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    • 63. 发明授权
    • Magnetostrictive actuator
    • 磁致伸缩致动器
    • US5850109A
    • 1998-12-15
    • US913402
    • 1997-09-12
    • Randolf MockHans MeixnerAndreas Kappel
    • Randolf MockHans MeixnerAndreas Kappel
    • F04B17/00H01L41/12H04R15/00
    • H04R15/00F04B17/003H01L41/12
    • Drive elements whose physical volume is considerably smaller than piezoelectric actuators for comparable mechanical characteristics and actuation travels can be developed on the basis of the magnetostrictive material Tb.sub.x Dy.sub.1-x Fe.sub.2 (Terfenol). Despite these characteristics, magnetostrictive actuators have until now been used only where no rapid switching processes or actuation movements are required. An actuator of compact construction responds to an electrical drive signal very quickly and can produce large actuation forces. The actuator typically contains N.apprxeq.100 drive elements (1, 1') which are arranged one above the other in the form of a stack, are each of layered construction, and are provided with electrical connections. The drive elements (1, 1') each have a small metal plate (4, 4'), which is arranged between two insulators (2, 2', 3, 3'), and an actuator element (5, 5') which is manufactured from Terfenol. When current flows through it, the small metal plate (4, 4'), which is slotted in a U-shape, acts as a planar annular coil whose magnetic field passes through the actuator element (5, 5') and causes magnetostriction there.
    • PCT No.PCT / DE96 / 00384 Sec。 371日期:1997年9月12日 102(e)日期1997年9月12日PCT提交1996年3月5日PCT公布。 公开号WO96 / 29748 日期1996年9月26日可以在磁致伸缩材料TbxDy1-xFe2(Terfenol)的基础上开发物理体积远小于压电致动器的相当的机械特性和致动行程的驱动元件。 尽管有这些特征,但是迄今为止,只有在不需要快速切换过程或致动运动的地方才使用磁致伸缩致动器。 紧凑结构的致动器非常快速地响应电驱动信号并且可以产生大的致动力。 致动器通常包含以堆叠的形式彼此排列的N个大约100个驱动元件(1,1'),每个都是分层结构,并且设置有电连接。 驱动元件(1,1')各自具有设置在两个绝缘体(2,2',3,3')和致动器元件(5,5')之间的小金属板(4,4'), 它是由Terfenol制造的。 当电流流过其中时,开槽为U形的小金属板(4,4')起到平面环形线圈的作用,其中磁场通过致动器元件(5,5')并在其中引起磁致伸缩 。
    • 64. 发明授权
    • Arrangement for heating the ink in the write head of an ink-jet printer
    • 用于加热喷墨打印机的写入头中的墨水的布置
    • US5208611A
    • 1993-05-04
    • US715794
    • 1991-06-14
    • Andreas KappelRudolf Probst
    • Andreas KappelRudolf Probst
    • B41J2/05
    • B41J2/04541B41J2/04548B41J2/04563B41J2/0458B41J2002/14379B41J2202/11
    • A heating device of a write head based on layer technology for an ink jet printer is furnished as a heating resistor (15) in the form of a heating conduit meander directly from an electrically conductive thin film, disposed in the empty spaces on a substrate, and deposited on the base oxide for furnishing the thermal converter and the conductor paths (5, 6). The empty spaces are thereby created by a spacing and a group-like combination and a gathering of the conductor paths (5, 6), wherein part sections of the heating resistors (15) are embedded in the empty spaces. The heating resistor (15) is part of a resistance measurement bridge and is employed simultaneously as a heat source and as a temperature sensor based on processing and evaluation of its electrical resistance values at different points in time.
    • 作为用于喷墨打印机的基于层技术的写入头的加热装置被设置为加热电阻体(15),该加热电阻器直接由导电薄膜弯曲,设置在基板上的空白空间中, 并沉积在基底氧化物上,用于提供热转换器和导体路径(5,6)。 由此通过间隔和组合组合以及导体路径(5,6)的集合来产生空的空间,其中加热电阻器(15)的部分部分嵌入在空的空间中。 加热电阻器(15)是电阻测量桥的一部分,并且同时用作热源,并且作为基于在不同时间点对其电阻值的处理和评估的温度传感器。