The invention relates to a method for engraving a polymer lens that comprises displacing under a load an abrasive tool on a surface of the lens where said abrasive tool follows a continuous trajectory (1) comprising loops (2). The invention also relates to a method for making a polymer lens comprising the above-mentioned lens engraving step and at least one subsequent step that involves heating up to a temperature higher than the glass transition temperature (Tg) of the polymer of the lens.
申请公布号
WO2008062137(A3)
申请公布日期
2008.09.12
申请号
WO2007FR52375
申请日期
2007.11.21
申请人
ESSILOR INTERNATIONAL (COMPAGNIE GENERALE D'OPTIQUE);HANRIOT, FABIENNE;DE COLIGNY, PIERRE;NAVA RUDIGER, ENRIQUE