CPC Subgroup
G03F 1/72 Repair or correction of mask defects
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 > Preparation processes not covered by groups G03F1/20 - G03F1/50 > Repair or correction of mask defects
1 direct subcode
Child Classifications
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- G03F 1/74 by charged particle beam [CPB], e.g. focused ion beam