Title:
CERAMIC MATERIAL, METHOD FOR THE PRODUCTION OF THE CERAMIC MATERIAL AND COMPONENT COMPRISING THE CERAMIC MATERIAL
Document Type and Number:
WIPO Patent Application WO/2009/133194
Kind Code:
A3
Abstract:
The invention relates to a ceramic binary material and to a method for the production thereof. The material has piezo-electric properties and a composition of the formula (1-X) (Bi0-5Na0.5TiO3)X(K0-5Na0.5NbO3) with 0 < x ≤ 0.15. The invention further relates to a component comprising said material.
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Inventors:
KOUNGA NJIWA ALAIN BRICE (AT)
ZHANG SHAN-TAO (CN)
ROEDEL JUERGEN (DE)
JO WOOK (DE)
GRANZOW TORSTEN (DE)
ZHANG SHAN-TAO (CN)
ROEDEL JUERGEN (DE)
JO WOOK (DE)
GRANZOW TORSTEN (DE)
Application Number:
PCT/EP2009/055310
Publication Date:
June 24, 2010
Filing Date:
April 30, 2009
Export Citation:
Assignee:
EPCOS AG (DE)
KOUNGA NJIWA ALAIN BRICE (AT)
ZHANG SHAN-TAO (CN)
ROEDEL JUERGEN (DE)
JO WOOK (DE)
GRANZOW TORSTEN (DE)
KOUNGA NJIWA ALAIN BRICE (AT)
ZHANG SHAN-TAO (CN)
ROEDEL JUERGEN (DE)
JO WOOK (DE)
GRANZOW TORSTEN (DE)
International Classes:
C04B35/462; C04B35/475; C04B35/626; H01L41/187; H01L41/22; H01L41/39; H01L41/43
Foreign References:
| US6004474A | 1999-12-21 |
Other References:
YUE-MING LI ET AL: "Dielectric and Piezoelectric Properties of Na0.5Bi0.5TiO3-K0.5Bi0.5Ti O3-NaNbO3Lead-Free Ceramics", JOURNAL OF ELECTROCERAMICS, KLUWER ACADEMIC PUBLISHERS, BO, vol. 14, no. 1, 1 January 2005 (2005-01-01), pages 53 - 58, XP019208265, ISSN: 1573-8663
YING YUAN ET AL: "Dielectric and piezoelectric properties of (0.97-x) Bi1/2Na1/2TiO3-xBi1/2K1/2TiO3-0.03NaNbO3 ceramics", JOURNAL OF MATERIALS SCIENCE, KLUWER ACADEMIC PUBLISHERS, BO, vol. 41, no. 11, 12 April 2006 (2006-04-12), pages 3561 - 3567, XP019398986, ISSN: 1573-4803
GUIFEN FAN ET AL: "Phase transition behaviour and electromechanical properties of (Na1/2Bi1/2)TiO3â KNbO3 lead-free piezoelectric ceramics", JOURNAL OF PHYSICS D. APPLIED PHYSICS, IOP PUBLISHING, BRISTOL, GB, vol. 41, no. 3, 7 February 2008 (2008-02-07), pages 35403, XP020127018, ISSN: 0022-3727
JOURNAL OF THE AMERICAN CERAMIC SOCIETY AUGUST 2007 BLACKWELL PUBLISHING INC.; COMMERCE PLACE US, vol. 90, no. 8, August 2007 (2007-08-01), pages 2424 - 2428, XP002569013
YING YUAN ET AL: "Dielectric and piezoelectric properties of (0.97-x) Bi1/2Na1/2TiO3-xBi1/2K1/2TiO3-0.03NaNbO3 ceramics", JOURNAL OF MATERIALS SCIENCE, KLUWER ACADEMIC PUBLISHERS, BO, vol. 41, no. 11, 12 April 2006 (2006-04-12), pages 3561 - 3567, XP019398986, ISSN: 1573-4803
GUIFEN FAN ET AL: "Phase transition behaviour and electromechanical properties of (Na1/2Bi1/2)TiO3â KNbO3 lead-free piezoelectric ceramics", JOURNAL OF PHYSICS D. APPLIED PHYSICS, IOP PUBLISHING, BRISTOL, GB, vol. 41, no. 3, 7 February 2008 (2008-02-07), pages 35403, XP020127018, ISSN: 0022-3727
JOURNAL OF THE AMERICAN CERAMIC SOCIETY AUGUST 2007 BLACKWELL PUBLISHING INC.; COMMERCE PLACE US, vol. 90, no. 8, August 2007 (2007-08-01), pages 2424 - 2428, XP002569013
Attorney, Agent or Firm:
EPPING HERMANN FISCHER PATENTANWALTSGESELLSCHAFT MBH (München, DE)
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