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    • 1. 发明授权
    • Ball screw device with means for maintaining balance
    • 滚珠丝杠装置,具有保持平衡的装置
    • US5809838A
    • 1998-09-22
    • US874345
    • 1997-06-13
    • Kazuo MiyaguchiDaisuke Kuroiwa
    • Kazuo MiyaguchiDaisuke Kuroiwa
    • F16H25/22F16H57/04
    • F16H25/2214F16H57/0497Y10T74/18744
    • In a ball screw device which provides a screw shaft including a ball screw groove in the outer peripheral surface, a ball nut including a ball screw groove formed in the inner peripheral surface opposite to the ball screw groove of the screw shaft, a plurality of balls fitted between the ball screw grooves of the screw shaft and ball nut, and a tube type circulation path for circulating these balls, the ball screw device can reduce the moment of inertia of a rotary portion of the device so as to facilitate the use of the ball screw device of a nut rotation type. Further, the ball screw device further provides an oil supplying structure which includes a first oil supplying hole formed in the outer race of the rolling bearing and passing through the outer race from the outer peripheral surface thereof to the inner peripheral surface thereof, and a second oil supplying hole formed in the ball nut, passing through the ball nut from the outer peripheral surface thereof to the inner peripheral surface thereof and also communicating with the first oil supplying hole through an annular gap. The oil supplying structure can supply oil even while the ball screw device is in operation, and eliminate the mounting and removal of an oil supplying pipe when supplying the oil.
    • 在提供包括外周面的滚珠丝杠槽的螺杆的滚珠丝杠装置中,具有形成在与螺杆轴的滚珠丝杠槽相反的内周面的滚珠丝杠槽的滚珠螺母,多个滚珠 安装在螺杆轴的滚珠丝杠槽和滚珠螺母之间,以及用于使这些滚珠循环的管式循环路径,滚珠丝杠装置可以减少装置的旋转部分的转动惯量,以便于使用 螺母旋转式滚珠丝杠装置。 此外,滚珠丝杠装置还提供一种供油结构,该供油结构包括形成在滚动轴承的外圈中的第一供油孔,并从其外周表面到达其内周表面,并且第二供油结构 在滚珠螺母中形成的供油孔,其从外周面通过滚珠螺母到其内周面,并且还通过环状间隙与第一供油孔连通。 即使在滚珠丝杠装置运行时,供油结构也可以供给油,并且在供给油时不排除供油管的安装和拆卸。
    • 7. 发明申请
    • METHOD FOR THIN FILM DEPOSITION USING MULTI-TRAY FILM PRECURSOR EVAPORATION SYSTEM
    • 使用多层薄膜前驱体蒸发系统薄膜沉积的方法
    • US20070032079A1
    • 2007-02-08
    • US11537575
    • 2006-09-29
    • Kenji SuzukiEmmanuel GuidottiGerrit LeusinkMasamichi HaraDaisuke Kuroiwa
    • Kenji SuzukiEmmanuel GuidottiGerrit LeusinkMasamichi HaraDaisuke Kuroiwa
    • H01L21/44
    • C23C16/4481C23C16/16
    • A method for depositing a Ru metal layer on a patterned substrate from a film precursor vapor delivered from a multi-tray film precursor evaporation system. The method comprises providing a patterned substrate in a process chamber of a deposition system, and forming a process gas containing Ru3(CO)12 precursor vapor and a carrier gas comprising CO gas. The process gas is formed by: providing a solid Ru3(CO)12 precursor in a plurality of spaced trays within a precursor evaporation system, wherein each tray is configured to support the solid precursor and wherein the plurality of spaced trays collectively provide a plurality of surfaces of solid precursor; heating the solid precursor in the plurality of spaced trays in the precursor evaporation system to a temperature greater than about 60° C. and maintaining the solid precursor at the temperature to form the vapor; and flowing the carrier gas in contact with the plurality of surfaces of the solid precursor during the heating to capture Ru3(CO)12 precursor vapor in the carrier gas as the vapor is being formed at the plurality of surfaces. The method further includes transporting the process gas from the precursor evaporation system to the process chamber and exposing the patterned substrate to the process gas to deposit a Ru metal layer on the patterned substrate by a thermal CVD.
    • 一种用于从多托盘膜前体蒸发系统递送的膜前体蒸气在图案化衬底上沉积Ru金属层的方法。 该方法包括在沉积系统的处理室中提供图案化的衬底,并且形成含有Ru 3(CO)12 N 2前体蒸气的工艺气体和包含CO 加油站。 工艺气体通过以下方式形成:在前体蒸发系统内的多个间隔的塔板中提供固体Ru 3(CO)12 N 2前体,其中每个托盘被构造成支撑 所述固体前体并且其中所述多个间隔的托盘共同提供固体前体的多个表面; 将前体蒸发系统中的多个间隔的塔板中的固体前体加热到大于约60℃的温度,并将固体前体保持在该温度以形成蒸气; 并且在加热期间使载气与固体前体的多个表面接触,以使载气中的Ru 3(CO)12 N 2前体蒸汽作为蒸气 在多个表面上形成。 该方法还包括将处理气体从前体蒸发系统输送到处理室,并将图案化衬底暴露于工艺气体,以通过热CVD沉积图案化衬底上的Ru金属层。