1/4'' Optical Filter 645--0.81mm

No.ItemThicknessθFlatness (NR)1quartz0.81±0.05 day 645 coating45°0°32CCD Sensor:ICX228AK;ICX229AK;ICX279AKSpecification of defect:: Natural of DefectEffective areaInclusion/Bubble/Pit40µmMaxDustCan be blew away is acceptableScratch20µm Max.In width; Invisible after rotatedEdge ChipsMax.0.3mmMemarkInspection environment: With class1000 clean room/class100clean booth and 60W bull lamp and around 15cm to objective with normal net eyes.Durability test: 1)Any defect shall not be found after 500hours at 85; 2)Any defect shall not be found after 500 hours at -20, 3)Any defect shall not be found after 10 cycles of test as follows: -2030minutes +2530 minutes +8530 minutesas 1 cycle. Package: Packing shall be made with a container which is made of a vacuum molded conductive PVC(polyvinyl chloride)and not touch the main surface of optical low pass filter.