G03F 7/26 Processing photosensitive materials; Apparatus therefor (G03F7/12 - G03F7/24 take precedence)
Introduced: January 1980
Title
Titles differ between systems:
IPC: Processing photosensitive materials; Apparatus therefor
CPC: Processing photosensitive materials; Apparatus therefor (G03F7/12 - G03F7/24 take precedence)
Full Title
Full titles differ between systems:
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
Photomechanical, e.g. photolithographic, production of textured or patterned surfaces, e.g. printing surfaces; Materials therefor, e.g. comprising photoresists; Apparatus specially adapted therefor (using photoresist structures for special production processes, see the relevant places, e.g. B44C, H10P76/00, H05K) > Processing photosensitive materials; Apparatus therefor (G03F7/12 - G03F7/24 take precedence)
Of 8 combined children, 7 exist in both systems.
1 codes are CPC-only extensions.
2 shared codes have differing titles between IPC and CPC.
IPC defines codes here since 1990.
Child Classifications
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- G03F 7/28 for obtaining powder images (G03F3/10 takes precedence) since 1990 IPC+CPC Available in IPC and CPC
- G03F 7/34 Imagewise removal by selective transfer, e.g. peeling away since 1990 +2 CPC IPC+CPC Available in IPC and CPC
- G03F 7/36 Imagewise removal not covered by groups G03F7/30 - G03F7/34, e.g. using gas streams, using plasma since 1990 IPC+CPC Available in IPC and CPC
- G03F 7/38 Treatment before imagewise removal, e.g. prebaking since 1990 IPC+CPC Available in IPC and CPC
- G03F 7/40 Treatment after imagewise removal, e.g. baking since 1990 +1 CPC IPC+CPC Available in IPC and CPC
Top Applicants
Top Applicants (IPC)
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
Top Applicants (CPC)
Class G03,2013–2023, worldwide · Source: EPO PATSTAT
- CANON JP 19,215
- CANON 12,916
- ASML NETHERLANDS NL 10,000
- FUJIFILM JP 7,814
- SAMSUNG ELECTRONICS COMPANY KR 5,181
- CARL ZEISS SMT DE 5,079
- RICOH COMPANY JP 4,343
- LG INNOTEK COMPANY KR 4,054
- KYOCERA DOCUMENT SOLUTIONS 3,812
- KYOCERA DOCUMENT SOLUTIONS JP 3,682