Title:
SHAPED BODIES CONTAINING PIEZO-ACTIVE CALCIUM TITANIUM OXIDE, METHOD FOR THE PRODUCTION AND EXCITATION THEREOF AND USE OF PIEZO-ACTIVE CALCIUM TITANIUM OXIDE AS PIEZOELECTRIC MOLDED BODIES OR A COMPONENT OF PIEZOELECTRIC MOLDED BODIES
Document Type and Number:
WIPO Patent Application WO/2016/192702
Kind Code:
A3
Abstract:
The invention relates to molded bodies, in particular implants, comprising piezo-active calcium titanium oxide, including piezo-active doped calcium titanium oxide, the use of such calcium titanium oxide and a method for the production and for the excitation of the molded bodies by electric fields.
Inventors:
BURKEL EBERHARD (DE)
SCHNIERER RICO (DE)
SCHNIERER RICO (DE)
Application Number:
PCT/DE2016/000230
Publication Date:
January 26, 2017
Filing Date:
June 03, 2016
Export Citation:
Assignee:
UNIVERSITÄT ROSTOCK (DE)
International Classes:
A61L27/02; C04B35/465; C04B35/624; C04B35/64; H01L41/187; H01L41/43
Domestic Patent References:
| WO2007010512A1 | 2007-01-25 | |||
| WO2015178196A1 | 2015-11-26 |
Foreign References:
| EP0331160A2 | 1989-09-06 | |||
| EP2786771A2 | 2014-10-08 |
Other References:
A. K. DUBEY ET AL: "Multifunctionality of Perovskites BaTiO 3 and CaTiO 3 in a Composite with Hydroxyapatite as Orthopedic Implant Materials", INTEGRATED FERROELECTRICS, vol. 131, no. 1, 1 January 2011 (2011-01-01), US, pages 119 - 126, XP055317469, ISSN: 1058-4587, DOI: 10.1080/10584587.2011.616425
NAOFUMI OHTSU ET AL: "CaTiO3 coating on titanium for biomaterial application-Optimum thickness and tissue response", JOURNAL OF BIOMEDICAL MATERIALS RESEARCH. PART A, vol. 82A, no. 2, 1 August 2007 (2007-08-01), HOBOKEN, NY, US, pages 304 - 315, XP055317494, ISSN: 1549-3296, DOI: 10.1002/jbm.a.31136
BHAVNA C. KESWANI ET AL: "Ferroelectric and piezoelectric properties of Fe doped lead free BaTiO3 -CaTiO3 electroceramics", 2015 2ND INTERNATIONAL SYMPOSIUM ON PHYSICS AND TECHNOLOGY OF SENSORS (ISPTS), 1 March 2015 (2015-03-01), pages 102 - 105, XP055317508, ISBN: 978-1-4673-8018-8, DOI: 10.1109/ISPTS.2015.7220092
YANG SANG MO ET AL: "Observation of ferroelectricity induced by defect dipoles in the strain-free epitaxial CaTiO3thin film", CURRENT APPLIED PHYSICS, vol. 14, no. 5, 22 March 2014 (2014-03-22), pages 757 - 760, XP028652382, ISSN: 1567-1739, DOI: 10.1016/J.CAP.2014.03.009
M. KHALID ET AL: "Development of Perovskite Based Ceramics for Ultrasonic Applications", KEY ENGINEERING MATERIALS, vol. 442, 1 June 2010 (2010-06-01), pages 422 - 430, XP055317519, DOI: 10.4028/www.scientific.net/KEM.442.422
AHMED M A ET AL: "Effect of annealing time, weight pressure and Fe doping on the electrical and magnetic behavior of calcium titanate", MATERIALS CHEMISTRY AND PHYSICS, ELSEVIER SA, SWITZERLAND, TAIWAN, REPUBLIC OF CHINA, vol. 114, no. 1, 15 March 2009 (2009-03-15), pages 446 - 450, XP025767815, ISSN: 0254-0584, [retrieved on 20081125], DOI: 10.1016/J.MATCHEMPHYS.2008.09.075
PULI VENKATA SREENIVAS ET AL: "Investigations on structure, ferroelectric, piezoelectric and energy storage properties of barium calcium titanate (BCT) ceramics", JOURNAL OF ALLOYS AND COMPOUNDS, vol. 584, 24 September 2013 (2013-09-24), pages 369 - 373, XP028761969, ISSN: 0925-8388, DOI: 10.1016/J.JALLCOM.2013.09.108
NAOFUMI OHTSU ET AL: "CaTiO3 coating on titanium for biomaterial application-Optimum thickness and tissue response", JOURNAL OF BIOMEDICAL MATERIALS RESEARCH. PART A, vol. 82A, no. 2, 1 August 2007 (2007-08-01), HOBOKEN, NY, US, pages 304 - 315, XP055317494, ISSN: 1549-3296, DOI: 10.1002/jbm.a.31136
BHAVNA C. KESWANI ET AL: "Ferroelectric and piezoelectric properties of Fe doped lead free BaTiO
YANG SANG MO ET AL: "Observation of ferroelectricity induced by defect dipoles in the strain-free epitaxial CaTiO3thin film", CURRENT APPLIED PHYSICS, vol. 14, no. 5, 22 March 2014 (2014-03-22), pages 757 - 760, XP028652382, ISSN: 1567-1739, DOI: 10.1016/J.CAP.2014.03.009
M. KHALID ET AL: "Development of Perovskite Based Ceramics for Ultrasonic Applications", KEY ENGINEERING MATERIALS, vol. 442, 1 June 2010 (2010-06-01), pages 422 - 430, XP055317519, DOI: 10.4028/www.scientific.net/KEM.442.422
AHMED M A ET AL: "Effect of annealing time, weight pressure and Fe doping on the electrical and magnetic behavior of calcium titanate", MATERIALS CHEMISTRY AND PHYSICS, ELSEVIER SA, SWITZERLAND, TAIWAN, REPUBLIC OF CHINA, vol. 114, no. 1, 15 March 2009 (2009-03-15), pages 446 - 450, XP025767815, ISSN: 0254-0584, [retrieved on 20081125], DOI: 10.1016/J.MATCHEMPHYS.2008.09.075
PULI VENKATA SREENIVAS ET AL: "Investigations on structure, ferroelectric, piezoelectric and energy storage properties of barium calcium titanate (BCT) ceramics", JOURNAL OF ALLOYS AND COMPOUNDS, vol. 584, 24 September 2013 (2013-09-24), pages 369 - 373, XP028761969, ISSN: 0925-8388, DOI: 10.1016/J.JALLCOM.2013.09.108
Attorney, Agent or Firm:
MÜLLER SCHUPFNER & PARTNER PATENT -UND RECHTSANWALTSPARTNERSCHAFT MBB (DE)
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