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Pacific Northwest National Laboratory wins three R&D 100 awards

dose measurement system that is low cost, versatile and precise - Recent government approval of irradiation to kill bacteria in red meat expands the need for an accurate, inexpensive way to measure how much radiation food and other products are getting. Licensed to Sunna Systems Inc., of Richland, Wash., this dosimeter technology offers instantaneous readings that can be repeated. The measuring unit uses light instead of heat to read the amount of radiation passing through the product. The Sunna DosimeterTM can measure a wider range of doses than other technologies, is resistant to most environmental conditions and has a long shelf life. Food processors utilizing electronic pasteurization require a dosimeter that is extremely robust, operationally easy to use, cost-effective and can be mass-produced. The Sunna dosimeter meets all these criteria.

This system is a useful quality assurance tool for many irradiation processes, including food irradiation, medical equipment sterilization and radiation processing or curing of environmentally friendly inks and paints that require no solvents.

A coating that makes possible plastic display panels for electronics - If television screens and laptop computer or cell phone displays were made out of plastic, they would weigh less, be more rugged and one day may even be flexible enough to roll up like a projector screen. However, plastics are not used for these display panels because oxygen and water vapor easily pass through plastic to damage the electronics. But now, two ultra barrier coating products licensed to Vitex Systems Inc., of Sunnyvale, Calif., offer extremely high levels of barrier protection that will allow plastic to play a significant role in the display industry. Without these products -- Flexible GlassTM engineered substrates and BarixTM -- coating even the moisture in the air would cause sensitive Organic Light Emitting Devices to fail in a matter of days. However, coated test units
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Contact: Susan Bauer
susan.bauer@pnl.gov
509-375-2561
DOE/Pacific Northwest National Laboratory
26-Jul-2000


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