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    • 81. 发明授权
    • Integrated local and global optical metrology for samples having miniature features
    • 集成的本地和全球光学测量用于具有微型特征的样品
    • US07397030B1
    • 2008-07-08
    • US11445749
    • 2006-06-01
    • Mehdi BaloochAbdul Rahim Forouhi
    • Mehdi BaloochAbdul Rahim Forouhi
    • H01J37/00
    • G01Q30/02
    • This invention relates to an apparatus and method for integrated measurement of a sample that has miniature features. The apparatus has an optical measuring unit for illuminating the sample with a global test radiation over an optical test region and obtaining an optical response, such as scattered or transmitted radiation from the optical test region. In addition, the apparatus has a local measuring unit for making a nanometer scale measurement of a local material parameter ρ of the sample. The local parameter ρ is determined with a mechanical, optical, magnetic, electric or other physical measurement performed in the nanometer range with a scanning probe tip at a test location lying within the optical test region. The material parameter ρ is selected such that it is substantially constant or uniform over the illuminated area. A computational unit determines a property of the miniature features within the optical test region from the optical response supplemented with an adjustment derived from the local material parameter obtained by the local measuring unit.
    • 本发明涉及一种具有微型特征的样本的集成测量装置和方法。 该装置具有光学测量单元,用于在光学测试区域上以全局测试辐射照射样品,并获得光学响应,例如来自光学测试区域的散射或透射的辐射。 此外,该装置具有用于对样品的局部材料参数rho进行纳米级测量的局部测量单元。 局部参数rho通过在纳米范围内进行的机械,光学,磁性,电学或其他物理测量来确定,扫描探针尖端位于光学测试区域内的测试位置。 选择材料参数rho使得其在照明区域上基本上恒定或均匀。 计算单元根据补充有由本地测量单元获得的局部材料参数导出的调整的光学响应确定光学测试区域内的微型特征的属性。
    • 82. 发明授权
    • Electron beam apparatus and high-voltage discharge prevention method
    • 电子束装置及高压放电防止方法
    • US07274017B2
    • 2007-09-25
    • US11137445
    • 2005-05-26
    • Akimitsu OkuraMasashi KimuraKenichi HiraneYoshihiko Nakayama
    • Akimitsu OkuraMasashi KimuraKenichi HiraneYoshihiko Nakayama
    • H01J37/00
    • H01J37/241H01J2237/0206
    • Disclosed is an electron beam apparatus and method which can retain the state that minimizes the amount of water content contained at a gap between a high-voltage cable and a high-voltage introduction insulator to thereby prevent creation of high-voltage discharge and current leakage. The apparatus comprises a means for applying a high voltage to an acceleration electrode while eliminating electron release from an electron source and for detecting a change in an emission current corresponding to a change in an acceleration voltage at this time. In addition, the apparatus comprises a means for issuing a cautionary notice or warning when the change of this emission current exceeds a prespecified value. Further, the apparatus comprises a means for letting a dry gas flow in a gap portion between the electron gun's high-voltage cable and the high-voltage introduction insulator to thereby dehumidify said gap portion. With such an arrangement, it is possible to prevent high-voltage discharge due to an increase in water content of the gap portion and also instability of an electron beam due to a leakage current.
    • 公开了一种电子束装置和方法,其可以保持使高压电缆和高压引入绝缘体之间的间隙中含有的含水量最小化的状态,从而防止高压放电和电流泄漏的产生。 该装置包括用于向加速电极施加高电压同时消除电子从电子源的释放并且用于检测与此时加速电压的变化相对应的发射电流的变化的装置。 此外,该装置包括当该发射电流的变化超过预定值时发出警告通知或警告的装置。 此外,该装置包括用于使干燥气体在电子枪的高压电缆和高压引入绝缘体之间的间隙部分中流动从而对所述间隙部分进行除湿的装置。 通过这样的布置,可以防止由于间隙部分的水分含量增加引起的高压放电以及由于漏电流引起的电子束的不稳定性。
    • 86. 发明授权
    • Ion implanter and method of preventing undesirable ions from implanting a target wafer
    • 离子注入机和防止不需要的离子注入目标晶片的方法
    • US07023003B2
    • 2006-04-04
    • US10804890
    • 2004-03-18
    • Chen-Chung LiJui-Chun WengChi-Chieh WangTai-Kun Kao
    • Chen-Chung LiJui-Chun WengChi-Chieh WangTai-Kun Kao
    • H01J37/00H01J37/08H01J37/20
    • H01J37/302H01J37/3171
    • An ion implanter is provided having an ion source; an AMU analyzing magnet having a fixed radius Ram; an ion extraction voltage source; a communication interface for monitoring implantation parameters; and an equipment server having a data log. The ion implanter further has an arithmetic processor capable of determining a real-time estimated radius Re of a circular path of ions being implanted into a target wafer. A method of using the ion implanter provide an interlock on an AMU of each of a plurality of ions being implanted into the target wafer. The method has the step of determining in real-time if an ion implanter is implanting a desired ion into a target wafer. Also, the method determines if an absolute value of an offset between the Ram and Re exceeds a predetermined radius tolerance level L and adjusts the implanter accordingly if L is exceeded.
