电镜光阑光阑又称孔径光阑，主要用于电镜、探针系统和X射线系统。目前较为流行的材料是钽（Tantalum）和铂铱合金（95：5）一、由0.1mm厚度的金属钽膜制成。货号产品名称规格49020-TaWEHNELTAPERTURE,200uHOLE个49030-TaWEHNELTAPERTURE,300uHOLE个49040-TaWEHNELTAPERTURE,400uHOLE个49050-TaWEHNELTAPERTURE,500uHOLE个49075-TaWEHNELTAPERTURE,750uHOLE个49100-TaWEHNELTAPERTURE,1000uHOLE个49020-TaWEHNELTAPERTURE,200uHOLE个二、条状光阑由铂铱合金（95：5）制成东芝(HITACHI)光阑，41.0X4.0X0.1mm，4孔货号产品名称规格49211-01HITACHISTRIPAPERTURE,10-10-20-70um个49211-02HITACHISTRIPAPERTURE,30-20-20-70um个49211-03HITACHISTRIPAPERTURE,70-70-50-50m个49211-04HITACHISTRIPAPERTURE,30-50-70-100um个49211-05HITACHISTRIPAPERTURE,10-50-100-200um个41.0X4.0X0.1mm，4孔货号产品名称规格49212-01HITACHISTRIPAPERTURE,20-20-30-30um个49212-02HITACHSTRIPAPERTURE,30-70-100-200um个49212-03HITACHSTRIPAPERTURE,10-30-50-70um个日本电子(JEOL)光阑9.0X2.35X0.1mm货号产品名称规格49211-01HITACHISTRIPAPERTURE,10-10-20-70um个49211-02HITACHISTRIPAPERTURE,30-20-20-70um个49211-03HITACHISTRIPAPERTURE,70-70-50-50m个49211-04HITACHISTRIPAPERTURE,30-50-70-100um个49211-05HITACHISTRIPAPERTURE,10-50-100-200um个其它型号光阑请致电或EMAIL我们咨询)