公开(公告)号：US20020155619A1

公开(公告)日：2002-10-24

申请号：US10126629

申请日：2002-04-22

Applicant: TOSOH CORPORATION

Inventor： Yoshifumi Kurihara ,  Toshinori Hayashi ,  Juichi Saitoh ,  Takahiko Ishiguro

IPC: G01N021/76

CPC classification number: G01N21/6452 ,  G01N2201/0642 ,  Y10T436/25 ,  Y10T436/2575

Abstract: A method for detecting fluorescence from a liquid sample housed in a transparent or translucent sample container includes providing a sample container in a sample holder, which is opaque except for a sample container introduction opening and incoming and outgoing openings for excitation light; layering a liquid sample and a shielding liquid unmixable therewith to prevent external light from entering through the sample container introduction opening; introducing excitation light from such a direction that the excitation light can irradiate the liquid sample before irradiating the shielding liquid; and detecting fluorescence, which emits in a direction of avoiding absorption by the shielding liquid.

Abstract translation: 用于检测容纳在透明或半透明样品容器中的液体样品的荧光的方法包括：将样品容器放置在样品保持器中，样品容器除了样品容器引入开口和用于激发光的入射和出射开口外是不透明的; 层叠液体样品和与其不可混合的屏蔽液体，以防止外部光线通过样品容器引入口; 在照射所述屏蔽液体之前，从所述激发光可以照射所述液体样品的方向引入激发光; 并检测荧光，其沿避开被屏蔽液体吸收的方向发射。

公开(公告)号：US5181082A

公开(公告)日：1993-01-19

申请号：US514061

申请日：1990-04-24

Applicant: Anthony C. Jeannotte ,  Anthony C. Gilby ,  M. Charles Cheney ,  Barry J. Meneghelli

Inventor： Anthony C. Jeannotte ,  Anthony C. Gilby ,  M. Charles Cheney ,  Barry J. Meneghelli

IPC: G01N21/27 ,  G01N21/05 ,  G01N21/77 ,  G01N21/83 ,  G01N21/85 ,  G01N31/16

CPC classification number: G01N21/83 ,  G01N21/8507 ,  G01N2021/054 ,  G01N2021/1744 ,  G01N2201/064 ,  G01N2201/0642 ,  G01N2201/08 ,  G01N2201/084

Abstract: Radiant energy is transmitted to a probe element including an interior conical reflecting surface and a fluid sample chamber. Portions of the light which have been transmitted, partially attenuated, or scattered by a fluid sample in the sample chamber are directed by at least a portion of the interior conical reflecting surface to means for collecting the transmitted, partially attenuated, or scattered light. A stilling valve incorporated into the probe element enables elimination of entrained gas bubbles from the chamber. A specific application of the probe is disclosed in which a titration analyzer is combined with electro-optic signal conversion and processing circuits and a probe according to the invention to provide titration colorimetric endpoint determination in measuring the free fatty acid content of a fluid such as a edible oil or fat.

Abstract translation: 辐射能量传递到包括内部锥形反射表面和流体样品室的探针元件。 通过样品室中的流体样品透射，部分衰减或散射的光的部分由内部锥形反射表面的至少一部分引导到用于收集透射的，部分衰减的或散射的光的装置。 结合到探针元件中的静止阀能够消除来自腔室的夹带的气泡。 公开了探针的具体应用，其中滴定分析仪与电光信号转换和处理电路组合，根据本发明的探针结合以提供滴定比色终点测定，以测量流体的游离脂肪酸含量，例如 食用油或脂肪。

公开(公告)号：US5089941A

公开(公告)日：1992-02-18

申请号：US579004

申请日：1990-09-06

Applicant: Robert F. Howarth

Inventor： Robert F. Howarth

IPC: G01J1/08

CPC classification number: G01J1/08 ,  G01N2201/0642

Abstract: A flux containment device entraps an unneeded portion of the radiated ene emitted by a reference source lamp so that a determinable amount of radiation is projected to electro-optical sensors for calibration purposes. A double-walled, concentric can-shaped enclosure, provided with a nonreflective coating on its inside surfaces, has an aligned calibration optical axis aperture for projecting the determinable amount of radiation and a diametrically opposed light trap opening to accommodate a light trap that eliminates unwanted reflections. The double walls are held apart by nonconductive spacers to avoid unwanted heat transfer. A fan forces cooling air through an appropriately located vent hole in the can-shaped enclosure to avoid direct impingement on the lamp. One end of the can-shaped enclosure is provided with a disc-shaped baffle having appropriate spacing and openings to permit the flow of cooling air from the fan and the opposite end is appropriately shaped to accommodate a mounting surface, such as, for example, a lathe bed bench structure.

