亚洲AⅤ与日韩AV在线播放|97色色色视频|精品视频99在线播放|欧美性爱亚洲中文|免费毛片视频网站|亚洲日韩AV片|38AV激情国产|日韩Av在线播放+免费|爱久久视频免费在线观看|亚洲无马视频亚洲AV无无码

Detection&Calibration >> Reference Material >> Minority carrier lifetime Reference Wafer
                

 

    Lifetime Reference Wafer is used to correct the parameters which is used to test the value of Lifetime,and than make it can accurate measure the value of lifetime.

 

    Because the lifetime of surface can decay with time growth,so every Lifetime Reference Wafer has its validity,we must re-Verificate them on time, the Cycle is commonly 5 months.

 

 

?2008-2050 HenergySolar. All rights reserved