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    • 1. 发明授权
    • Microscope support
    • 显微镜支持
    • US4733954A
    • 1988-03-29
    • US869692
    • 1986-06-02
    • Guenter ReinheimerKarl WieberRobert LisfeldWalter Voigt
    • Guenter ReinheimerKarl WieberRobert LisfeldWalter Voigt
    • G02B21/06G02B21/24G02B21/28
    • G02B21/24
    • A microscope support foot (10) includes a central portion (14) and two lateral portions (15, 16), which form receiving chambers (19, 20, 21) by means of separating walls (17, 18) extending as far as a base plate (23). The optical components for an illumination arrangement (28) are disposed in receiving chamber (20) so as to be protected from dust by a seal (25), and the electronic components are disposed in a heat-dissipating manner in the receiving chamber (21), so that the heat-emitting components are in contact with the base plate (23) which is made of heat-dissipating material. This base plate and the lateral portion (16) have ventilation slits (42, 42'). A drive unit (36) for the adjustment of the successviely arranged aperture stop and light field stop (30, 31) is secured in the receiving chamber (19) in such a manner that the adjusting arrangement is accessible from outside and is disposed at a convenient distance from a focussing arrangement (13).
    • 显微镜支撑脚(10)包括中心部分(14)和两个横向部分(15,16),其通过分隔壁(17,18)形成接收室(19,20,21),该分隔壁延伸至 基板(23)。 用于照明装置(28)的光学部件设置在接收室(20)中,以便通过密封件(25)防止灰尘,并且电子部件以散热方式设置在接收室(21)中 ),使得发热部件与由散热材料制成的基板(23)接触。 该基板和横向部分(16)具有通气狭缝(42,42')。 用于调整成功布置的孔径光阑和光场挡块(30,31)的驱动单元(36)被固定在接收室(19)中,使得调节装置可从外部接近并被设置在 距聚焦装置(13)的距离很近。
    • 2. 发明授权
    • Piezoelectric vibration exciter, especially for destructive material
testing
    • 压电式振动激励器,特别适用于破坏性材料试验
    • US4491759A
    • 1985-01-01
    • US582252
    • 1984-02-22
    • Werner KunzWalter Voigt
    • Werner KunzWalter Voigt
    • B06B1/06G01N3/38G01N33/38H01L41/08
    • G01N3/38B06B1/0611G01N2203/0051G01N33/388
    • A piezoelectric vibration exciter for generating mechanical vibrations for the purpose of destructive material or specimen testing has two equally sized disk stacks, each with an even number of piezoceramic disks. A vibration armature serving as a clamping device for the test specimen is arranged between the two disk stacks in a stiff clamping frame having a bail and a base plate. The assembly containing the disk stacks and the vibration armature is clamped in position in the stiff clamping frame. The piezoceramic disks are energized with an AC voltage so that one disk stack will axially contract in phase with the voltage, while the other disk stack will axially expand. As a result, the vibration armature and the test specimen arranged between the disks reciprocate at the frequency of the AC voltage input.
    • 用于产生用于破坏性材料或样品测试的机械振动的压电振动激励器具有两个相等尺寸的磁盘堆叠,每个具有偶数个压电陶瓷盘。 作为用于试样的夹持装置的振动衔铁布置在具有吊环和底板的刚性夹紧框架中的两个盘堆之间。 包含盘堆和振动衔铁的组件被夹紧在刚性夹紧框架中的适当位置。 压电陶瓷盘通过交流电压通电,使得一个盘堆叠将与电压同相轴向收缩,而另一个磁盘堆叠将轴向膨胀。 结果,设置在盘之间的振动衔铁和测试样本以交流电压输入的频率往复运动。