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ID:17568305
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页数:28页
时间:2018-09-03
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1、MK10440V1.qxd08.2.260:11PMPage3CCDandCMOSImageSensors:AComprehensiveGuideforProfessionalVideographersMK10440V1.qxd08.2.260:11PMPage4PrefaceAnimagesensoristhedeviceinanelectroniccamerathatconvertstheopticalimagepresentedbythelensintoanelectricalsignal.Sincethelate1960s,whe
2、nthebasicprinciplesofsemiconductorimagesensorswereinvented,varioustypesofimagingdeviceshavebeenproposed.ChargeCoupledDevice(CCD)imagesensorslongdominatedprofessionalandbroadcastcamerasandcamcorders.Recently,ComplementaryMetalOxideSemiconductor(CMOS)imagesensorshavestarted
3、toappearinprofessionalcameras.ThechoiceofCMOSorCCDsensorshassparkedintenseinterestandraisedimportantquestions.WhatisthedifferencebetweenCCDandCMOS?Howdothetwotypesofsensorsoperate?Whattechnologiesdotheyemploy?Howdothetwosensortypescompare?Andwhatarethelikelyprospectsforfu
4、turedevelopment?Astheworld'sleadingmanufacturerofsemiconductorimagesensors–andatechnologyleaderinbothCCDandCMOSsensors–Sonyisinauniquepositiontoanswerthesequestions.Wehopethispaperwilldeepenyourknowledgeofimagesensorsandbecomeausefulresource.MK10440V1.qxd08.2.260:11PMPage
5、5TableofContentsChapter1SonyandImageSensorDevelopment...........41-1SonyandtheCCD......................................41-2SonyandCMOS........................................4Chapter2ImageSensorBasics.........................52-1InsidetheCCDSensor.........................
6、..........62-2InsidetheCMOSSensor.................................82-3Active-pixelCMOSAmplifiers............................92-4CCDAmplifiers.........................................12Chapter3ImageSensorImprovements.................133-1BuriedPhotodiode...................
7、..................133-2HADCMOSImageSensor..............................143-3On-chipMicrolenses...................................153-4ImprovedMicrolenses..................................163-5InternalLenses.........................................173-6ColumnAnalog-to-Digi
8、talConverter...................183-7CorrelatedDoubleSampling...........................203-8Digi
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