知搜-全球专利检索

  1. 登录
  2. 注册

搜索结果

12 条记录 (耗时 0.02 秒)

    Microelectromechanical (MEMS) manipulators for control of nanoparticle coupling interactions
    1.
    发明授权
    Microelectromechanical (MEMS) manipulators for control of nanoparticle coupling interactions 有权
    用于控制纳米颗粒耦合相互作用的微机电（MEMS）操纵器

    公开(公告)号：US08922094B2

    公开(公告)日：2014-12-30

    申请号：US13022353

    申请日：2011-02-07

    申请人： Omar Daniel Lopez ,  Gary Wiederrecht ,  David J. Gosztola ,  Derrick C. Mancini

    发明人： Omar Daniel Lopez ,  Gary Wiederrecht ,  David J. Gosztola ,  Derrick C. Mancini

    IPC分类号： H02N1/00

    CPC分类号： H02N1/008 ,  B25J7/00 ,  G01N21/658 ,  G01N2201/02 ,  G02B5/008 ,  G02F1/17 ,  Y10T74/20354 ,  Y10T74/2036

    摘要： A nanopositioning system for producing a coupling interaction between a first nanoparticle and a second nanoparticle. A first MEMS positioning assembly includes an electro-static comb drive actuator configured to selectively displace a first nanoparticle in a first dimension and an electrode configured to selectively displace the first nanoparticle in a second dimensions. Accordingly, the first nanoparticle may be selectively positioned in two dimensions to modulate the distance between the first nanoparticle and a second nanoparticle that may be coupled to a second MEMS positioning assembly. Modulating the distance between the first and second nanoparticles obtains a coupling interaction between the nanoparticles that alters at least one material property of the nanoparticles applicable to a variety of sensing and control applications.

    摘要翻译： 一种用于产生第一纳米颗粒和第二纳米颗粒之间的偶联相互作用的纳米定位系统。 第一MEMS定位组件包括静电梳状驱动致动器，其被配置为选择性地置换第一尺寸中的第一纳米颗粒和被配置成在第二维度中选择性地置换第一纳米颗粒的电极。 因此，第一纳米颗粒可以被选择性地定位在二维上以调节第一纳米颗粒和第二纳米颗粒之间的距离，第二纳米颗粒可以耦合到第二MEMS定位组件。 调节第一和第二纳米颗粒之间的距离获得纳米颗粒之间的耦合相互作用，其改变适用于各种感测和控制应用的纳米颗粒的至少一种材料性质。

    MICROELECTROMECHANICAL (MEMS) MANIPULATORS FOR CONTROL OF NANOPARTICLE COUPLING INTERACTIONS
    4.
    发明申请
    MICROELECTROMECHANICAL (MEMS) MANIPULATORS FOR CONTROL OF NANOPARTICLE COUPLING INTERACTIONS 有权
    用于控制纳米耦合相互作用的微电子机械（MEMS）操纵器

    公开(公告)号：US20110192248A1

    公开(公告)日：2011-08-11

    申请号：US13022353

    申请日：2011-02-07

    申请人： Omar Daniel LOPEZ ,  Gary Wiederrecht ,  David J. Gosztola ,  Derrick C. Mancini

    发明人： Omar Daniel LOPEZ ,  Gary Wiederrecht ,  David J. Gosztola ,  Derrick C. Mancini

    IPC分类号： B81B7/02

    CPC分类号： H02N1/008 ,  B25J7/00 ,  G01N21/658 ,  G01N2201/02 ,  G02B5/008 ,  G02F1/17 ,  Y10T74/20354 ,  Y10T74/2036

    摘要： A nanopositioning system for producing a coupling interaction between a first nanoparticle and a second nanoparticle. A first MEMS positioning assembly includes an electro-static comb drive actuator configured to selectively displace a first nanoparticle in a first dimension and an electrode configured to selectively displace the first nanoparticle in a second dimensions. Accordingly, the first nanoparticle may be selectively positioned in two dimensions to modulate the distance between the first nanoparticle and a second nanoparticle that may be coupled to a second MEMS positioning assembly. Modulating the distance between the first and second nanoparticles obtains a coupling interaction between the nanoparticles that alters at least one material property of the nanoparticles applicable to a variety of sensing and control applications.

    摘要翻译： 一种用于产生第一纳米颗粒和第二纳米颗粒之间的偶联相互作用的纳米定位系统。 第一MEMS定位组件包括静电梳状驱动致动器，其被配置为选择性地置换第一尺寸中的第一纳米颗粒和被配置成在第二维度中选择性地置换第一纳米颗粒的电极。 因此，第一纳米颗粒可以被选择性地定位在二维上以调节第一纳米颗粒和第二纳米颗粒之间的距离，第二纳米颗粒可以耦合到第二MEMS定位组件。 调节第一和第二纳米颗粒之间的距离获得纳米颗粒之间的耦合相互作用，其改变适用于各种感测和控制应用的纳米颗粒的至少一种材料性质。

    High-repetition rate position sensitive atom probe
    5.
    发明授权
    High-repetition rate position sensitive atom probe 失效
    高重复率位置敏感原子探针

