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[Sandia Lab News]

Vol. 51, No. 3        February 12, 1999
[Sandia National Laboratories]

Albuquerque, New Mexico 87185-0165    ||   Livermore, California 94550-0969
Tonopah, Nevada; Nevada Test Site; Amarillo, Texas

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The world's smallest combination lock, which provides a revolutionary approach for providing safety and security for complex systems, has been developed at Sandia. Referred to as a recodable locking device (RLD), it is constructed using microelectromechanical system technology uniquely available at Sandia's Microelectronics Development Laboratory. The RLD provides an electromechanical combination lock with the shackle function provided by an optical output switch. The RLD is a manifestation of the fundamental weapon safety principles, isolation and incompatibility, at the electronic system component level. (1700, 2600)

Researchers around the world are working to directly manufacture semiconductor lasers at short wavelengths for sensors, optical data storage, and video displays. Using a different approach, we have combined our expertise in manufacturing efficient vertical-cavity surface-emitting lasers (VCSELs) that operate in the near-infrared with our research in nonlinear optics to produce 5mW of blue (490 nanometers) laser light in a hand-held, fully semiconductor-based device. This is the first demonstration of an efficient blue semiconductor laser based on an external-cavity VCSEL. (1100,1700)

A full-service capability to produce metal microparts using LIGA has been established at Sandia/California. LIGA, an acronym from the German words for lithography, electroplating, and molding, uses X-ray synchrotron radiation to create a mold that is subsequently filled by electroplating. Our infrastructure includes on-site process laboratories and dedicated beamlines at the two DOE-owned Bay Area synchrotrons. In addition, we successfully produced parts for an 8 mm micromotor design and precise electrodischarge machining tools for Sandia applications, and wave guides for a Jet Propulsion Lab flight mission. (8200)

Last modified: February 12, 1999

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