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From: NightOwl	2/1/2008 12:13:48 PM
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Here's some great old (AFM) microscopy stuff made "news" by the advent of several new acronyms alone! A Biased View of the Nanoworld: Electromechanical Imaging By Scanning Probe Microscopy Piezoresponse force microscopy enables electromechanical imaging at the nanoscale rdmag.com But the real "news" of the day appears to be the arrival of a whole new field of real world sensor/power applications for miraculous PZT: Printing Technology Makes Miniature Energy Harvesters, Antennas, and Fuel-Cell Parts By Samuel K. Moore First Published February 2008 EoPlex Technologies miniaturizes for multiple markets 31 January 2008—In an effort to prevent rollover accidents, new cars sold in the United States must be outfitted with electronic tire-pressure sensors that warn the driver when tires are going flat. But the battery-powered initial version of the technology is less than ideal. The batteries may work fine at first but are subject to extreme heat, cold, and shock that will likely lead to several battery changes over the lifetime of the car. Replacing them could prove costly, because the sensors are sealed and must be replaced with the batteries. A consortium of tire and auto suppliers hopes to cut that cost. It’s testing sensors that can be mounted on the wheel or even embedded in the tires themselves that needs no battery and can radio pressure data from the tire to electronics inside the car. The secret is a cheap coin-size device called a “PZT bimorph” that harvests energy from the tire’s vibration via a miniature piezoelectric springboard.? The tire makers are depending on a small start-up company, EoPlex Technologies, in Redwood City, Calif., which has tuned its three-dimensional printing technology to construct the complex devices on the cheap. If the new power source passes its multiyear tests, carmakers may start to install other wireless components that will cut back on the kilometers of wiring in today’s cars. spectrum.ieee.org 0\|0

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