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    • 44. 发明申请
    • MICROELECTRONIC SENSOR DEVICE WITH A MODULATED LIGHT SOURCE
    • 具有调制光源的微电子传感器装置
    • US20100165345A1
    • 2010-07-01
    • US12670148
    • 2008-07-17
    • Dominique Maria BrulsJohannes Joseph Hubertina Barbara Schleipen
    • Dominique Maria BrulsJohannes Joseph Hubertina Barbara Schleipen
    • G01N21/59
    • G01N21/552G01N21/648G01N27/745G01N2201/064G01N2201/0691G01N2201/0696
    • The invention relates to a microelectronic sensor device and a method for making optical examinations at a carrier (11), e.g. for the detection of magnetic particles (1) at a contact surface (12) of the carrier (11) by frustrated total internal reflection (FTIR). A light source (21), particularly a laser light source, with a laser modulator (22) are used for emitting an input light beam (L1) into the carrier (11) which is modulated such that optical interferences with reflections (L1′) of the input light beam (L1) from the entrance window (14) or other components of the carrier (11) are reduced/minimized. This can for example be achieved by a pulsed on/off modulation in which the first relaxation minimum of a currently emitted pulse (PN) coincides in the light source (21) with the first relaxation maximum of a reflected pulse (PN-1′). By reducing the effect of interferences, the setup is less prone to disturbances from dimensional variations that are e.g. induced by thermal extension.
    • 本发明涉及一种微电子传感器装置和一种用于在载体(11)上进行光学检查的方法。 用于通过沮丧的全内反射(FTIR)检测载体(11)的接触表面(12)处的磁性颗粒(1)。 使用具有激光调制器(22)的光源(21),特别是具有激光光源的光源(21)将输入光束(L1)发射到被调制的载波(11)中,使得与反射(L1')的光学干涉 (14)的输入光束(L1)或载体(11)的其他部件的距离减小/最小化。 这可以例如通过脉冲开/关调制实现,其中当前发射的脉冲(PN)的第一弛豫最小值与光源(21)中的第一弛豫最小值与反射脉冲(PN-1')的第一弛豫最大值一致, 。 通过减少干扰的影响,该装置不容易受到尺寸变化的干扰。 由热延伸引起。
    • 46. 发明授权
    • Optical scanning device
    • 光学扫描装置
    • US07209413B2
    • 2007-04-24
    • US10521658
    • 2003-07-02
    • Michael Adrianus Henricus Van DerGerardus Lucien Mathildus JansenGerard Johannes Pieter NijsseJohannes Joseph Hubertina Barbara SchleipenAukje Arianne Annette KastelijnFrank Cornelis PenningWillem Gerard Ophey
    • Michael Adrianus Henricus Van DerGerardus Lucien Mathildus JansenGerard Johannes Pieter NijsseJohannes Joseph Hubertina Barbara SchleipenAukje Arianne Annette KastelijnFrank Cornelis PenningWillem Gerard Ophey
    • G11B7/00
    • G11B7/1359G02B26/108G11B7/08576G11B7/1362G11B7/1398
    • An optical scanning device for scanning an information layer of an optical record carrier and including a rotary aim (2; 102; 202; 302; 402; 502) which is arranged to swing about a rotation axis (CR) to alter an angular position of the rotary arm about the rotation axis; a detector arrangement (10) arranged separate from the rotary arm (2; 102; 202; 302; 402; 502) for detecting a radiation beam spot, the radiation beam spot (40; 140; 240; 340; 440; 540) having an angular disposition; a first reflective surface (4; 104; 204; 304; 404; 504) attached to the rotary arm (2; 102; 202; 302; 402; 502); a second reflective surface (6; 106; 206; 306; 406; 506) attached to the rotary arm (2; 102; 302; 402; 502); a first light path (LP 1; LP 1 O 1; LP201; LP301; LP401; LP501; running from a location on the record carrier to said first reflective surface; a second light path (LP2; LP102; LP202; LP302; LP402; LP502) running from said first reflective surface to said second reflective surface; a third light path (LP3; LP103; LP203; LP303; LP403; LP503) running from said second reflective surface to said detector arrangement (10). The rotary arm includes at least one optical inversion element (52; 54; 56; 58; 64; 66) arranged such that a dependence between variation of the angular disposition of the radiation beam spot and variation of the angular position of the rotary arm is reduced.
    • 一种用于扫描光学记录载体的信息层并包括旋转瞄准镜(2; 102; 202; 302; 402; 502)的光学扫描装置,其被设置成围绕旋转轴线(CR)摆动以改变角度位置 旋转臂围绕旋转轴线; 与所述旋转臂(2; 102; 202; 302; 402; 502)分开布置的用于检测辐射束点的检测器装置(10),所述辐射束点(40; 140; 240; 340; 440; 540)具有 角度配置; 附接到旋转臂(2; 102; 202; 302; 402; 502)的第一反射表面(4; 104; 204; 304; 404; 504) 附接到旋转臂(2; 102; 302; 402; 502)的第二反射表面(6; 106; 206; 306; 406; 506) 第一光路(LP 1; LP 1 O 1; LP 201; LP 301; LP 401; LP 501;从记录载体上的位置运行到所述第一反射表面;第二光路(LP 2; LP 102; LP 202; LP 302; LP 402; LP 502),从所述第一反射表面延伸到所述第二反射表面;第三光路(LP 3; LP 103; LP 203; LP 303; LP 403; LP 503) 所述旋转臂包括至少一个光学反转元件(52; 54; 56; 58; 64; 66),所述至少一个光学反转元件被布置成使得所述辐射束光斑的角度配置的变化之间的相关性 并且减小了旋转臂的角位置的变化。