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    • 17. 发明授权
    • Mechanical structure including a layer of polymerised liquid crystal and method of manufacturing such
    • 包括聚合液晶层的机械结构及其制造方法
    • US07847885B2
    • 2010-12-07
    • US10597569
    • 2005-01-27
    • Dirk Jan BroerChristiane Maria Rosette De WitzGrietje Neeltje MolRoel Penterman
    • Dirk Jan BroerChristiane Maria Rosette De WitzGrietje Neeltje MolRoel Penterman
    • G02F1/1333
    • G02B26/02B81B3/0024B81B2201/032B81B2201/047Y10T156/11
    • A mechanical structure comprises an element which is moveable by nonmechanical means, such as heat or radiation, between a first state having a first shape and a second state having a second shape different. To this end, the element includes a layer of oriented polymerized liquid crystal which exhibits an anisotropic expansion when subjected to such means. In order to facilitate manufacture the element is positioned on a substrate which has a region of high adhesiveness and a region of low adhesiveness for polymerized liquid crystal. To manufacture such structures a layer of oriented polymerizable liquid crystal is formed on a substrate (201) which is provided with a patterned surface that provides adhesive regions (204) with high adhesiveness to polymerized liquid crystal and nonadhesive regions (203) with low adhesiveness to polymerized liquid crystal. After polymerization, for example a thermal shock is applied which causes the layer of polymerized liquid crystal to delaminate at the non-adhering region while remaining fixed to the adhesive regions. Thus, the method does not require time-consuming under-etching steps.
    • 机械结构包括可在诸如热或辐射之间的非机械装置在具有第一形状的第一状态和具有第二形状的第二状态之间移动的元件。 为此,元件包括定向聚合的液晶层,当经受这种方法时,其呈现各向异性膨胀。 为了便于制造,元件位于具有高粘合性区域的基底和聚合液晶的低粘合性区域。 为了制造这样的结构,在基板(201)上形成定向聚合性液晶层,该基板(201)设置有图案化表面,该图案表面向聚合液晶和非粘附区域(203)提供对粘合性高的粘合性区域(204),其粘合性低 聚合液晶。 聚合后,例如进行热冲击,使得聚合液晶层在非粘附区域分层,同时保持固定在粘合剂区域上。 因此,该方法不需要耗时的蚀刻下步骤。