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Displaying 58676 - 58700 of 74192

Simple, Compact, High-Purity Cr Evaporator for UHV

September 1, 1993
Author(s)
Jabez J. McClelland, John Unguris, R E. Scholten, Daniel T. Pierce
A simple, compact Cr evaporator is constructed by electroplating Cr metal onto the tip of a W hairpin filament. At 5 cm from the evaporator, deposition rates up to 10 nm min -1 (flux {asymp} 10 19 atoms m -2s -1) have been obtained, with total deposition

Security Issues in the Database Language SQL

August 2, 1993
Author(s)
William T. Polk, Lawrence E. Bassham
The Database Language SQL (SQL) is a standard interface for accessing and manipulating relational databases. An SQL-compliant database management system (DBMS) will include a minimum level of functionality in a variety of areas. However, many additional

Accurate Transmission Line Characterization

August 1, 1993
Author(s)
Dylan F. Williams, Roger Marks
This letter introduces a new method for the characterization of transmission lines fabricated on lossy or dispersive dielectrics. The method, which is more accurate than conventional techniques, is used to examine the resistance, inductance, capacitance

APDE Demonstration System Architecture

August 1, 1993
Author(s)
Steve Clark, Allison Barnard Feeney
The National PDES Testbed project at NIST is focused on the development and implementation of the emerging international Standard for the Exchange of Product Model data (STEP). One sub-project within the Testbed is the effort to establish an Application
Displaying 58676 - 58700 of 74192
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