发明名称 Production of identical particle distribution images comprises visualizing a real lead particle distribution using a known chemographic method, and further processing
摘要 <p>Production of identical particle distribution images comprises visualizing a real lead particle distribution using a known chemographic method, digitizing and binarizing the distribution image, using the binarized image for adjusting a screen printing mask and applying the distribution onto material using a standard screen printing method using a polyvinylalcohol displaced with finely ground lead particles. Preferred Features: Nitrocellulose particles are used in place of lead. Other screen printing base pastes are used in place of polyvinylalcohol.</p>
申请公布号 DE102004027770(A1) 申请公布日期 2006.01.05
申请号 DE20041027770 申请日期 2004.06.08
申请人 BUNDESKRIMINALAMT ZV21 发明人 NIEWOEHNER, LUDWIG;NELMKE, DIETER;BARTH, MARTIN
分类号 G01N1/28 主分类号 G01N1/28
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