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    • 2. 发明授权
    • Stencil screens
    • 模板丝网
    • US3934503A
    • 1976-01-27
    • US782666
    • 1968-12-10
    • Layton C. KinneyEdwin H. Tompkins
    • Layton C. KinneyEdwin H. Tompkins
    • B41N1/24H05K3/00
    • B41N1/245H05K3/0017
    • A blank for forming a stencil screen for silk screen or electrostatic stencil printing is disclosed. The screen includes a resilient, high tensile strength, porous substrate such as a monofilamentary nylon or stainless steel 200-mesh screen. A light radiation absorbent, self-combustible, ink-resistant, ink-impervious and tough film is applied to the screen, suitably a combustible black nitrocellulose film or a black cellulose ether film containing finely dispersed nitrate or perchlorate. The film is selectively removed by directly pulsing high-intensity light of over 10 joules per square inch for a short duration of 1 to 50 milliseconds in the form of an image pattern to ignite and completely combust the film only in said areas during the duration of the pulse.
    • 公开了一种用于形成用于丝网或静电模版印刷的模板丝网的坯料。 屏幕包括弹性的高拉伸强度的多孔基材,例如单丝尼龙或不锈钢200目筛网。 适用于含有精细分散的硝酸盐或高氯酸盐的可燃黑色硝化纤维素膜或黑色纤维素醚膜,将屏幕上适用的光辐射吸收剂,自燃性,耐油墨,不透油和坚韧的膜。 通过以图像图案的形式直接脉冲超过10焦耳/平方英寸的高强度光,持续1至50毫秒的时间来选择性地去除膜,以在仅在所述区域内点燃和完全燃烧膜 脉搏。