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    • 3. 发明申请
    • LIQUID PHOTOREACTIVE COMPOSITION AND METHOD OF FABRICATING STRUCTURES
    • 液体光电组合物和制造结构的方法
    • WO2015084735A2
    • 2015-06-11
    • PCT/US2014067955
    • 2014-12-01
    • 3M INNOVATIVE PROPERTIES CO
    • LEE TZU-CHENDEVOE ROBERT JNELSON BRIAN KGATES BRIAN J
    • G03F7/0037C08F2/50C08F2222/1026G03F7/027G03F7/031G03F7/038G03F7/039G03F7/16G03F7/20G03F7/2012G03F7/2053G03F7/30
    • A method of fabricating a structure includes disposing a liquid photoreactive composition on a substrate, exposing a portion of the liquid photoreactive composition to laser light of sufficient intensity and wavelength to cause polymerization via two-photon excitation of the two-photon sensitizer and polymerization of a portion of the liquid photoreactive composition thereby providing an exposed composition; and developing the exposed composition to provide the structure. The liquid composition includes: at least one cationically polymerizable polyepoxide; at least one compound comprising free-radically polymerizable groups; an effective amount of a two-photon photoinitiator system, wherein the weight ratio of component (a) to component (b) is from 25:75 to 75:25, inclusive. The two-photon photoinitiator system includes a two-photon sensitizer and an aromatic onium salt. The liquid photoreactive composition may contain less than about one percent by weight of organic solvent.
    • 制造结构的方法包括将液体光反应性组合物设置在基材上,将一部分液体光反应性组合物暴露于具有足够强度和波长的激光以通过双光子敏化剂的双光子激发引发聚合, 液体光反应性组合物的一部分由此提供暴露的组合物; 并显影曝光的组合物以提供结构。 液体组合物包括:至少一种可阳离子聚合的聚环氧化物; 至少一种包含可自由基聚合的基团的化合物; 有效量的双光子光引发剂体系,其中组分(a)与组分(b)的重量比为25:75至75:25,包括端值。 双光子光引发剂体系包括双光子敏化剂和芳族鎓盐。 液体光反应性组合物可以含有小于约1重量%的有机溶剂。
    • 6. 发明申请
    • REFRACTIVE INDEX GRATING MANUFACTURING PROCESS
    • 折射率指数制造工艺
    • WO02073258A3
    • 2003-05-01
    • PCT/US0120280
    • 2001-06-26
    • 3M INNOVATIVE PROPERTIES CO
    • GATICA ANTHONY WDOWER WILLIAM VLEBLANC STEPHEN PPEPIN RONALD PGATES BRIAN JCRONK BRYON JCOWHER JOHN TLABRAKE DWAYNE LNELSON BRIAN KWALKER CHRISTOPHER B
    • B29C47/02C03C25/10C03C25/12G02B6/02G02B6/245G02B6/36G03F7/00G03F7/24G02B6/16G02B6/44
    • G02B6/02152B29C47/0021B29C47/02C03C25/106C03C25/12G02B6/245G02B6/3616G02B6/3636G03F7/001G03F7/24
    • A filament coating apparatus comprising a frame for releasably securing a filament (20), and a carriage (354) mounted on the frame to oscillate between a first position and a second position. There is a first filament holding fixture mounted on the carriage and a second filament holding fixture also mounted on the carriage in axial alignment with the first filament holding fixture to secure a measured filament portion, preferably of an optical fiber, including a bare portion thereof, located inside a first boundary and a second boundary, between the first filament holding fixture and the second filament holding fixture. At least one spray head (322, 326) is attached to the frame at the first position with at least one radiation source (324, 328) attached to the frame at the second position. The measured filament portion moves between the spray head and the radiation source (324, 328), during oscillation of the carriage between the first position and the second position to place the bare portion to receive a curable coating composition from the spray head, for application from the first boundary to the second boundary, and thereafter to cure the curable coating by exposure to radiation from the radiation source.
    • 一种灯丝涂覆设备,包括用于可释放地固定灯丝(20)的框架和安装在框架上以在第一位置和第二位置之间摆动的托架(354)。 安装在滑架上的第一灯丝固定夹具和第二灯丝保持夹具,其也安装在滑架上,与第一灯丝保持夹具轴向对准,以固定测量的细丝部分,优选地包括光纤的裸露部分, 位于第一边缘和第二边界之间,位于第一细丝保持固定装置和第二细丝保持固定装置之间。 至少一个喷头(322,326)在第一位置处附接到框架,其中至少一个辐射源(324,328)在第二位置处附接到框架。 测量的细丝部分在第一位置和第二位置之间的滑架摆动期间在喷头和辐射源(324,328)之间移动,以将裸露部分从喷头接收可固化的涂层组合物,以供应用 从第一边界到第二边界,然后通过暴露于来自辐射源的辐射固化可固化涂层。