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☆What is a Contact image sensor(CIS)?A CIS scanner is a compact line scan camera which is mounted directly above the object under inspection. The CIS consists of a row of silicon photodiodes, a graded index (GRIN) lens array and a light source.☆What can a CIS do?Line scan, used in machine vision system for document processing, PCB inspection, web inspection, metal foil inspection, battery film inspection, cloth inspection, textile and apparel inspection, etc.☆Why CIS?√Although standard line scan cameras produce extremely high resolution images, they require a lens to project the image onto the sensor and need a large headroom to see to entire width of a web. CIS is more compact and simple to mount, working distance only 14.8mm/17.2mm√Simple to adjust, resistant to vibration, no multi camera alignment problems√Constant picture angle over the total reading width√True, uniform image resolution up to 1200DPI√Virtually no image distortions, 1:1 imaging☆Why WHEC?√26-year experience of developing, manufacturing and selling CIS√Two R&D centers in Japan and one R&D center in China√Own factory with clean room, injection molding workshop and mechanic center√Only four-hour transportation to Qingdao Port√Independent overseas dept specially serves overseas customers√Certificated by ISO9001, ISO14001 and ISO10002learn more: http://www.w-hec.com/en/

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  哈尔滨工业大学（威海）

  电子封装