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2011-09-30 Polymers tout 10x higher piezoelectric effect
The property is revealed when two different polymer molecules are coupled as two blocks in a di-block copolymer.
2007-02-01 Class G amp drives thin piezoelectric speakers
Maxim has introduced the MAX9788, said to be the industry's first mono, Class G amplifier specifically designed to drive the high capacitive load of piezoelectric loudspeakers
2014-09-17 What does flexoelectricity hold for energy harvesting?
Seen to be rather ambiguous, flexoelectricity enables a dielectric to become electrically polarized when bent and be bent when electrically polarizedmuch like the piezoelectric effect, but different.
2010-08-26 Quantum dots power nano sensors
McGill University researchers are harnessing the piezoelectric effect in quantum dots, aiming for nanoscale sensors and power supplies that translate vibration into a usable signal.
2015-05-04 MEMS looks for its Moore's Law
MEMS provide an alternative route to scaling technology beyond Moore's Law that could have advantages in markets such as the Internet of Things.
2014-06-05 Transistor squeezing approach improves power efficiency
The approach involves the application of a piezoelectric material, which expands upon voltage contact and compresses the silicon in the transistor with a pressure of about 10,000 atmospheres
2014-10-29 Novel process cuts cost of micro energy harvesting
Fraunhofer researchers developed a process for the economical production of piezoelectric materials that can convert mechanical vibrations into electric energy
2014-04-14 Flexible plastics turn vibrations to electrical energy
Singapore researchers found a way to give polymer vibration harvesters a hundredfold boost in energy output, which could spur the development of self-powered microsensors and mobile devices.
2009-02-16 Silicon resonator consumes 1,000x less power
By adding a piezoelectric thin-film atop its silicon resonator and using a switched capacitor method for performing temperature compensation, the Swiss Center for Electronics (CSEM) is claiming a 1,000-fold decrease in power consumption in a paper presented during the ISSCC
2010-09-09 Georgia Tech demos piezotronic transistors for MEMS apps
Transistors harness the piezoelectric effect in zinc-oxide nanowires to transform mechanical motion into a signal that controls logic operations.
2012-01-11 GaN nanowires show more 3D piezoelectricity than bulk GaN
Researchers at the Northwestern University revealed that individual GaN nanowires as small as 60nm have piezoelectric behavior in 3D up to six times of their bulk counterpart
2013-04-29 Piezotronic transistors turn motion to electronic signals
Researchers from Georgia Tech used bundles of vertical zinc oxide nanowires to create transistors that could could help give robots a more adaptive tactile imaging.
2006-08-08 Nike gizmo turns iPod into runner's virtual trainer
Nike+iPod Sport Kit combines inexpensive sensor technology and low-cost CMOS radios with specialized embedded MCUs to serve up a $30 wireless runner's gadget.
2008-02-26 Nanogenerators weave power suit
Georgia Institute of Technology professor Zhong Lin Wang has invented clothing fabrics that generate electricity from the motion of wearing.
2007-10-12 Multibillion market awaits energy harvesting tech
In application areas as diverse as aircraft construction, personal health care monitoring systems or burglary detection systems, energy harvesting is on the verge of developing a market with a multibillion dollar potential.
2013-07-02 Multi-layered polymer capacitors for 125C apps
Terminated with multiple pin connections, the Type CS capacitors from Cornell Dubilier have low equivalent series resistance, and are designed for switching power supplies.
2016-01-21 In pursuit of quiet: Noise in linear regulators
It is always better to make sure the noise levels are low enough for your needs without expensive trials. Find out how this can be achieved.
2015-04-17 How to characterize GaN power devices
Here is a comparison of the degradation mechanisms of gallium-nitride FETs with silicon FETs. We will also discuss the need for waveform monitoring.
2006-03-07 High-capacitance passives shrink for portable devices
AVX, Taiyo Yuden and Vishay have all introduced new capacitor products that aim to shrink portable devices.
2011-08-01 Graphene film process enables thin, transparent speakers
Jyongsik Jang has developed and new way of making controlled graphene films and in the process was able to use the material to create a thin, transparent loudspeaker.
2010-06-11 10?F tantalum capacitors deliver 35V
AVX Corp. has developed a surface mount polymer tantalum capacitor that features a nominal capacitance rating of 10?F and rated voltage of 35V in the C case size (6mm x 3.2mm x 2.6mm).
2015-04-27 Verilog-AMS vs SPICE view for SoC verification
In this article, we comparatively analyse the usage of Verilog/Verilog-AMS and SPICE views from the perspective of data converters and clocking IPs in an SoC.
2007-10-31 Smart extruder collects data on its own operation
A Bradford University researcher has developed a benchtop extruder that is able to collect data about its own operation and to determine a wide range of characteristics of the material with which it is working.
2014-03-10 Perform electrical characterisation of biosensors
Proper testing of the electrical portions of these sensors is essential to support their development.
2013-07-12 MEMS sensors sensitivity amplified by graphene
Graphene can increase the sensitivity of MEMS sensors by up to 100 times, according to researchers at the Royal Institute of Technology in Stockholm.
2011-11-16 Making low power possible in wireless sensor networks
Find out why low power features and integration of modules in a single chip are vital for a rugged and efficient node development.
2005-03-29 Integrated varistor reduces component count
Stackpole has introduced a dual-function device that protects electronic equipment operating at a low voltage against voltage surges and high frequency noise
2012-08-28 How to optimize low-current and high-resistance measurements (Part 2)
Learn how to determine the offset current of a low-current measurement system, and understand the sources of measurement error in such systems.
2006-07-01 Here comes the sun
Sticker shock at the gas pumps combined with concerns over the diminishing supply of non-renewable energy sources like coal, oil and natural gas have added new urgency to the search for alternatives.
2005-10-03 Energy-harvesting chips: The quest for everlasting life
Research continues in developing higher energy-density batteries, but the amount of energy available is low and finite.
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