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DIFF Subgroup
C23C 14/32

by explosion; by evaporation and subsequent ionisation of the vapours (C23C14/34 - C23C14/48 take precedence)

Introduced: January 1985

Title

Titles differ between systems:

IPC: by explosion; by evaporation and subsequent ionisation of the vapours

CPC: by explosion; by evaporation and subsequent ionisation of the vapours (C23C14/34 - C23C14/48 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 process of coating > Vacuum evaporation > by explosion; by evaporation and subsequent ionisation of the vapours

CPC:

Coating by vacuum evaporation, by sputtering or by ion implantation of the coating forming material > characterised by the process of coating > Vacuum evaporation > by explosion; by evaporation and subsequent ionisation of the vapours (C23C14/34 - C23C14/48 take precedence)

Of 1 combined children, 0 exist in both systems.

1 codes are CPC-only extensions.

Child Classifications

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Top Applicants

Top Applicants (IPC)

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

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

Top Applicants (CPC)

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

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