▎ 摘　　要

NOVELTY - The utility model claims a fast radiating type ceramic substrate, comprising a ceramic main body, an upper circuit layer and a lower circuit layer; the upper and lower surface of the ceramic main body is formed with a through hole, the through hole is filled with metal to form a conductive column; the upper circuit layer and the lower circuit layer are respectively arranged on the upper and lower surfaces of the ceramic main body and are respectively connected with the upper and lower ends of the conducting column; The ceramic main body comprises a lower ceramic base layer and an upper ceramic base layer, the upper ceramic base layer and the lower ceramic base layer are overlapped and fixed together and formed with a radiating water cavity, a water inlet flow passage and a water outlet flow passage. the ceramic base layer and the lower ceramic base layer are overlapped and fixed together to form a radiating water cavity, the water inlet flow passage and the water outlet flow passage, the water can be introduced for radiating, the water cooling radiating is realized, graphene the coating is matched with the coating, a heat conducting layer and a heat conducting column, it effectively improves the radiating efficiency, the radiating effect is very ideal, the radiating requirement of the large power electronic device is completely satisfy