    公开(公告)号：US5061850A

    公开(公告)日：1991-10-29

    申请号：US560616

    申请日：1990-07-30

    申请人： Thomas F. Kelly ,  Jon J. McCarthy ,  Derrick C. Mancini

    发明人： Thomas F. Kelly ,  Jon J. McCarthy ,  Derrick C. Mancini

    IPC分类号： G01Q10/00 ,  G01Q70/08 ,  H01J37/04 ,  H01J37/244 ,  H01J37/285

    CPC分类号： H01J37/244 ,  H01J37/045 ,  H01J37/285 ,  H01J49/0004 ,  H01J2237/24435 ,  H01J2237/2446 ,  H01J2237/24495 ,  H01J2237/24507 ,  H01J2237/24592

    摘要： Atom probe apparatus includes an emission tip from which atoms can be evaporated in atomic emission events, a position sensitive detector for detecting the position and timing of the charge cloud resulting from atomic emission events, and a pulse heating beam for heating the emission tip in short pulses to evaporate atoms essentially one at a time from the emission tip. The heating beam may be formed as an electron beam from an electron gun which is directed to the tip and scanned rapidly back and forth across the tip to be incident upon the tip for short periods of time as the beam is scanned back and forth. The beam may further be produced as a chopped beam of electrons by scanning the beam back and forth across a slit in an aperture plate so that only pulses of electrons pass through the plate as the beam passes across the slit. The electrons passing through the slit are then focused and directed to the tip. The tip may also be heated by light from a pulsed source such as a laser which is passed through a reflecting Schwarzschild objective and focused onto the tip in pulses to provide excitation by light photons. The position sensitive detector, which may include a microchannel plate backed by a position sensitive wedge and strip detector, determines both the time of arrival of a charge pulse from an atomic emission event and the relative position of the charge cloud at the point where it impacts upon the detector. The detector may also be formed as a three-level, trigonal array of pads which allows both one and two atomic events per heating pulse to be resolved.

    摘要翻译： 原子探针装置包括在原子发射事件中原子可以从其中蒸发的发射尖端，用于检测由原子发射事件引起的电荷云的位置和定时的位置敏感检测器，以及用于加热发射尖端的脉冲加热束 脉冲从发射尖端一次一个地蒸发原子。 加热束可以形成为来自电子枪的电子束，该电子枪被引导到尖端，并且当光束来回扫描时，短时间内快速地来回扫描尖端以入射到尖端上。 通过在光阑板的狭缝中来回扫描光束，可以进一步将光束形成为短切的电子束，使得只有脉冲的电子在光束穿过狭缝时通过该板。 然后通过狭缝的电子被聚焦并被引导到尖端。 尖端也可以由来自脉冲源（例如穿过反射Schwarzschild物体的激光器）的光加热，并以脉冲聚焦到尖端上以提供光子激发。 位置敏感检测器，其可以包括由位置敏感楔形物和条形检测器支撑的微通道板，确定来自原子发射事件的电荷脉冲的到达时间和电荷云在其影响的点处的相对位置 在检测器上。 检测器也可以形成为三级的三角阵列阵列，其允许解决每个加热脉冲的一个和两个原子事件。

    Spatially controlled, in situ synthesis of polymers
    10.
    发明授权
    Spatially controlled, in situ synthesis of polymers 失效
    空间控制，聚合物的原位合成

    公开(公告)号：US06869983B2

    公开(公告)日：2005-03-22

    申请号：US10458344

    申请日：2003-06-10

    申请人： Gerard T. Caneba ,  Vijaya Raghavan Tirumala ,  Derrick C. Mancini ,  Hsien-Hau Wang

    发明人： Gerard T. Caneba ,  Vijaya Raghavan Tirumala ,  Derrick C. Mancini ,  Hsien-Hau Wang

    IPC分类号： C08F2/46

    CPC分类号： C08F2/46 ,  Y10S522/91

    摘要： An in situ polymer microstructure formation method. The monomer mixture is polymerized in a solvent/precipitant through exposure to ionizing radiation in the absence any chemical mediators. If an exposure mask is employed to block out certain regions of the radiation cross section, then a patterned microstructure is formed. The polymerization mechanism is based on the so-called free-radical retrograde-precipitation polymerization process, in which polymerization occurs while the system is phase separating above the lower critical solution temperature. This method was extended to produce a crosslinked line grid-pattern of poly (N-isopropylacrylamide), which has been known to have thermoreversible properties.

    摘要翻译： 原位聚合物微观结构形成方法。 在没有任何化学介质的情况下，通过暴露于电离辐射，单体混合物在溶剂/沉淀剂中聚合。 如果使用曝光掩模来阻挡辐射截面的某些区域，则形成图案化的微结构。 聚合机理基于所谓的自由基逆行沉淀聚合方法，其中在系统在较低临界溶解温度以上分相时发生聚合。 该方法被扩展以产生已知具有热可逆性质的聚（N-异丙基丙烯酰胺）的交联线栅格图案。