发明名称 Stencil and method of using the same
摘要 A stencil comprises an electret film, wherein the film has at least one perforation having a perimeter that defines an area, and wherein the area is greater than or equal to about one square centimeter. Methods of marking a substrate using stencils of the present invention are also disclosed.
申请公布号 US2004040454(A1) 申请公布日期 2004.03.04
申请号 US20020231567 申请日期 2002.08.30
申请人 3M INNOVATIVE PROPERTIES COMPANY 发明人 PEARSON SCOTT D.;BHARTI VIVEK
分类号 B41L13/12;B41M1/12;B41N1/00;B41N1/24;(IPC1-7):B41N1/24 主分类号 B41L13/12
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