IPC Definitions - January 01, 2012
G03F 1/82 - Definition
This group covers:
Subject matter of subgroup G03F 1/68 in which the processes for preparing radiation modifying products and similar or like products include performing operations that are ancillary to the manufacture or the design methods for these products, but which ancillary operations (as auxiliary processes) are not specifically provided for in the previous subgroups (e.g. cleaning or inspecting).
Attention is drawn to the following places, which may be of interest for search:
Cleaning in general | B08B |
Testing of optical apparatus | G01M 11/00 |
Methods or arrangements for reading or recognizing printed or written characters or for recognizing patterns | G06K 9/00 |