Abstract translation: 通量容纳装置捕获由参考源灯发射的辐射能量的不必要部分，使得将可确定量的辐射投影到电光传感器用于校准目的。 具有在其内表面上具有非反射涂层的双壁同心的罐形外壳具有对准的校准光轴孔径，用于投射可确定量的辐射和径向相对的光阱开口，以适应光阱，从而消除不必要的 反思。 双壁通过非导电间隔物分开，以避免不必要的热传递。 风扇迫使冷却空气通过适当位于罐形外壳中的通气孔，以避免直接照射在灯上。 罐形外壳的一端设置有具有适当间隔和开口的盘形挡板，以允许来自风扇的冷却空气流动，相对端适当地成形以适应安装表面，例如， 车床床架结构。

公开(公告)号：US4568835A

公开(公告)日：1986-02-04

申请号：US438468

申请日：1982-11-02

Applicant: Kazunori Imamura ,  Akikazu Tanimoto ,  Nobutoshi Abe

Inventor： Kazunori Imamura ,  Akikazu Tanimoto ,  Nobutoshi Abe

IPC: G03B27/32 ,  G01N21/88 ,  G01N21/94 ,  G01N21/956 ,  H01L21/027 ,  H01L21/66

CPC classification number: G01N21/94 ,  G01N21/956 ,  G01N2201/0642 ,  G01N2201/104

Abstract: An apparatus for detecting foreign matter present on a planar substrate comprises apparatus for scanning the surface of the substrate with an oblique incident light beam, apparatus for photo-electrically detecting the scattered light generator in the trajectory of the light beam scanning on the substrate, and apparatus for eliminating stray light unnecessary for the foreign matter detection.

Abstract translation: 用于检测存在于平面基板上的异物的装置包括：用斜入射光束扫描基板的表面的装置，用于在基板上的光束扫描的轨迹中对散射光发生器进行光电检测的装置;以及 用于消除异物检测所不需要的杂散光的装置。

公开(公告)号：US3718399A

公开(公告)日：1973-02-27

申请号：US3718399D

申请日：1971-06-29

Applicant: KALMAN G

Inventor： KALMAN G

IPC: G01N21/47 ,  G01N21/48 ,  G01J3/42 ,  G01J3/46

CPC classification number: G01N21/474 ,  G01N2201/0642

Abstract: A distance compensated reflectance sensor is presented having a hand held sensing unit for sensing reflectance from surfaces to be measured and generating a signal thereof to be delivered to a main unit where the signal is compared with preset standards or limits for generation of a warning signal if the measured reflectance departs from desired values. The hand held sensor element has a light source, a detector element, and a baffle structure. The baffle provides a partial overlap of the illuminated field and the viewing field, to provide for automatic compensation in the event of the deviation in distance between the surface being examined and the detector element. The source, the detector, and the baffle are arranged so that all direct and directly reflected light are blocked from the detector, i.e., the detector sees only scattered light.

Abstract translation: 具有距离补偿反射率传感器具有用于感测要测量的表面的反射率的手持式感测单元，并产生其信号被传送到主单元，其中信号与预设标准或警告信号的产生限制进行比较 所测量的反射率偏离所需值。 手持传感器元件具有光源，检测器元件和挡板结构。 挡板提供照明场和视场的部分重叠，以便在被检测表面与检测器元件之间的距离偏差的情况下提供自动补偿。 源极，检测器和挡板被布置成使得所有直接和直接反射的光被从检测器阻挡，即检测器仅看到散射光。