Holder for blank for e.g. spectacle lens for correction of defective vision of eye, has holder so that holder is divided into holder portions with terminal and supported slug portion with supported slug

摘要

The holder (10) has a base with a support surface for receiving a blank (20) and a mating surface that is provided opposite to the supporting surface. Two terminals (24) are provided on the connection surface. The holder is formed so that the holder is divided into holder portions with terminal and supported slug portion with supported slug. An adhesion-promoting layer is provided for connection between the blank and the support surface. The holder portion is provided with predetermined rotational orientation. An independent claim is included for a method for machining of a blank for spectacle lenses or optical lenses.