    • 提供具有离子源的离子注入机; 具有固定半径R am的AMU分析磁体; 离子提取电压源; 用于监测植入参数的通信接口; 以及具有数据日志的设备服务器。 离子注入机还具有算术处理器,该算术处理器能够确定注入目标晶片的离子的圆形路径的实时估计半径R e E。 使用离子注入机的方法在被注入到目标晶片中的多个离子中的每一个的AMU上提供互锁。 该方法具有实时确定离子注入机是否将期望的离子注入目标晶片的步骤。 此外,该方法确定R> am和<>< / SUB之间的偏移的绝对值是否超过预定的半径公差等级L,并且如果超过L则相应地调整注入机。
    • 87. 发明授权
    • Delay time modulation femtosecond time-resolved scanning probe microscope apparatus
    • 延迟时间调制飞秒时间分辨扫描探针显微镜装置
    • US07002149B2
    • 2006-02-21
    • US10496571
    • 2002-11-25
    • Hidemi ShigekawaOsamu TakeuchiMikio YamashitaRyuji Morita
    • Hidemi ShigekawaOsamu TakeuchiMikio YamashitaRyuji Morita
    • H01J37/00
    • G01J3/433G01J3/2889G01J2001/4242G01N21/6408G01N21/6458G01N2021/6415G01Q30/02G01Q60/12Y10S977/85
    • Disclosed is a measuring apparatus for a physical phenomenon by photoexcitation, in particular a delay time modulated and time-resolved, scanning probe microscope apparatus providing an ultimate resolution both temporal and spatial. The apparatus comprises an ultrashort laser pulse generator (2); a delay time modulating circuit (6) which splits an ultrashort laser pulse (3) produced by the ultrashort laser pulse generator (2) into two and which also modulates a delay time td between the two ultrashort laser pulses (4 and 5) with a frequency (ω); a scanning probe microscope (7); and a lock-in detection unit (8) which performs lock-in detection with the delay time modulation frequency (ω) of a probe signal (11) from the scanning probe microscope (7). It can detect the delay time dependency of the probe signal (11) as its differential coefficient to the delay time, with no substantial influence from fluctuations in the intensity of ultrashort laser pulses (3) while preventing the probe apex (19) from thermal expansion and shrinkage by repeated irradiation with ultrashort laser pulses (3). A photoexcited physical phenomenon dependent on a delay time between ultrashort laser pulses can thus be measured at a temporal resolution in the order of femtoseconds and at a spatial resolution in the order of angstroms.
    • 公开了一种通过光激发的物理现象的测量装置,特别是延迟时间调制和时间分辨的扫描探针显微镜装置,其提供了时间和空间上的最终分辨率。 该装置包括超短激光脉冲发生器(2); 延迟时间调制电路(6),其将由超短激光脉冲发生器(2)产生的超短激光脉冲(3)分成两个,并且还调制两个超短激光器之间的延迟时间t 具有频率(ω)的脉冲(4和5); 扫描探针显微镜(7); 以及锁定检测单元(8),其利用来自扫描探针显微镜(7)的探测信号(11)的延迟时间调制频率(ω)执行锁定检测。 探测信号(11)的延迟时间依赖性可以作为其延迟时间的微分系数,而不会因为超短激光脉冲(3)的强度的波动带来实质的影响,同时防止探头顶点(19)的热膨胀 以及通过用超短激光脉冲(3)重复照射来收缩。 因此,依赖于超短激光脉冲之间的延迟时间的光激发物理现象可以以飞秒级的时间分辨率和以埃的空间分辨率测量。
    • 90. 发明授权
    • Adjustable implantation angle workpiece support structure for an ion beam implanter
    • 用于离子束注入机的可调植入角工件支撑结构
    • US06900444B2
    • 2005-05-31
    • US10869368
    • 2004-06-16
    • Joseph FerraraRobert John Mitchell
    • Joseph FerraraRobert John Mitchell
    • G01J1/00G01N21/00H01J37/00H01J37/20H01J37/317
    • H01J37/3171H01J37/20H01J2237/20207H01J2237/20221H01J2237/24528H01L21/68764H01L21/68771
    • An ion beam implanter includes an ion beam source for generating an ion beam moving along a beam line and an implantation chamber wherein a workpiece is positioned to intersect the ion beam for ion implantation of a surface of the workpiece by the ion beam. The ion beam implanter further includes a workpiece support structure coupled to the implantation chamber and supporting the workpiece. The workpiece support structure includes a first rotation member rotatably coupled to the implantation chamber and overlaying an opening in the implantation chamber. The workpiece support structure further includes a second rotation member rotatably coupled to the first rotation member and having a rotating shaft that protrudes through the first member and an axis of rotation offset from an axis of rotation of the first rotation member. The workpiece support structure also includes a third member fixedly attached to the second rotation member that extends into the implantation chamber, the third member including a rotatable drive supporting the workpiece having an axis of rotation offset from the axis of rotation of the first rotation member. The first rotation member, the second rotation member and the rotatable drive of the third rotation member rotate to move the workpiece along a path of travel for implantation of the implantation surface wherein a distance that the ion beam moves through the implantation chamber before striking the implantation surface of the workpiece is constant.
    • 离子束注入机包括用于产生沿着束线移动的离子束的离子束源和注入室,其中工件被定位成与离子束相交,用于通过离子束离子注入工件的表面。 离子束注入机还包括耦合到注入室并支撑工件的工件支撑结构。 工件支撑结构包括可旋转地联接到植入室并覆盖植入室中的开口的第一旋转构件。 工件支撑结构还包括第二旋转构件,其可旋转地联接到第一旋转构件并且具有从第一构件突出的旋转轴和从第一旋转构件的旋转轴线偏移的旋转轴。 工件支撑结构还包括固定地附接到第二旋转构件的第三构件,其延伸到注入室中,第三构件包括支撑工件的可旋转驱动装置,其具有偏离第一旋转构件的旋转轴线的旋转轴线。 第一旋转构件,第二旋转构件和第三旋转构件的可旋转驱动器旋转以沿着用于注入植入表面的移动路径移动工件,其中在撞击植入之前离子束移动通过注入室的距离 工件表面是恒定的。