PROCEDE POUR LA FABRICATION DE COMPOSANT SEMI-CONDUCTEUR EN CERAMIQUE

The invention relates to the field of electrical engineering/electronics and can be used for fabricating components on the basis of semiconducting ceramic compositions, such as thermistors and voltage-dependent resistors. The purpose of the invention is the fabrication of components having good electrical parameters, especially for the fabrication of ZnO varistors having very low threshold voltages. The object of the invention is to carry out a process for fabricating ceramic semiconductor components, which involves the use of macroelements consisting of a metal-oxidic base material, in such a way that extensive precipitations are avoided. The object is achieved according to the invention by placing a ceramic composition, which contains from 80 to 99.5 mol % of the metal-oxidic base material, between dense base material macroelements or between such a macroelement and a different electroconductive element as an interlayer and then carrying out a thermal treatment for the purpose of liquid-phase sintering between said elements. A.PROCEDE POUR LA FABRICATION DE COMPOSANT SEMI-CONDUCTEUR EN CERAMIQUE.B.PROCEDE CARACTERISE EN CE QU'UNE MASSE CERAMIQUE, QUI CONTIENT 80 A 99,5 MOLAIRE DU MATERIAU DE BASE OXYDE METALLIQUE, EST DISPOSEE COMME COUCHE INTERMEDIAIRE ENTRE DES MACRO-ELEMENTS-MATERIAU DE BASE COMPACTES, OU ENTRE DES MACRO-ELEMENTS-MATERIAU DE BASE ET UN AUTRE ELEMENT CONDUCTEUR ELECTRIQUE, ET QU'ENSUITE ELLE EST SOUMISE A UN TRAITEMENT THERMIQUE EN VUE D'UN FRITTAGE EN PHASE LIQUIDE ENTRE LES ELEMENTS MENTIONNES.C.INVENTION APPLICABLE A LA FABRICATION DE COMPOSANTS SEMI-CONDUCTEURS CERAMIQUES DANS LESQUELS ON UTILISE DES MACROELEMENTS A BASE D'OXYDES METALLIQUES.