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    • 32. 发明授权
    • Multi beam exposing device and exposing method using the same
    • 多光束曝光装置及使用其的曝光方法
    • US07248338B2
    • 2007-07-24
    • US11090150
    • 2005-03-28
    • Takeshi Fukuda
    • Takeshi Fukuda
    • G03B27/54G03B27/72
    • G03B27/72G03B21/13G03F7/70275G03F7/70291G03F7/70358
    • An exposing device including means which has a plurality of pixels and modulates, per pixel, an optical beam irradiated from a light source, for exposing a plotted image on an exposure surface by modulating, per pixel, the plurality of pixels of the modulating means based on image data, the multi beam exposing device comprising: beam position detecting means for detecting exposure point positional information pertaining to an optical beam irradiated on the exposure surface from predetermined pixels to be measured of the modulating means; and positional deviation calculating means for calculating a relative positional deviation between positional information pertaining to the pixels to be measured of the modulating means and exposure point positional information pertaining to each of the optical beams projected at the exposure surface from each of the pixels to be measured detected by the use of the beam position detecting means, based on the two positional informations.
    • 一种曝光装置,包括具有多个像素并且每像素调制从光源照射的光束的装置,用于通过每像素调制调制装置的多个像素来曝光曝光表面上的绘制图像 所述多光束曝光装置包括:光束位置检测装置,用于从所述调制装置的待测定的像素检测与照射在所述曝光表面上的光束有关的曝光点位置信息; 以及位置偏差计算装置,用于计算与待测量的像素相关的位置信息与调制装置的每个被测量的投影在曝光表面上的每个光束的曝光点位置信息之间的相对位置偏差 通过使用光束位置检测装置,基于两个位置信息来检测。
    • 33. 发明申请
    • A NOVEL LIVING RADICAL POLYMERIZATION METHOD
    • 一种新型的生物辐射聚合方法
    • US20070049715A1
    • 2007-03-01
    • US11459370
    • 2006-07-24
    • Atsushi GotoTakeshi FukudaYoshinobu Tsujii
    • Atsushi GotoTakeshi FukudaYoshinobu Tsujii
    • C08F112/02B01J27/135B01J27/06B01J31/00
    • B01J31/122B01J31/22B01J2531/42B01J2531/52C08F112/08C08F220/14
    • A highly active and environment-friendly catalyst for use in a living radical polymerization is provided. A catalyst for use in a living radical polymerization method is provided. The catalyst comprises a central element, which is selected from germanium, tin and antimony, and at least one halogen atom, which is bound to the central element. A monomer having a radical reactive unsaturated bond is subjected to a radical polymerization reaction under the presence of the catalyst, thereby it is possible to obtain a polymer having narrow molecular weight distribution. The present invention has the merits such as low toxicity of the catalyst, a small amount of the catalyst can be used, high solubility of the catalyst, mild reaction conditions, no coloration, no odor (unnecessary post-treatment of molded products). The method of the present invention is more environment-friendly and economical than a conventional living radical polymerization method.
    • 提供了用于活性自由基聚合的高活性和环境友好的催化剂。 提供了一种用于活性自由基聚合方法的催化剂。 该催化剂包括选自锗,锡和锑的中心元素和与中心元素结合的至少一个卤素原子。 具有自由基反应性不饱和键的单体在催化剂的存在下进行自由基聚合反应,从而可以得到分子量分布窄的聚合物。 本发明具有催化剂毒性低,可使用少量催化剂,催化剂溶解性高,反应条件温和,无着色,无异味(成型品不必要后处理)等优点。 本发明的方法比常规的活性自由基聚合方法更环保且更经济。
    • 39. 发明授权
    • Alumina particles having high dispersibility and plasticity
    • 氧化铝颗粒具有高分散性和可塑性
    • US06015456A
    • 2000-01-18
    • US697470
    • 1996-08-23
    • Takeshi FukudaRyuichi Shido
    • Takeshi FukudaRyuichi Shido
    • C01F7/02C01F7/44C09C1/40C09C3/06C09D1/00
    • B82Y30/00C01F7/026C01F7/448C09C1/407C09C3/063C01P2002/72C01P2004/03C01P2004/20C01P2004/22C01P2004/32C01P2004/50C01P2004/54C01P2004/61C01P2004/62C01P2006/22Y10T428/2991
    • Alumina particles having high dispersibility and plasticity, at least on the surface of which a phosphoric acid or phosphate is present and suitable for use as a material for pigments for paints, precision abrasives or ceramics. The alumina particles are produced by adding a crystallization inhibitor containing at least phosphate ion to aluminum hydroxide or alumina hydrate and then conducting a hydrothermal synthesis treatment. The amount of the phosphate ion to be added is in the range of 3.0.times.10.sup.-3 to 2.5.times.10.sup.-2 mol per mol of aluminum hydroxide or alumina hydrate. The particle size of aluminum hydroxide or alumina hydrate is 0.1 to 5.0 .mu.m. The hydrothermal synthesis is preferably conducted at 350.degree. C. or above under a pressure of 50 to 200 atm and at a temperature elevation rate of 50.degree. C./min to 0.3.degree. C./min. The thus obtained alumina is .alpha.-alumina in the form of hexagonal plate single crystal having a particle size of 0.2 to 15 .mu.m, an aspect ratio of 15 to 50 and an isoelectric point at which the zeta-potential is 0 of pH 4 to 8.
    • 氧化铝颗粒具有高分散性和可塑性,至少在其表面上存在磷酸或磷酸盐,并且适合用作涂料,精密磨料或陶瓷颜料的材料。 氧化铝颗粒通过向氢氧化铝或氧化铝水合物中加入至少含有磷酸根离子的结晶抑制剂,然后进行水热合成处理来制备。 磷酸根离子的添加​​量相对于每摩尔氢氧化铝或氧化铝水合物为3.0×10 -3〜2.5×10 -2摩尔。 氢氧化铝或氧化铝水合物的粒径为0.1〜5.0μm。 水热合成优选在50〜200atm的压力和50℃/分钟〜0.3℃/分钟的升温速度下在350℃以上进行。 由此获得的氧化铝是粒径为0.2至15μm,纵横比为15至50的六方板单晶形式的α-氧化铝,ζ电位为0的等电点为pH4至 8。