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    • 21. 发明授权
    • Electron beam exposure system and an apparatus for carrying out the same
    • 电子束曝光系统及其执行装置
    • US4291231A
    • 1981-09-22
    • US971693
    • 1978-12-21
    • Kenichi KawashimaHiroshi YasudaKenyu Uema
    • Kenichi KawashimaHiroshi YasudaKenyu Uema
    • H01L21/027H01J37/302H01J37/00
    • H01J37/3174B82Y10/00B82Y40/00H01J37/3026H01J2237/31762
    • Electron beam exposure system provides a basic pattern data memory for storing data corresponding to the dimensions and the positions of patterns of a basic unit pattern which frequently appears as a unit in a pattern to be exposed on a wafer, and a central processing unit provided with an additional memory system which stores data corresponding to the position at which the basic unit pattern is to be exposed. This system determines the position of the basic unit pattern by adding data from the basic pattern data memory and data from the additional memory system through the central processing unit in accordance with a command of the central processing unit. Thereafter, data corresponding to the dimensions of the patterns in the basic unit patterns from the basic pattern data memory are sent as an input to a deflection system. As a result, the system according to the present invention applies electron beam deflection signals, which are produced by using the obtained data corresponding to the positions and the dimensions of the basic unit patterns, to the deflecting means of the electron beam exposure apparatus.
    • 电子束曝光系统提供基本图案数据存储器,用于存储对应于经常以要暴露在晶片上的图案中以单元形式出现的基本单元图案的尺寸和图案的尺寸和位置的数据;以及中央处理单元, 存储与基本单元图案要被曝光的位置对应的数据的附加存储器系统。 该系统根据中央处理单元的命令,通过从基本模式数据存储器和来自附加存储器系统的数据通过中央处理单元添加数据来确定基本单元模式的位置。 此后,将与来自基本图案数据存储器的基本单元图案中的图案的尺寸相对应的数据作为输入发送到偏转系统。 结果,根据本发明的系统将通过使用与基本单元图案的位置和尺寸对应的获得的数据产生的电子束偏转信号应用于电子束曝光装置的偏转装置。
    • 26. 发明授权
    • Scroll compressor with sealed pressure space biasing the orbiting scroll
member
    • 涡旋压缩机具有偏压绕动涡旋件的密封压力空间
    • US4861245A
    • 1989-08-29
    • US85754
    • 1987-08-17
    • Kenji TojoKenichi KawashimaKazutaka SuefujiYozo Nakamura
    • Kenji TojoKenichi KawashimaKazutaka SuefujiYozo Nakamura
    • F04C18/02F01C17/06F04C27/00
    • F04C27/005F01C17/066
    • A scroll compressor comprises two scroll members, each of which has an end plate and a wrap formed on the end plate so as to extend perpendicularly therefrom, are meshed with each other, one scroll member being orbited with respect to the other without being self-revolved, to introduce a gas into working chamber. The working chamber is formed by these two scroll members, compresses the gas therein and then discharge the same to the outside. A seal mechanism for pressure-sealing between the working chamber or the suction side and a space on a rear surface of the orbiting scroll member is provided on the same rear surface, and also a pair of small-diameter ports for communicating the mentioned space and working chamber with each other are provided on the end plate of the above-mentioned scroll member, whereby the outer diameter of the scroll members can be minimized, and the axial opposed end surfaces of the two scroll members can be maintained in sealed condition.
    • 涡旋压缩机包括两个涡旋构件,每个涡旋构件具有端板和形成在端板上以从其垂直延伸的涡卷彼此啮合,一个涡旋构件相对于另一个旋转, 旋转,将气体引入工作室。 工作室由这两个涡旋件构成,将其中的气体压缩,然后将其排出到外部。 用于在工作室或吸入侧之间进行压力密封的密封机构与绕动涡旋构件的后表面上的空间设置在同一个后表面上,还设有一对用于连通所述空间的小直径端口和 工作室彼此设置在上述涡旋构件的端板上,从而可以使涡旋构件的外径最小化,并且可以将两个涡旋构件的轴向相对的端面保持在密封状态。
    • 28. 发明授权
    • Charged particle beam exposure method and apparatus
    • 带电粒子束曝光方法和装置
    • US5276334A
    • 1994-01-04
    • US916750
    • 1992-07-22
    • Akio YamadaKiichi SakamotoKenichi Kawashima
    • Akio YamadaKiichi SakamotoKenichi Kawashima
    • H01L21/027H01J37/317H01L21/30H01J37/302
    • B82Y10/00B82Y40/00H01J37/3174H01J2237/30411H01J2237/31776
    • A charged particle beam exposure method includes the steps of (a) selectively irradiating a charged particle beam on at least one selected opening forming a selected pattern of a mask which includes a plurality of openings related to a plurality of kinds of patterns so as to shape a cross section of the charged particle beam which is transmitted through the selected opening, where the area of the mask is divided into a plurality of blocks each including at least one opening which is related to one pattern, and (b) irradiating the charged particle beam which is transmitted through the selected opening of the mask onto an object surface so as to expose a desired pattern corresponding to at least a part of the pattern of the selected opening on the object surface, where the step (a) carries out first and second deflections independently of each other with respect to the charged particle beam. The first deflection deflects the charged particle beam within a first deflection range which corresponds to the size of one block and the second deflection deflects the charged particle beam within a second irradiating range which covers a plurality of blocks of the mask, so that the second deflection deflects the charged particle beam to irradiate the selected opening out of the plurality of openings of the mask and the first deflection sets the first deflection range of the charged particle beam with respect to the selected opening.
    • 带电粒子束曝光方法包括以下步骤:(a)在至少一个选定的开口上选择性地照射带电粒子束,所述至少一个选择的开口形成掩模的选定图案,所述图案包括与多种图案相关的多个开口以形成 所述带电粒子束的透射通过所述选择的开口的横截面,其中所述掩模的面积被分成多个块,每个块包括与一个图案相关的至少一个开口,以及(b)照射所述带电粒子 光束,其通过掩模的所选择的开口透射到物体表面上,以暴露与物体表面上的所选择的开口的图案的至少一部分的至少一部分相对应的期望图案,其中步骤(a)首先执行, 相对于带电粒子束彼此独立的第二偏转。 第一偏转将带电粒子束偏转在对应于一个块的尺寸的第一偏转范围内,并且第二偏转使带电粒子束在覆盖掩模的多个块的第二照射范围内偏转,使得第二偏转 使带电粒子束偏转以将所选择的开口照射到掩模的多个开口中,并且第一偏转相对于所选择的开口设置带电粒子束的第一偏转范围。