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2010-08-26 Waterproof piezoelectric speaker cuts dead space
Murata's new waterproof speaker leverages the company's proprietary piezoelectric technology in a device measuring just 19.5mm x 14.1mm x 0.9mm.
2002-03-15 Union Electronics piezoelectric buzzer operates up to 20Vpp
The UPT14A SMT piezoelectric buzzer supports an operating voltage range from 1Vpp to 20Vpp, and features a maximum rated current of 3mA and a minimum sound output of 85dB at 10cm.
2005-06-13 Understanding piezoelectric transformers in CCFL backlight applications
This app note discusses piezoelectric transformers in CCFL backlight applications
2009-05-29 TS912: Driving a piezoelectric cell with a rail-to-rail op amp
The TS912 is an input/output rail-to-rail dual CMOS operational amplifier. It is able to operate with low supply voltage (2.7V) and to drive low output loads (600). As an illustration of these features, this note describes the TS912 behavior when driving a piezoelectric cell.
2010-05-24 Signal conditioning for piezoelectric sensors
This article explains some of the principles of signal conditioning.
2011-03-30 Researcher crafts rotary-linear piezoelectric actuator
Tomoaki Mashino of Toyohashi University has created a microactuator with a single cubic stator capable of both rotary and linear motion.
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.
2010-01-14 Piezoelectric transducer harvests energy
The device interfaces with a piezoelectric or alternative AC power source and stores harvested energy in a capacitor.
2011-06-29 Piezoelectric thin films harvest energy
The ability of piezoelectric thin films to turn mechanical pressure into electricity could be used in creating the everlasting battery.
2013-03-19 Piezoelectric sensors remotely detect machine integrity
A*STAR's Institute of Materials Research and Engineering and Singapore's Hoestar PD Technology teamed up to deploy wireless piezoelectric sensors that can detect defects via remote monitoring.
2007-12-11 Piezoelectric motor pushes 200 times its own weight
New Scale Technologies' tiny SQL-1.8 Squiggle motor travels as fast as 7mm per second and pushes axial loads of up to 30g, which is nearly 200 times its own weight of 0.16g.
2014-09-23 Piezoelectric MEMS mics soars with 70dB signal-to-noise ratio
The next generation of high-definition microphones, which uses piezoelectric tranducers, will surpass traditional MEMS mics whose signal-to-noise ratio is limited by a need for perforated backplate behind the diaphragm.
2003-04-30 Piezoelectric ceramic inverters power LCD backlights
The L0503A01 series of piezoelectric ceramic inverter modules from Shenzhen Ferrotron Co. Ltd measures 150-by-13.5-by-5mm.
2004-07-07 OBO PRO.2 piezoelectric buzzers consume 3mA
OBO PRO.2 has expanded its product offering with the release of two series of piezoelectric buzzers that feature a current consumption of 3mA.
2003-07-02 NEC water-cooling module features piezoelectric pump
NEC Corp. has developed what it claims is the world's first slim-sized water-cooling module for notebook personal computers.
2014-08-28 MEMS plus piezoelectric equates to greater miniaturisation
ROHM established a process for MEMS that utilises thin-film piezoelectric elements. This combination is said to streamline design and reduce the size of processing controllers.
2002-05-22 Matsushita piezoelectric transformers have high transfer efficiencies
The EFTU11R0MX50 and EFTU11R8MX50 piezoelectric transformers from Matsushita Electronic Components Co. Ltd provide a transfer ratio of 50 and a transfer efficiency of up to 93 percent.
2014-02-19 Leeds research boosts piezoelectric for high temp operations
A team of researchers from University of Leeds is developing ceramics containing bismuth and iron, for electronic applications in extreme environments.
2004-03-29 Kingstate releases waterproof piezoelectric buzzers
Kingstate Electronics' surface-mount KPE-243 piezoelectric buzzers are claimed to be the world's smallest water-proof models, measuring 14(?)-by-8mm.
2014-02-19 Flexible piezoelectric fibres generate 2x power output
Knitted together to form a 3D fabric, piezoelectric fibres can generate electricity by harnessing the energy created by an impact or movement, converting it into electrical power.
2006-06-21 DSP DAQ systems read piezoelectric signals
Data Translation's DT9841-VIB systems can be used for applications requiring piezoelectric accelerometer readings.
2006-01-24 Controller drives piezoelectric motors
New Scale Technologies has introduced a MC-1000 controller for its SQL or SQ-100 series piezoelectric SQUIGGLE motors.
2005-06-13 Comparing magnetic and piezoelectric transformer approaches in CCFL applications
This app note discusses magnetic and piezoelectric transformer approaches in CCFL applications
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.
2004-11-08 Audiowell piezoelectric sensors offer 95dB SPL
The new 16B04-TK005L8 piezoelectric ultrasonic sensors from Audiowell Electronics (Guangzhou) Co. Ltd feature an SPL of 95dB (min).
2015-09-03 ADI silently snatches piezoelectric MEMS start-up
Analog Devices acquired piezoelectric MEMS resonator startup Sand 9, which hit technical issues amidst changing markets and effectively outlasted investors' patience.
2007-06-20 Accurate evaluation of MEMS piezoelectric sensors and actuators using the Agilent 4294A precision impedance analyzer
This application brief describes the benefits of using the Agilent 4294A for device characterization of MEMS piezoelectric sensors and actuators, along with its wide variety of analysis functions and features and how it improves design efficiency.
2010-07-19 40W PAs target piezoelectric, electro-optic, MEMS
Trek Inc. rolls the 2200 series of 40W high voltage amplifiers, claiming a combination of high performance and attractive pricing.
2004-03-16 Zinc-oxide structure joins nanoscale-device push
Nanorings, a new type of geometry in the quest to build nanoscale devices, hold out near-term promise as injectable pressure sensors to monitor the human body.
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.
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