首页>
外国专利>
New piezoelectric ceramic material, especially for narrow band filters, comprises a lead-strontium zirconate-titanate-manganate-nio bate main component and silica and alumina subsidiary components
New piezoelectric ceramic material, especially for narrow band filters, comprises a lead-strontium zirconate-titanate-manganate-nio bate main component and silica and alumina subsidiary components
Piezoelectric ceramic material comprises a lead-strontium zirconate-titanate-manganate-niobate main component of specified composition and silica and alumina subsidiary components. A novel piezoelectric ceramic material comprises a main component of formula (PbaSrb)(ZrcTidMneNbf)O3, where a = 0.93 to 1.01, b = 0.01 to 0.04, c = 0.37 to 0.47, d = 0.48 to 0.58, e = 0.0105 to 0.06, f = 0.02 to 0.06 and 2e/f = 1.05 to 2, as well as 0.03-0.1 weight % SiO2 and 0.003-0.1 weight % Al2O3 as subsidiary components. An INDEPENDENT CLAIM is also included for a sintered piezoelectric ceramic body, obtained by firing the above piezoelectric ceramic material in an oxygen atmosphere.
展开▼
机译：压电陶瓷材料包括特定组成的锆酸铅锶钛酸盐锰酸铌铌主成分以及二氧化硅和氧化铝辅助成分。一种新型压电陶瓷材料，其主要化学式为（PbaSrb）（ZrcTidMneNbf）O3，其中a = 0.93至1.01，b = 0.01至0.04，c = 0.37至0.47，d = 0.48至0.58，e = 0.0105至0.06， f ＝ 0.02至0.06和2e / f ＝ 1.05至2，以及0.03-0.1重量％的SiO 2和0.003-0.1重量％的Al 2 O 3作为辅助组分。通过在氧气气氛中烧结上述压电陶瓷材料而获得的压电陶瓷烧结体也包括独立权利要求。
展开▼
