GLASS SUBSTRATE MANUFACTURING METHOD, GLASS SUBSTRATE POLISHING METHOD, GLASS SUBSTRATE POLISHING APPARATUS AND GLASS SUBSTRATE

摘要

A polishing apparatus, includes: a motor; and a controlling unit configured to control the motor, wherein: a glass substrate is polished by causing the controlling unit to control a driving of the motor; and the controlling unit executes a controlling operation for controlling a polishing of the glass substrate, based on an electric power or an electric energy required for the driving of the motor. Fig. 1A