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    • 3. 发明授权
    • Method and apparatus for adjustably induced biaxial strain
    • 用于可调节诱导双轴应变的方法和装置
    • US07044461B2
    • 2006-05-16
    • US10837027
    • 2004-04-30
    • Michael J. VestelDaryl Patrick Oshatz
    • Michael J. VestelDaryl Patrick Oshatz
    • B23Q3/00G01D1/16G01D7/02
    • F03G7/065
    • An apparatus comprising a shape memory alloy is configured as a ring shaped sample holder for a transmission electron microscope and imparts uniform biaxial strain on a thin film mounted within. The sample holder responds to a change in temperature by changing the inner diameter, which imparts biaxial strain. In other embodiments, the sample holder is configured to change the inner diameter and change the strain on a thin film reversibly and repeatedly. In further embodiments, the sample holder is non circular. In still further embodiments, the apparatus is configured as a prime mover of a reversible radial actuator. Methods for making and using the apparatus are included in other embodiments.
    • 包括形状记忆合金的装置被配置为用于透射电子显微镜的环形样品保持器,并且在安装在其上的薄膜上施加均匀的双轴应变。 样品架通过改变内径而产生双轴应变,从而对温度变化做出反应。 在其他实施例中,样品保持器构造成可逆地和重复地改变内径并改变薄膜上的应变。 在另外的实施例中,样品保持器是非圆形的。 在另外的实施例中,该装置被配置为可逆径向致动器的原动机。 制造和使用该装置的方法包括在其它实施例中。