专利汇可以提供Elastic surface wave device专利检索,专利查询,专利分析的服务。并且PURPOSE:To prevent noise due to the pyroelectric effect in an elastic surface device containing an elastic surface wave element in a metallic case, by covering the external circumference of the top surface and end surfaces of the elastic surface wave element with conductive materials and by covering the top surface with an insulating material. CONSTITUTION:In metallic case 16, elastic surface wave element 17 is installed and on the top surface of element 17, reed screen type electrodes 18 are provided. The external circumference of the top surface of element 17 and its flanks are covered with conductive material 24, such as Al, by vacuum vapor deposition, sputtering, or the like and the element top surface including electrodes 18 is coated with insulating material 25, such as SiO2, SiO and Si3N4, by vacuum vapor deposition, sputtering, etc., or applied with resin, such as polyimide, by spin coating, etc. Thus, noise due to the discharge caused by the pyroelectric effect is prevented.,下面是Elastic surface wave device专利的具体信息内容。
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