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39results about How to "Reduce the amount of reflected light" patented technology

Automatic testing method of injection molding workpiece and inspection system thereof

InactiveCN101412025AReduce the amount of reflected lightTo achieve the purpose of automatic inspectionSortingEngineeringAutomatic testing
The invention provides an automatic checking method for an injection molded work piece, which comprises the following steps: using a transporter to transport an injection molded work piece to be checked to a check area; using a light source to project rays to the surface of the injection molded work piece in the check area, and using an image sensing device to sense quantity of light reflected back from the surface of the injection molded work piece; making the light source and the image sensing device rotate relative to the injection molded workpiece; using a processor to receive and judge whether reflected light quantity information sensed by the image sensing device is within a qualified range, so as to judge whether the injection molded work piece has poor injection molded defect; if yes, using a poor work piece removing device first to remove the injection molded work piece which has the poor injection molded defect, and then using the transporter to continuously transport the next injection molded work piece to be checked; if not, making the injection molded work piece passing the check enter a finished product station, and making the transporter continuously transport the next injection molded work piece to be checked.
Owner:HONG FU JIN PRECISION IND (SHENZHEN) CO LTD +1

Silver-plated mirror and preparation method thereof

The invention discloses a silver-plated mirror and a preparation method thereof. The silver-plated mirror comprises a transparent substrate photochromic base material, wherein a nanometer anti-reflecting layer is formed by etching of the upper surface of the transparent substrate photochromic base material, a silver mirror layer is formed by chemical silvering of the lower surface of the transparent substrate photochromic base material, and a paint coating coats the silver mirror layer. When the silver-plated mirror prepared by the invention is used under strong light, the light incidence amount and the light reflection amount of the silver mirror layer are reduced, and the dazzling phenomenon is prevented; when the silver-plated mirror is used under dark light, the optical effect is closeto that of a common mirror, the Fresnel reflection is remarkably reduced, so that the viewing angle of the mirror surface is wider, and the influence of reflection shadow on optical performance is avoided. A preparation step of the nanometer anti-reflecting layer not only can prevent Fresnel reflection but also can properly coarsen the lower surface of the base material before the second silver plating, the adhesion of the silver mirror layer on the lower surface is improved, and the peeling phenomenon of a silver coating is prevented.
Owner:安徽大河镜业有限公司
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