characterised by the coating material ( , C23C14/04 take precedence)

Introduced: January 1985

Title

Titles differ between systems:

IPC: characterised by the coating material

CPC: characterised by the coating material ( , C23C14/04 take precedence)

Full Title

Full titles differ between systems:

IPC:

Coating by vacuum evaporation, by sputtering or by ion implantation of the coating forming material > characterised by the coating material

CPC:

Coating by vacuum evaporation, by sputtering or by ion implantation of the coating forming material > characterised by the coating material ( , C23C14/04 take precedence)

CPC subdivides this area 4x more granularly than IPC with 11 additional codes.

11 codes are CPC-only extensions.

1 shared codes have differing titles between IPC and CPC.

IPC defines codes here since 1985.

Child Classifications

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C23C 14/0605 +1 CPC CPC only CPC only
C23C 14/0617 CPC only CPC only
C23C 14/0623 +1 CPC CPC only CPC only
C23C 14/0635 CPC only CPC only
C23C 14/0641 +3 CPC CPC only CPC only
C23C 14/0664 CPC only CPC only
C23C 14/067 CPC only CPC only
C23C 14/0676 CPC only CPC only
C23C 14/0682 CPC only CPC only
C23C 14/0688 CPC only CPC only
C23C 14/0694 CPC only CPC only
C23C 14/08 Oxides (C23C14/10 takes precedence) since 1985 +7 CPC IPC+CPC Available in IPC and CPC
C23C 14/10 Glass or silica since 1985 IPC+CPC Available in IPC and CPC
C23C 14/12 Organic material since 1985 IPC+CPC Available in IPC and CPC
C23C 14/14 Metallic material, boron or silicon since 1985 IPC+CPC Available in IPC and CPC

Top Applicants

Top Applicants (IPC)

Class C23,2013–2023, worldwide · Source: EPO PATSTAT

APPLIED MATERIALS US 8,096
TOKYO ELECTRON JP 3,985
CHINESE ACADEMY OF SCIENCES 2,842
LAM RESEARCH CORPORATION US 2,654
TOKYO ELECTRON 2,540
NIPPON STEEL CORPORATION JP 2,465
JFE STEEL JP 2,368
ASM IP HOLDING NL 2,092
APPLIED MATERIALS 1,877
POSCO (POHANG IRON AND STEEL COMPANY) KR 1,782

Top Applicants (CPC)

Class C23,2013–2023, worldwide · Source: EPO PATSTAT

APPLIED MATERIALS US 10,596
TOKYO ELECTRON JP 5,229
LAM RESEARCH CORPORATION US 3,622
NIPPON STEEL CORPORATION JP 3,171
JFE STEEL JP 3,128
ASM IP HOLDING NL 2,722
ARCELORMITTAL LU 2,481
TOKYO ELECTRON 2,359
APPLIED MATERIALS 2,284
CHINESE ACADEMY OF SCIENCES 2,110