Conferences related to Bioceramics

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2020 42nd Annual International Conference of the IEEE Engineering in Medicine & Biology Society (EMBC)

The conference program will consist of plenary lectures, symposia, workshops and invitedsessions of the latest significant findings and developments in all the major fields of biomedical engineering.Submitted papers will be peer reviewed. Accepted high quality papers will be presented in oral and postersessions, will appear in the Conference Proceedings and will be indexed in PubMed/MEDLINE


2020 IEEE International Conference on Plasma Science (ICOPS)

IEEE International Conference on Plasma Science (ICOPS) is an annual conference coordinated by the Plasma Science and Application Committee (PSAC) of the IEEE Nuclear & Plasma Sciences Society.


2020 IEEE Nuclear Science Symposium and Medical Imaging Conference (NSS/MIC)

All areas of ionizing radiation detection - detectors, signal processing, analysis of results, PET development, PET results, medical imaging using ionizing radiation


2020 Joint Conference of the IEEE International Frequency Control Symposium and International Symposium on Applications of Ferroelectrics (IFCS-ISAF)

Ferroelectric materials and applications


2019 30th Annual SEMI Advanced Semiconductor Manufacturing Conference (ASMC)

ASMC is the leading international technical conferences for discussing solutions that improve the collective manufacturing expertise of the semiconductor industry. Solving the challenges presented by semiconductor manufacturing has been a combined effort by device makers, equipment and materials suppliers, and academics. ASMC provides an unparalleled platform for semiconductor professionals to network and learn the latest in the practical application of advanced manufacturing strategies and methodologies. Technical presentations at ASMC highlight industry innovations with specific results.


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Periodicals related to Bioceramics

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Applied Superconductivity, IEEE Transactions on

Contains articles on the applications and other relevant technology. Electronic applications include analog and digital circuits employing thin films and active devices such as Josephson junctions. Power applications include magnet design as well asmotors, generators, and power transmission


Biomedical Engineering, IEEE Transactions on

Broad coverage of concepts and methods of the physical and engineering sciences applied in biology and medicine, ranging from formalized mathematical theory through experimental science and technological development to practical clinical applications.


Dielectrics and Electrical Insulation, IEEE Transactions on

Electrical insulation common to the design and construction of components and equipment for use in electric and electronic circuits and distribution systems at all frequencies.


Engineering in Medicine and Biology Magazine, IEEE

Both general and technical articles on current technologies and methods used in biomedical and clinical engineering; societal implications of medical technologies; current news items; book reviews; patent descriptions; and correspondence. Special interest departments, students, law, clinical engineering, ethics, new products, society news, historical features and government.


Latin America Transactions, IEEE (Revista IEEE America Latina)

The IEEE Region 9 is releasing the IEEE Latin America Transactions to enable the publication of non-published and technically excellent papers from Latin American engineers, in Spanish or Portuguese languages. Engineers and researchers from Portugal and Spain (and others countries with the same language) are also very welcome to submit their proposals.


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Most published Xplore authors for Bioceramics

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Xplore Articles related to Bioceramics

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The progress update of relaxor piezoelectric single crystals

2009 IEEE International Ultrasonics Symposium, 2009

A series of relaxor piezoelectric single crystals, including lead magnesium niobate-lead titanate (PMN-PT) and pure and manganese-doped lead indium niobate-lead magnesium niobate-lead titanate (PIN-PMN-PT and Mn: PIN-PMN-PT), have been developed by a modified Bridgman crystal growth process. These single crystals have been grown along both <001> and <110> with diameters up to 75 mm. PIN-PMN-PT possesses the similar electromechanical properties ...


Novel piezoelectric ceramic/polymer composite transducers

Proceedings of the 13th IEEE International Symposium on Applications of Ferroelectrics, 2002. ISAF 2002., 2002

The design, processing conditions and electromechanical characterization of novel piezoelectric ceramic/polymer composites with 2-2 and 3-3 connectivity is presented. The ceramic structures made of PZT were prepared by Layered Manufacturing, namely by Fused Deposition of Ceramics (FDC) process. The ceramic phase in the form of fibers or sheets was oriented at different orientation angles /spl theta/ with respect to the ...


