agfa cr系统影像伪影及解决对策（Image artifact of AGFA CR system and Its Countermeasures）.docVIP

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agfa cr系统影像伪影及解决对策（Image artifact of AGFA CR system and Its Countermeasures）.doc

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agfa cr系统影像伪影及解决对策（Image artifact of AGFA CR system and Its Countermeasures）

agfa cr系统影像伪影及解决对策（Image artifact of AGFA CR system and Its Countermeasures） AGFA CR image artifacts and solutions (2007-01-14 23:55:29) Reprint: classification of equipment maintenance 1 times: before and after image overlap artifacts (except operation repeated failure): before and after the two images in the same image. After careful observation found that the first image was significantly lower than the overall density after a great impact on the diagnosis. The emergence of such artifacts and unit time light blanking lamp power, the brightness. The light AGFA CR number scanner in blanking lamp number for 10 pieces, each power is 100W, the total power is 1KW. With the IP plate flow increases, light work for a long time, the luminescent properties will decrease, resulting in residual image intensification. In addition, the external power supply voltage instability, blanking lamp power control board and fault lamp also can cause poor contact the previous image sticking phenomenon intensified. 2:IP board: AGFA CR cracking artifact system scanner with curved channel, while the IP plate is soft board flexible sucker, repeated adsorption and bend through mutual friction, easy to cause the crack produce. Began to appear on the edge of the IP board, the image showed line of high density stripe cluster distribution, will be to the central part of the extension board. Seriously affect the quality of diagnosis, must replace IP. The artifacts of 3:IP plate scanning: card caused by power lines, PMT (light guide) angle and side guide plate changes and the number of scanner machine level misalignment are caused by IPJam (card) fault. Effect of normal scan order, and interrupt the scanning process. IP is located on the left side plate below the gate part often stay in the PMT system. This will remove the IP board, back in a cassette, re marking and scanning. Can be found in the overall image density uneven distribution of image had been cut, which can display the obvious boundary