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    • 21. 发明申请
    • ELECTRON MICROSCOPE, AND SPECIMEN HOLDING METHOD
    • 电子显微镜和样本保持方法
    • US20110303844A1
    • 2011-12-15
    • US13202556
    • 2009-10-15
    • Seiichiro KannoHiroyuki KitsunaiMasaru MatsushimaToru ShutoKazuyuki Ikenaga
    • Seiichiro KannoHiroyuki KitsunaiMasaru MatsushimaToru ShutoKazuyuki Ikenaga
    • H01J37/20H01J37/28
    • H01J37/20G01R31/307H01J37/28H01J2237/2007
    • It is an object of the present invention to provide an electron microscope for properly applying a retarding voltage to a sample which is brought into electrical conduction.In order to accomplish the above-described object, the following electron microscope is proposed: The electron microscope including a negative-voltage applying power-supply for applying the negative voltage to the sample, and thereby forming a decelerating electric field to be exerted onto the electron beam, an electrostatic-chuck mechanism for providing a potential difference among a plurality of its internal electrodes, and thereby generating an adsorption force to be exerted onto the sample, and a contact terminal which is so configured as to come into contact with the sample when the sample is deployed on a sample-supporting stage, the electrostatic-chuck mechanism causes the potential difference to occur among the internal electrodes in the state where the contact terminal comes into contact with the sample, the negative-voltage applying power-supply being operated to apply the negative voltage to the contact terminal after the potential difference has been caused to occur.
    • 本发明的目的在于提供一种电子显微镜,用于对被导入的样品适当地施加延迟电压。 为了实现上述目的,提出了以下电子显微镜:电子显微镜,其包括负电压施加电源,用于向样品施加负电压,从而形成施加在该样品上的减速电场 电子束,用于在多个内部电极之间提供电位差的静电吸盘机构,从而产生施加到样品上的吸附力;以及接触端子,其被配置为与样品接触 当样品被部署在样品支撑台上时,静电吸盘机构在接触端子与样品接触的状态下在内部电极之间产生电位差,负压施加电源为 在发生电位差之后,将负电压施加到接触端子。
    • 23. 发明授权
    • 1-cyclohexyl-1-methylethylperoxy carbonate, method for production
thereof, and uses therefor
    • 1-环己基-1-甲基乙基过氧化碳酸酯,其制备方法及其用途
    • US5446191A
    • 1995-08-29
    • US190459
    • 1994-02-02
    • Shuji SuyamaTooru NishikawaMasaru MatsushimaHiroshi Okada
    • Shuji SuyamaTooru NishikawaMasaru MatsushimaHiroshi Okada
    • C07C407/00C07C409/06C07C409/38C08F4/28C08F4/34C08F283/01C08F299/04C07C69/74
    • C07C409/38C07C409/06C07C2101/14
    • A 1-cyclohexyl-1-methylethylperoxy carbonate represented by the formula: ##STR1## (wherein n.sub.1 stands for 1 or 2 and, when n.sub.1 is 1, R.sub.1 stands for an alkyl group of up to 14 carbon atoms, an aralkyl group of up to 14 carbon atoms, an alkoxyalkyl group of up to 14 carbon atoms, a cycloalkyl group of up to 14 carbon atoms, or an aryl group of up to 14 carbon atoms, and when n.sub.1 is 2, R.sub.1 stands for an alkylene group of up to 16 carbon atoms, an aralkylene group of up to 16 carbon atoms, an oxaalkylene group of up to 16 carbon atoms, a cycloalkylene group of up to 16 carbon atoms, or a phenylene group of up to 16 carbon atoms) is a novel compound. It is produced by causing a chloroformate represented by the formula: ##STR2## (wherein n.sub.2 has the same meaning as n.sub.1 in the preceding formula) to react with 1-cyclohexyl-1-methylethylhydroperoxide. It is useful as a polymerization initiator for a vinyl monomer, a curing agent for an unsaturated polyester resin and a cross-linking agent for a polymer.
    • 由下式表示的1-环己基-1-甲基乙基过氧化碳酸酯(其中n1表示1或2,当n1为1时,R1表示至多14个碳原子的烷基,上述芳烷基 至14个碳原子的烷氧基烷基,至多14个碳原子的环烷基或至多14个碳原子的芳基,当n1为2时,R1代表上升的亚烷基 至多16个碳原子的芳亚烷基,至多16个碳原子的氧杂亚烷基,至多16个碳原子的亚环烷基或至多16个碳原子的亚苯基)是新化合物 。 其通过使由下式表示的氯甲酸酯(其中n2具有与上述式中的n1相同的含义)与1-环己基-1-甲基乙基过氧化氢反应来制备。 作为乙烯基单体的聚合引发剂,不饱和聚酯树脂用固化剂和聚合物用交联剂是有用的。