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.
Machine controllers built from standardized software parts, commonly referred to as components or modules, have the greatest potential to reap open architecture
The role of process simulation in microlithography is becoming an increasingly important part of process control as wafer feature sizes become smaller than the
D M. Anderson, William J. Boettinger, Geoffrey B. McFadden, A A. Wheeler
The phase-field model of diffusion-controlled solidification has recently been extended to include the effects of fluid flow in the melt. The phase-field model
The workshop, Evaluating Collaborative Engerprises, explored the issues surrounding the evaluation of collaborative systems including methods and tools for
Michael T. Postek, Andras Vladar, Nien F. Zhang, Robert D. Larrabee
Fully automated scanning electron microscopes (SEM) are now commonly used in semiconductor production and other forms of manufacturing. Testing and proving that
Michael T. Postek, Andras Vladar, John S. Villarrubia
Metrology will remain a principal enabler for the development and manufacture of future generations of semiconductor devices. With the potential of 130 and l00
Richard Mirin, Kevin L. Silverman, David H. Christensen
Self-assembled InGaAs quantum dots (QDs) have been intensely studied for the past several years because of the potential applications ranging from low threshold
Michael W. Cresswell, John E. Bonevich, T J. Headley, Richard A. Allen, Lucille A. Giannuzzi, Sarah C. Everist, Rathindra Ghoshtagore, Patrick J. Shea
Test structures of the type known as cross-bridge resistors have been patterned in (100) epitaxial silicon material that was seeded on Bonded and Etched-Back
Mark R. VanLandingham, John S. Villarrubia, G F. Meyers
Regardless of the type of test, reliable indentation measurements require knowledge of the shape of the indenter tip. For indentation measurements involving sub
We develop a novel four-port equivalent circuit for a coplanar-waveguide-to-microstrip transition using a finite-difference time-domain analysis. The lumped
Donald C. DeGroot, Paul D. Hale, M. Vanden Bossche, F. Verbeyst, Jan Verspecht
We analyze the input networks of the samplers used in the nose-to-nose calibration method. Our model demonstrates that the required input network conditions are
The electric fatigue behavior of a commercial lead zirconate titanate (PZT) was investigated by optical microscopy and instrumented Hertzian microindentation
William R. Blair, Charles M. Guttman, A A. Guiseppetti
Continuing interest at NIST (National Institute of Standards and Technology) in producing MALDI (Matrix Assisted Laser Desorption/Ionization) analyses with a
Paul D. Hale, Tracy S. Clement, Kevin Coakley, Chih-Ming Wang, Donald C. DeGroot, A. P. Verdoni
We describe estimation of the magnitude and phase response of a sampling oscilloscope over 50 Ghz bandwidth using the nose-to-nose method. The measurements are
Five photoactivated resins, designated BTHZ, TP, U0H, U66H and U132H, were evaluated for the effects of the chemical structure and compositional variations of
Michael Gruninger, Barbara L. Goldstein, Kevin G. Brady, Simon Szykman, Charles R. McLean, Joshua Lubell
Advances in information technology are frequently cited as the basis for the continued growth of the U.S. economy. Manufacturers use information technology
This paper describes the National Advanced Manufacturing Testbed (NAMT) at the National Institute of Standards and Technology (NIST). The NAMT is a distributed
D. J. Benford, C. A. Allen, A. S. Kutyrev, S. H. Mosely, Rick A. Shafer, James A. Chervenak, Erich N. Grossman, Kent D. Irwin, John M. Martinis, Carl D. Reintsema
Studies of astrophysical emission in the far-infrared and submillimeter will increasingly require large arrays of detectors containing hundreds to thousands of
Jiann C. Yang, Thomas G. Cleary, Michelle K. Donnelly
Tritluoroiodomethane (CF3I) has been proposed as a potential replacement for Halon 1301 in aircraft engine nacelle and dry bay fire protection applications. The
H El-Sayed, M Salit, J Travis, J E. Devaney, William L. George
We introduce a parallelization of the maximum-likelihood cosine transform.This transform consists of a computationally intensive iterative fittingprocess, but
V L. Vilker, Vytautas Reipa, Marcia J. Holden, M P. Mayhew
We have been pursuing the detailed pathway by which cytochrome P450cam (CYP101) transfers electrons through a three diffusible protein subunit system, and how
John A. Kramar, Jay S. Jun, William B. Penzes, Fredric Scire, E C. Teague, John S. Villarrubia
We at the National Institute of Standards and Technology are building a metrology instrument called the Molecular Measuring Machine (M3) with the goal of
Mark W. Keller, Neil M. Zimmerman, Ali L. Eichenberger, John M. Martinis
We have built a prototype capacitance standard based on single-electron tunneling (SET) devices and a cryogenic vacuum-gap capacitor. We are currently involved
Optimization of the binding conformation of a substrate in an enzyme active site using ab initio quantum chemistry methods are intractable since the active site
A compilation of fire test data which shows distinct behaviroal differences between HSC and NSC at elevated temperature is presented. The differences are most
This paper describes the recent Comite Consultatif d'Electricite et Magnetisme (CCEM) comparison of 10 pF capacitors. The comparison of electrical standards
The NIST dual-balance guarded active-arm bridge, using a third dc source and a second detector to balance the guard network, is described. Improvements to the