Materials in biomedical engineering: potential and issues

Proceedings of the First Regional Conference, IEEE Engineering in Medicine and Biology Society and 14th Conference of the Biomedical Engineering Society of India. An International Meet, 1995

A large number of materials such as glasses, ceramics and polymers have been in use as biomaterials. Some of these applications are discussed. A description of the work related to piezocomposites and piezoceramic devices being carried out at NPL is also given.


New piezoceramic films for high resolution medical imaging applications

2000 IEEE Ultrasonics Symposium. Proceedings. An International Symposium (Cat. No.00CH37121), 2000

The fabrication process of new PZT-PNN piezoelectric ceramics (Ferroperm Pz21) is first described. Thick films are obtained through a tape casting route with a thickness between 60 and 90 /spl mu/m. This material is designed essentially to be integrated in high frequency medical transducers where properties such as high permittivity and high coupling factor are required. The dielectric, elastic, piezoelectric ...


Homogenization of piezocomposites containing both 0-3 and 3-3 connectivities

ISAF 1998. Proceedings of the Eleventh IEEE International Symposium on Applications of Ferroelectrics (Cat. No.98CH36245), 1998

For high volume fraction piezoelectric particle loaded materials, two connectivities can be differentiated: the 0-3 connectivity which corresponds to isolated ferroelectric particles in the polymer matrix and the 3-3 connectivity which corresponds to particles in contact. A new model based on a matrix method previously developed for pure 0-3 and 3-3 connectivities is implemented to calculate all the effective parameters ...


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Educational Resources on Bioceramics

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IEEE.tv Videos

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IEEE-USA E-Books

  • The progress update of relaxor piezoelectric single crystals

    A series of relaxor piezoelectric single crystals, including lead magnesium niobate-lead titanate (PMN-PT) and pure and manganese-doped lead indium niobate-lead magnesium niobate-lead titanate (PIN-PMN-PT and Mn: PIN-PMN-PT), have been developed by a modified Bridgman crystal growth process. These single crystals have been grown along both &lt;001&gt; and &lt;110&gt; with diameters up to 75 mm. PIN-PMN-PT possesses the similar electromechanical properties to PMN-PT, while rhombohedral-to-tetragonal phase transition temperature (T<sub>rt</sub>) and coercive field (E<sub>C</sub>) increased to higher than 120°C and 4.5kV/cm, respectively. By doping with Mn, mechanical quality factor (Q<sub>M</sub>) increased above 700 in &lt;001&gt;-poled longitudinal mode without compromising electromechanical coupling (k<sub>33</sub>), T<sub>rt</sub> and E<sub>C</sub>. This work demonstrated that by composition modification, the electromechanical properties of PMN-PT based crystals can be stabilized with respect to operating temperature and electric field.

  • Novel piezoelectric ceramic/polymer composite transducers

    The design, processing conditions and electromechanical characterization of novel piezoelectric ceramic/polymer composites with 2-2 and 3-3 connectivity is presented. The ceramic structures made of PZT were prepared by Layered Manufacturing, namely by Fused Deposition of Ceramics (FDC) process. The ceramic phase in the form of fibers or sheets was oriented at different orientation angles /spl theta/ with respect to the x/sub 3/ axis of the sample, which varied between 0/spl deg/ and 75/spl deg/, in 15/spl deg/ increments. The sintered structures were placed in Spurr Epoxy polymer and diced in 2mm thickness. The electromechanical and elastic properties were investigated as a function of orientation angle /spl theta/. The longitudinal piezoelectric charge coefficient showed a decrease in the property as the /spl theta/ increases. It was found that as the orientation angle /spl theta/ was increased, the transverse piezoelectric charge coefficient d/sub 3l/ changed its sign from a negative to a positive value at /spl theta/ = 37.5/spl deg/ reaching a maximum value at 45/spl deg/ for both types of composites. Due to the contribution of a positive d/sub 3l/ coefficient, a significant increase in the hydrostatic charge coefficient was observed.

  • Materials in biomedical engineering: potential and issues

    A large number of materials such as glasses, ceramics and polymers have been in use as biomaterials. Some of these applications are discussed. A description of the work related to piezocomposites and piezoceramic devices being carried out at NPL is also given.

