IPC Subgroup
G03F 7/26 Processing photosensitive materials; Apparatus therefor
Introduced: January 1980
Last revised: January 2006
Full Title
Photomechanical, e.g. photolithographic, production of textured or patterned surfaces, e.g. printed surfaces; Materials therefor, e.g. comprising photoresists; Apparatus specially adapted therefor > Processing photosensitive materials; Apparatus therefor
Classification Context
- Section:
- PHYSICS
- Class:
- PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- Subclass:
- PHOTOMECHANICAL PRODUCTION OF TEXTURED OR PATTERNED SURFACES, e.g. FOR PRINTING, FOR PROCESSING OF SEMICONDUCTOR DEVICES; MATERIALS THEREFOR; ORIGINALS THEREFOR; APPARATUS SPECIALLY ADAPTED THEREFOR
7 direct subcodes
Child Classifications
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- G03F 7/28 for obtaining powder images
- G03F 7/3 Imagewise removal using liquid means
- G03F 7/34 Imagewise removal by selective transfer, e.g. peeling away
- G03F 7/36 Imagewise removal not covered by groups , e.g. using gas streams, using plasma
- G03F 7/38 Treatment before imagewise removal, e.g. prebaking
- G03F 7/4 Treatment after imagewise removal, e.g. baking
- G03F 7/42 Stripping or agents therefor
Top Applicants
Top 10 applicants by patent filingsfor class G03, 2013–2023, worldwide · Source: EPO PATSTAT
- CANON 31,416
- CANON JP 17,469
- KYOCERA DOCUMENT SOLUTIONS 9,845
- RICOH COMPANY 9,807
- ASML NETHERLANDS NL 9,427
- FUJIFILM JP 7,225
- KONICA MINOLTA CORPORATION 7,216
- FUJI XEROX COMPANY 5,711
- CARL ZEISS SMT DE 4,971
- RICOH COMPANY JP 4,123