简介:Asphericalmaskforthefabricationofmicrolensarrayswaspreparedbymelt-ingphotoresist,andthesphericalphotoresistshapewastransferredintoasiliconsubstrateusingionbeammilling.TheionbeammillingprocesswascomputersimulatedusingtheSig-mundionbeamsputteringtheoryofcollisioncascades.Theexperimentresultsshowthatmi-crolensarrayscanbeeffectivelyformedatlowsubstratetemperatureoflessthan200℃,Shapesanddimensionsofphotoesistmasksandsiliconmicrolensarrayswereexaminedbythescanningelectronmicroscopeandtestedbythesurfacestylusmeasurement.