the production of articles or coatings from inorganic, non-metallic ceramic materials, the articles or coating being made permanent and suitable for its intended use by the action of heat at temperatures sufficient to cause sintering, solid state reactions, bonding, or by whole or partial conversion to the glassy state (see: glassy state), protsessid toodete või pinnete keraamilistest materjalidest valmistamisel kõrgeid temperatuure, käivitamaks tardfaasilised tugevdusprotsessid või klaasja oleku teke, rakendades (vt klaasjas olek)