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    • 7. 发明申请
    • EMBOSSING TOOL
    • 刺绣工具
    • WO1992001973A2
    • 1992-02-06
    • PCT/US1991005085
    • 1991-07-18
    • McGREW, Stephen, P.
    • G03F07/00
    • G03H1/0276G03F7/00G03H1/028G03H1/04G03H2001/0292G03H2001/0296G03H2001/043G03H2001/0482G03H2223/14G03H2224/04G03H2225/11G03H2260/14G03H2260/63G03H2270/13G03H2270/21
    • A method and apparatus for producing durable embossing tools is disclosed. An anisotropic etching process, such as ion etching, is used to etch a relief pattern into a hard substrate. A transfer layer is formed overlaying a generally smooth, seamless surface region of a substrate. A desired relief pattern is formed in the transfer layer, by exposing a photoresist, embossing, or the like. The substrate having the photoresist thereon is subjected to an anisotropic etch. The anisotropic etch continues until the transfer layer is completely removed and the relief pattern is formed in the upper surface of the embossing tool. The relative etch rates between the transfer layer and the surface region of the embossing tool are selected to provide the desired depth modulation in the surface of the embossing tool. An embossing tool produced according to the invention has a relatively hard surface and may thus be used for the mass production of holographic images without significant degradation of the pattern. Because the embossing tool can be made from an extremely hard material such as chromium or hardened steel, materials which previously could not be economically embossed with holograms, such as aluminum or steel, may now be embossed by an embossing tool made according to this invention.
    • 公开了一种生产耐用压花工具的方法和设备。 使用诸如离子蚀刻的各向异性蚀刻工艺将浮雕图案蚀刻成硬质衬底。 形成覆盖基板的大致光滑,无缝的表面区域的转印层。 通过曝光光致抗蚀剂,压花等,在转印层中形成所需的浮雕图案。 对其上具有光致抗蚀剂的基板进行各向异性蚀刻。 各向异性蚀刻继续,直到转印层被完全去除,并且浮雕图案形成在压花工具的上表面中。 选择转印层和压花工具的表面区域之间的相对蚀刻速率以在压花工具的表面中提供期望的深度调制。 根据本发明制造的压花工具具有相对较硬的表面,因此可用于大量生产全息图像而不会显着降低图案。 由于压花工具可以由诸如铬或硬化钢之类的非常硬的材料制成,所以以前不能经济地压印全息图的材料,例如铝或钢,现在可以通过根据本发明制造的压花工具来压花。
    • 8. 发明申请
    • DIFFRACTIVE COLOR AND TEXTURE EFFECTS FOR THE GRAPHIC ARTS
    • 图形艺术的差异色彩和纹理效应
    • WO1982001595A1
    • 1982-05-13
    • PCT/US1981001439
    • 1981-10-27
    • MCGREW STEPHEN P
    • G02B05/18
    • G02B5/1842G03H1/0011
    • A method of producing color and texture effects on a surface (210, 400) without the use of pigments or actual texturing. Diffraction patterns generated by interference between two light beams (220, 230) are recorded in a suitable high-resolution photographic material (210, 400) and are used instead of paints or inks to provide desired color and texture effects in the various regions (440, 530) of an artistic or decorative composition. The resulting composition (210, 400) may contain spectrally pure or mixed colors and a wide range of static or dynamic textural illusions visible under a variety of lighting conditions.
    • 在不使用颜料或实际纹理的情况下,在表面(210,400)上产生颜色和纹理效果的方法。 由两个光束(220,230)之间的干涉产生的衍射图案被记录在合适的高分辨率照相材料(210,400)中,并且代替涂料或油墨以在各个区域(440)中提供期望的颜色和纹理效果 ,530)艺术或装饰作品。 所得到的组合物(210,400)可以包含光谱纯的或混合的颜色以及在各种照明条件下可见的宽范围的静态或动态纹理幻影。