  • New piezoceramic films for high resolution medical imaging applications

    The fabrication process of new PZT-PNN piezoelectric ceramics (Ferroperm Pz21) is first described. Thick films are obtained through a tape casting route with a thickness between 60 and 90 /spl mu/m. This material is designed essentially to be integrated in high frequency medical transducers where properties such as high permittivity and high coupling factor are required. The dielectric, elastic, piezoelectric and microstructure properties of this ceramic are characterized as a function of frequency and used to simulate the behavior of an imaging transducer operating around 30 MHz. The performance obtained shows that Pz21 ceramics are well adapted for high resolution medical imaging applications.

  • Homogenization of piezocomposites containing both 0-3 and 3-3 connectivities

    For high volume fraction piezoelectric particle loaded materials, two connectivities can be differentiated: the 0-3 connectivity which corresponds to isolated ferroelectric particles in the polymer matrix and the 3-3 connectivity which corresponds to particles in contact. A new model based on a matrix method previously developed for pure 0-3 and 3-3 connectivities is implemented to calculate all the effective parameters of such a composite which possesses both 0-3 and 3-3 connectivities. For this, a proportion of 0-3 connectivity in the composite is introduced. The effective properties are studied as a function of this proportion. Comparisons with experimental results show that this model allows an evaluation of the proportion of each connectivity through the analysis of the electromechanical performances of composite samples.

  • Enhancing understanding of concepts in mechanics of materials using design

    The growing usage of new materials such as plastics, ceramics, composites in engineering applications; new areas of applications such as electronic packaging, medical implants, explanation of geological movements; increasing popularity of stress analysis techniques such as finite element methods and Moire' interferometry; are all indicators emphasizing the importance of basic concepts taught in mechanics of materials course. Presenting subject matter using generalized concepts with greater applicability is one way of educating students in modern topics without exacerbating the problem of increasing graduation time. The negative impact on student motivation that comes from abstraction in generalization can be mitigated by using design. In this paper, using several examples, it is shown that design can be used not only to show the practical relevance of the fundamental mechanics of materials concepts but equally important design can enhance the understanding of the concepts.

  • Excimer lasers as tools for material processing in manufacturing

    Since their initial demonstration 20 years ago, excimer lasers have developed from physicists' "toys" to powerful tools, offering unique benefits to a wide range of applications. Nearly all technical (plastics, ceramics, glasses, metals, semiconductors, composites) and biological/medical materials can be structured by the intense ultraviolet (UV) laser lights. Drilling of microholes for ink jet nozzle heads and for MCM microelectronic packaging, stripping of very tiny wires, annealing of TFT's for flat panel displays and high quality marking are well-known industrial introduced examples of this technique. Recently two very important breakthroughs were achieved. The first is in regard to the performance of the excimer laser itself. The second one is a much more advanced way of using UV photons more efficiently.

  • 5B-5 Multi-Layered PMN-PT Single Crystal/Polymer Composite 96ch Phased Array for Medical Ultrasound Imaging

    The performance of 3.5 MHz/96ch 0.2mm pitch phased array using multi-layered PMN-PT single crystal/polymer composites was investigated. The bandwidth of multi-layered PMN-PT/polymer composites phased array is about 120% and this is about 50% broader than that of PZT ceramics probe. And sensitivity of multilayer PMN-PT/polymer composites phased array is about 6dB higher than that of PZT ceramics. Because of low acoustical cross-talk, the measured directivity of multi-layered PMN-PT/polymer composites phased array is almost 100% with respect to theoretical value using CW theory. The variation range of sensitivity between element to element is about 3dB and this is almost same with PZT ceramic probe. The average sensitivity variation between lot to lot of multilayered PMN-PT/polymer phased array is about 2dB

  • Laser Probe Investigation of Guided Acoustic Interface Waves in Differentially Poled Ceramics

    None

  • Medical imaging phased arrays using multilayer ceramics and composites

    This paper reports on recent work fabricating multilayers using an automated lapping process. A direct comparison between a single layer ceramic and a multilayer composite phased array is presented, including sensitivity uniformity across the entire array. A comparison of measured and modeled performance for the same array shows the utility of the KLM model for predicting array performance. Proposed 4- and 5-layer composites are shown to have even better theoretical performance and should be straightforward to fabricate at frequencies up to 3.0 MHz using an established process.



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