| ReturnTo Theme-Group-Choice | Onelevelup |
| 4K028 | Solid-phase diffusion into metallic material surfaces | |
| C23C8/00 -12/02 | ||
| C23C8/20-8/26;8/30-8/32 | AA | AA00 DIFFUSION |
AA01 | AA02 | AA03 | |||||||
| . Carbon only | . Nitrogen only | . Both carbon and nitrogen | ||||||||||
| AB | AB00 DIFFUSION OF CARBON OR NITROGEN |
AB01 | AB02 | AB03 | AB04 | AB06 | ||||||
| . Specific steel materials | . Non-ferrous materials | . Sintered materials (i.e., excluding cemented materials) | . Cemented materials | . Specific articles | ||||||||
| AC | AC00 PROCESSES AND DEVICES FOR DIFFUSION OF CARBON OR NITROGEN |
AC01 | AC02 | AC03 | AC04 | AC05 | AC07 | AC08 | ||||
| . Treatment by dipping in organic solvents | . Treatment while joining two or more materials | . Treatment in a vacuum (i.e., reduced pressure) | . Treatment by linked furnaces | . Treatment with fluid beds | . Detection and control of processing volume | . Composition and supply or exhaust of atmospheric gas | ||||||
| C23C8/36;8/38 | BA | BA00 NON-METAL DIFFUSION BY IONIZED GAS |
BA01 | BA02 | BA03 | BA04 | BA05 | BA06 | ||||
| . Diffusion | . . Nitrogen (N) | . . Carbon (C) | . . Boron (B) | . . Oxygen (O) | . . Sulfur (S) | |||||||
| BA11 | BA12 | BA13 | BA14 | BA15 | BA16 | |||||||
| . Treated materials | . . Steel | . . Non-ferrous materials | . . . Titanium (Ti) | . . . Aluminum (Al) | . . Cemented materials | |||||||
| BA21 | BA22 | |||||||||||
| . Devices (e.g., variants with drawings pertaining to the devices) | . Limits on the processing volume | |||||||||||
| C23C10/28 | CA | CA00 MATERIALS AND FORMS OF COATING LAYERS |
CA01 | CA02 | CA03 | CA04 | CA05 | CA07 | ||||
| . Coatings for specific materials | . . Aluminum (Al) | . . Zinc (Zn) | . . Chromium (Cr) | . . Silicon (Si) | . Formation of multiple coating layers | |||||||
| CB | CB00 FORMATION MEANS FOR COATING LAYERS |
CB01 | CB02 | CB03 | CB04 | CB05 | CB06 | CB08 | ||||
| . Specific means | . . Plating | . . . Electroplating | . . . Hot-dipping | . . . Thermal spraying | . . . Evaporation | . . Cladding | ||||||
| CC | CC00 MATERIALS WITH COATING LAYERS (I.E., BASE MATERIALS) |
CC01 | CC02 | CC03 | CC04 | CC05 | CC06 | |||||
| . Specific materials | . . Steel | . . Nickel (Ni) | . . Copper (Cu) | . . Aluminum (Al) | . . Titanium (Ti) | |||||||
| CD | CD00 ARTICLES WITH COATING LAYERS |
CD01 | CD02 | CD03 | ||||||||
| . Specific articles | . . Boards and bands | . . Wires and bars | ||||||||||
| CE | CE00 PROCESSES OR DEVICES FOR DIFFUSION OF COATING LAYERS |
CE01 | CE02 | CE06 | ||||||||
| . Limits on the processing volume | . . Diffusion treatment temperatures | . Devices (i.e., drawings pertaining to the devices) |