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IPC Main Group
C23C 16/00

Chemical coating by decomposition of gaseous compounds, without leaving reaction products of surface material in the coating, i.e. chemical vapour deposition [CVD] processes

Introduced: January 1985

Last revised: January 2006

Classification Context

Section:
CHEMISTRY; METALLURGY
Class:
COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
Subclass:
COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL

Related Keywords

CHEMICAL(S) vapour deposition methods (CVD)COATING with metals by vapour depositionCVD [= chemical vapour deposition]vapour deposition of metalsGAS-PLATINGgas-plating of METAL(S)

7 direct subcodes

Child Classifications

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  • C23C 16/01 on temporary substrates, e.g. on substrates subsequently removed by etching
  • C23C 16/02 Pretreatment of the material to be coated
  • C23C 16/04 Coating on selected surface areas, e.g. using masks
  • C23C 16/56 After-treatment

Top Applicants

Top 10 applicants by patent filingsfor 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