TECHNOLOGY TRANSFER OPPORTUNITIES POC: Marcia Salkeld (301) 975-4188. Researchers at the National Institute of Standards and Technology (NIST) have developed a number of new devices and methods involving a variety of technologies. In certain cases other parties have participated in the development of these technologies. Anyone interested in the further development of any of these technologies or in applying for a license to commercialize these technologies should send a written request for further information, referencing the NIST Docket Number and Title, to: Marcia Salkeld, National Institute of Standards and Technology, Technology Development and Small Business Program, Building 221, Room B256, Gaithersburg, Maryland 20899; Telecopy: 301-869-2751. This is not an announcement of a contract action or a grant. NIST Docket Number: 92-057; Title: Prevention of Contact Tube Melting In Arc Welding; Description: NIST engineers have developed a technique to detect and prevent the onset of contact tube melting in gas metal arc and flux cored arc welding. Anticipating the problem enables interruption of the welding power supply and prevention of contact tube melting. NIST Docket Number: 94-005; Title: Particle Calorimeter With Normal Metal Base Layer; Description: NIST researchers have designed a microcalorimeter based x-ray detector using a normal-metal absorber and a normal-insulator-superconductor tunnel junction thermometer. The detector has very fast response time, on the order of 10 to 100 microseconds, and is capable of detecting a minimum energy of 1 eV. NIST Docket Number: 95-008; Title: Josephson D/A Converter With Fundamental Accuracy; Description: The invention is a superconducting integrated circuit that uses a digital input to rapidly select any one of several thousand quantized output voltages. The voltages are generated directly by microwave synchronized Josephson junctions and are as accurate as the externally generated microwave frequency. The circuit makes fast voltage comparisons and the digital synthesis of ultra-accurate AC waveforms possible. These AC waveform's amplitude derives directly from the internationally accepted definition of the volt. NIST Docket Number: 94-019; Title: Transparent Carbon Nitride Films, Process For Making Carbon Nitride Films and Compositions Of Matter Comprising Transparent Carbon Nitride Films; Description: This invention is a novel process to produce transparent, hard carbon nitride films. The films are useful on lenses, windows, and mirrors where durability is often limited by scratches or other means of surface damage.

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