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    • 23. 发明申请
    • CURRENT SENSOR
    • 电流传感器
    • WO2005026749A1
    • 2005-03-24
    • PCT/US2004/009908
    • 2004-03-29
    • ALLEGRO MICROSYSTEMS, INC.DOOGUE, MichaelDICKINSON, RichardGAGNON, Jay
    • DOOGUE, MichaelDICKINSON, RichardGAGNON, Jay
    • G01R15/20
    • G01R15/207G01R15/202H01L2224/48091H01L2224/4826H01L2224/73215H01L2924/181H01L2924/00014H01L2924/00012
    • An integrated circuit current sensor (10) includes a lead frame (12) having at least two leads coupled to provide a current conductor portion (14), and substrate (16) having a first surface in which is disposed one or more magnetic field transducers (18), with the first surface being proximate the current conductor portion and a second surface distal from the current conductor portion. In one particular embodiment, the substrate is disposed having the first surface of the substrate above the current conductor portion and the second surface of the substrate above the first surface. In this particular embodiment, the substrate is oriented upside-down in the integrated circuit relative to a conventional orientation. With this arrangement, a current sensor is provided for which the one or more magnetic field transducers are very close to the current conductor portion, resulting in a current sensor having improved sensitivity.
    • 集成电路电流传感器(10)包括具有耦合以提供电流导体部分(14)的至少两个引线的引线框架(12),以及具有第一表面的基板(16),其中设置有一个或多个磁场换能器 (18),其中第一表面靠近当前导体部分,并且远离电流导体部分的第二表面。 在一个具体实施例中,衬底被布置成具有衬底的第一表面在电流导体部分上方,衬底的第二表面在第一表面之上。 在该特定实施例中,相对于传统的方向,衬底在集成电路中被上下颠倒。 利用这种布置,提供了一个电流传感器,一个或多个磁场换能器非常接近电流导体部分,导致具有改善的灵敏度的电流传感器。
    • 25. 发明申请
    • PORTABLE MICROSCOPE
    • 便携式显微镜
    • WO2004049031A1
    • 2004-06-10
    • PCT/GB2003/005156
    • 2003-11-27
    • DICKINSON, Richard, JohnDUNNING, Keith, James
    • DUNNING, Keith, James
    • G02B21/00
    • G02B21/0008
    • A portable microscope has a disc-shaped casing (1) with a flat face (2) acting as a sample stage. Light (4) from a sample adjacent the stage (2) passes through a viewing port (3) and is reflected by a first mirror (5) into a path parallel to the face (2). It then passes through an objective lens (6), two further mirrors (7, 8), a field lens (9) and an eye lens (10) to an observer's eye, its path being folded into a compact z-shape remaining parallel to the stage (2). The objective lens (6) is moveable along the light path to focus the microscope at a selected height relative to the stage (2). A generally annular light guide (15) is provided, encircling the viewing port (3) within the casing (1), which receives light from a white LED (14) and projects it in a converging cone through the viewing port (3) to illuminate the sample.
    • 便携式显微镜具有带有作为样品台的平面(2)的盘形壳体(1)。 来自与台(2)相邻的样品的光(4)通过观察口(3),并被第一反射镜(5)反射成平行于面(2)的路径。 然后,它通过物镜(6),另外两个镜子(7,8),场透镜(9)和眼睛透镜(10)到观察者的眼睛,其路径折叠成紧密的z形保持平行 到舞台(2)。 物镜(6)可沿光路移动,以将显微镜相对于舞台(2)聚焦在选定的高度。 设置大致环形的光导(15),环绕在壳体(1)内的观察口(3),其从白色LED(14)接收光,并将其投射在会聚锥体中,通过观察口(3)至 照亮样品。