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CMOS image sensor fabrication technologies Pixel design ...
LectureNotes5 CMOSI mageSensor DeviceandFabrication CMOS imagesensor fabricationtechnologies Pixeldesignandlayout Imagingperformanceenhancementtechniques Technologyscaling,industrytrends Microlens Color lterarrayEE392B:DeviceandFabrication5-1 ModernCMOSD eviceStructureEE392B:DeviceandFabricatio n5-2 ImagingIs Di erentfromDigitalLogicFeaturesDigitalLogi cImagingSilicideImprovescontactresistanc eAbsorbslight{ low photosensitivityIncreasedjunctionleakage STIE nablestighterdesignrulesLeadsto largerdark currentduetodefectsfromstressShallow junctionReducesshort-channele ectReducesquantume ciencyformediumto longwavelengthlightLower power supplyvoltageReducespower consumption,enablesdevicescalingReducesh eadroomfor signalswingLower thresholdvoltageImprovesdrivecurrentIncr easessubthresholdleakageThingateoxideEna blesdevicescalingtoshorterchannellengthI ncreasesgateleakageMultiplelevelsof interconnectImproveswire-abilityIncrease sdistancefrommicrolensorcolor lterto photodetectorEE392B.}
Lecture Notes 5 CMOS Image Sensor Device and Fabrication CMOS image sensor fabrication technologies Pixel design and layout Imaging performance enhancement techniques
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