专利汇可以提供Thermal head专利检索,专利查询,专利分析的服务。并且PURPOSE: To provide a thermal head of which manufacturing step is simple and the thermal transmission with respect to a thermosensitive paper is made to be smoothly performed by a method wherein a thermal semi-conductor having Peltier effect is used as a heat generating layer of the thermal head.
CONSTITUTION: A base electrode 31 is placed on a ceramic base plate 40, a p-type semi-conductor 32 and an n-type semiconductor 33 are formed, then a metallic electrode 34 is placed thereon, a p-type base plate 35 is formed and the metallic electrode 36 is arranged. The metallic electrode 36 is connected to the metallic wiring to form the circuit elements and further connected to other dots. An insulation film 37 is formed on the metallic electrode 36, a wear resisting protective film 38 is formed to complete on dot. When an electric current flowed from the base electrode 31 is flowed at the contact part between the p-type base plate 35 and the metallic electrode 36, a heat generating action is brought about by Peltier effect and a smooth thermal transmittance to a thermo-sensitive paper 41 may be performed via protection film 38.
COPYRIGHT: (C)1980,JPO&Japio,下面是Thermal head专利的具体信息内容。
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