发明授权
- 专利标题： Dielectric Ceramic Material
- 专利标题（中）： 电介质陶瓷材料
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申请号： US10363085申请日： 2001-08-13
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公开(公告)号： US06956001B2公开(公告)日： 2005-10-18
- 发明人: Christian Hoffmann , Helmut Sommariva , Danilo Suvorov , Matjaz Valant
- 申请人： Christian Hoffmann , Helmut Sommariva , Danilo Suvorov , Matjaz Valant
- 申请人地址： DE Munich
- 专利权人： Epcos AG
- 当前专利权人： Epcos AG
- 当前专利权人地址： DE Munich
- 代理机构： Fish & Richardson P.C.
- 优先权： DE10042350 20000829
- 国际申请： PCT/DE01/03100 WO 20010813
- 国际公布： WO02/18294 WO 20020307
- 主分类号： C04B35/00
- IPC分类号： C04B35/00 ; C04B35/495 ; H01B3/12 ; H05K1/03
摘要：
A ceramic material includes at least two different components. Each of the components is present in separate phases. Each of the components has a perovskite structure which contains silver in A positions and niobium or tantalum in B positions. A composition of a first component and a composition of a second component has respective permittivities TKεA and TKεB. In the ceramic material, temperature components of the permittivities TKεA and TKεB have different signs within a temperature interval.
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