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</o:shapelayout></xml><![endif]--></head><body lang=DE-CH link="#0563C1" vlink="#954F72"><div class=WordSection1><p class=MsoNormal>Dear all,<o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal><span lang=EN-US>We want to inform you that, <b>thanks to people from LANSCE, FRM II and PSI,<o:p></o:p></b></span></p><p class=MsoNormal><span lang=EN-US>we were able to develop a new Scintillation screen with improved spatial resolution for imaging with fast neutrons.<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US>We reached in the measurements last week at FRM II spatial resolutions down to ~200 micrometer, <o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US>which is in comparison to our standard PP/ZnS:Cu (2.4 mm) a real breakthrough!<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US>Unfortunately, the light output is reduced (25 – 50% in comparison to the standard PP/ZnS), but still in a reasonable range.<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US>We were able to have the outstanding images shown with 80 s illumination. <o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US><o:p> </o:p></span></p><p class=MsoNormal><span style='mso-fareast-language:DE-CH'><img width=576 height=275 id="Grafik_x0020_1" src="cid:image003.png@01D5F081.603633B0"></span><span lang=EN-US><o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US><o:p> </o:p></span></p><p class=MsoNormal><b><i><span lang=EN-US>Please have a look to the attached file for further details!<o:p></o:p></span></i></b></p><p class=MsoNormal><span lang=EN-US><o:p> </o:p></span></p><p class=MsoNormal><span lang=EN-US>Those screens are producible in standard dimensions of 400 x 400 mm2 or 200 x 200 mm2.<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US>Intermediate or smaller sizes are producible by request.<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US>Larger sizes up to 420 x 420 mm are feasible with little extra cost.<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US><o:p> </o:p></span></p><p class=MsoNormal><span lang=EN-US>We can produce with different phosphor types (ZnS:Ag; ZnS:Cu or Zn(Cd)S:Ag) for different emission wavelength,<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US>but actually we saw lowest gamma sensitivity for ZnS:Ag.<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US><o:p> </o:p></span></p><p class=MsoNormal><span lang=EN-US>We have to inform, that few further improvement work is planned at FRM II,<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US>but the actual scintillator configuration works definitely fine! <o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US><o:p> </o:p></span></p><p class=MsoNormal><span lang=EN-US>For further information or any other request you can contact us in the usual way.<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US><o:p> </o:p></span></p><p class=MsoNormal><span lang=EN-US>With our very best regards<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US><o:p> </o:p></span></p><p class=MsoNormal><span lang=EN-US>Bernhard Walfort<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US><o:p> </o:p></span></p><p class=MsoNormal><span style='mso-fareast-language:DE-CH'>-----------------------------------------<o:p></o:p></span></p><p class=MsoNormal><span style='mso-fareast-language:DE-CH'>Dr. Bernhard Walfort<o:p></o:p></span></p><p class=MsoNormal><span style='mso-fareast-language:DE-CH'>RC Tritec AG / LumiNova AG<o:p></o:p></span></p><p class=MsoNormal><span style='mso-fareast-language:DE-CH'>Speicherstrasse 60 a<o:p></o:p></span></p><p class=MsoNormal><span style='mso-fareast-language:DE-CH'>CH-9053 Teufen<o:p></o:p></span></p><p class=MsoNormal><span style='mso-fareast-language:DE-CH'>Tel.: +41 71 335 73 73<o:p></o:p></span></p><p class=MsoNormal><span style='mso-fareast-language:DE-CH'>Fax: +41 71 335 73 74<o:p></o:p></span></p><p class=MsoNormal><span style='mso-fareast-language:DE-CH'>E-Mail: <a href="mailto:walfort@rctritec.com">walfort@rctritec.com</a><o:p></o:p></span></p><p class=MsoNormal><span style='mso-fareast-language:DE-CH'><o:p> </o:p></span></p><p class=MsoNormal><b><span lang=EN-GB style='color:#00B050;mso-fareast-language:DE-CH'>Please visit our new website! <a href="http://www.rctritec.com/">www.rctritec.com</a><o:p></o:p></span></b></p><p class=MsoNormal><o:p> </o:p></p></div></body></html>