CPC Subgroup
G03F 1/54 Absorbers, e.g. of opaque materials
Full Title
Originals for photomechanical production of textured or patterned surfaces, e.g., masks, photo-masks, reticles; Mask blanks or pellicles therefor; Containers specially adapted therefor; Preparation thereof > Absorbers, e.g. of opaque materials
2 direct subcodes
Child Classifications
Navigate with arrow keys, Enter to open