ventilation (PPV) is a tactic that is used on fire grounds across the world everyday, both to improve tenability after the extinguishment of a
During the last ten years, research in lightpipe radiation thermometry has significantly reduced the uncertainties for temperature measurements in semiconductor
Rayleigh's pseudo-vectorial theory of the diffraction of polarized light by apertures which are small compared to the wavelength of light is analyzed with
Kristine A. Bertness, Todd E. Harvey, C. M. Wang, Albert J. Paul, Larry Robins
Standard Reference Materials (SRMs) 2840 to 2843 are semiconductor material artifacts that consist of an epitaxial layer of AlxGa (1-x)As on a GaAs substrate
Donald R. Larson, Nicholas Paulter, Kenneth C. Blaney
We report the results of an investigation into the signal characteristics and behavior of an instrument used by the US Air Force Metrology and Calibration