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    • 1. 发明授权
    • Defect assessing apparatus and method, and semiconductor manufacturing method
    • 缺陷评估装置和方法以及半导体制造方法
    • US06226079B1
    • 2001-05-01
    • US09161393
    • 1998-09-29
    • Kazuo TakedaMakoto OhkuraSeiichi IsomaeKyoko MinowaMuneo MaeshimaShigeru MatsuiYasushi MatsudaHirofumi Shimizu
    • Kazuo TakedaMakoto OhkuraSeiichi IsomaeKyoko MinowaMuneo MaeshimaShigeru MatsuiYasushi MatsudaHirofumi Shimizu
    • G01N2100
    • G01N21/9501G01N21/47
    • A defect assessing apparatus and method and a semiconductor manufacturing method for revealing the relationship between the size and depth of defects is disclosed. A detecting optical system is provided for detecting the intensity of scattered light from a defect generated by the shorter wavelength one of the light rays of at least two different wavelengths emitted from irradiating optical systems and that of scattered light from the defect generated by the longer wavelength one of same. A calculating means is provided for determining, from the scattered light intensity derived from the shorter wavelength ray and that derived form the longer wavelength ray, both detected by the detecting optical system, a value corresponding to the defect size and another value corresponding to the defect depth. A display means is provided for displaying a distribution revealing the relationship between defect size and defect depth on the basis of the value corresponding to the defect size and the value corresponding to the defect depth, both determined by the calculating means.
    • 公开了一种用于揭示缺陷的尺寸和深度之间的关系的缺陷评估装置和方法以及半导体制造方法。 提供了一种检测光学系统,用于检测由照射光学系统发射的至少两种不同波长的较短波长的一个光线产生的缺陷的散射光的强度,以及来自由较长波长产生的缺陷的散射光 一个是相同的 提供了一种计算装置,用于根据由检测光学系统检测的来自较短波长的衍射的散射光强度和由较长波长的光导出的值,确定对应于缺陷尺寸的值和对应于缺陷的另一个值 深度。 提供显示装置,用于根据由计算装置确定的缺陷尺寸和对应于缺陷深度的值,显示出显示缺陷尺寸和缺陷深度之间的关系的分布。
    • 4. 发明授权
    • Method and apparatus for producing semiconductor or metal particles
    • 用于制造半导体或金属颗粒的方法和装置
    • US07189278B2
    • 2007-03-13
    • US10418317
    • 2003-04-18
    • Kenji KatoYukio YamaguchiSeiichi IsomaeMasaki Miyazaki
    • Kenji KatoYukio YamaguchiSeiichi IsomaeMasaki Miyazaki
    • B22F9/06
    • B22F9/08B01J2/04B22F2009/0816B22F2009/0888B22F2009/0892
    • A method for producing semiconductor or metal particles comprises the steps of: storing a semiconductor or metal melt in a crucible having a nozzle; supplying a gas comprising at least one selected from the group consisting of He, Ne, Ar, Kr and Xe into the crucible such that the pressure of the supplied gas in a space over the melt in the crucible is higher than the pressure of a gaseous phase into which the melt is dropped; dropping the melt from the nozzle into the gaseous phase by the pressure of the gas to form liquid particles; and solidifying the liquid particles in the gaseous phase to obtain semiconductor or metal particles. The crucible comprises at least one selected from the group consisting of hexagonal BN, cubic BN, Si3N4, TiB2, ZrB2, zirconia and stabilized zirconia at least near the nozzle. Alternatively, the crucible comprises quartz glass at least near the nozzle and has a heat-resistant support member for suppressing deformation caused by a decrease in viscosity of the quartz glass at high temperatures.
    • 一种制造半导体或金属颗粒的方法包括以下步骤:将半导体或金属熔体储存在具有喷嘴的坩埚中; 将包含选自He,Ne,Ar,Kr和Xe中的至少一种的气体供应到坩埚中,使得在坩埚中的熔体上方的供应气体的压力高于气体的压力 熔体滴入其中的相; 通过气体的压力将熔体从喷嘴滴入气相中以形成液体颗粒; 并使气相中的液体颗粒固化,得到半导体或金属颗粒。 所述坩埚包括选自六方晶系BN,立方BN,Si 3 N 4 N,TiB 2 N,ZrB,SUB的至少一种 至少在喷嘴附近,氧化锆和稳定的氧化锆。 或者,坩埚包括至少在喷嘴附近的石英玻璃,并且具有用于抑制在高温下石英玻璃的粘度降低引起的变形的耐热支撑构件。