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Search results for micromachines

Engineering Jan 17, 2012

New microtweezers may build tiny 'MEMS' structures

Researchers have created new "microtweezers" capable of manipulating objects to build tiny structures, print coatings to make advanced sensors, and grab and position live stem cell spheres for research.

Nanophysics Dec 21, 2011

Prototype device measures absolute optical power in fiber at nanowatt levels

(PhysOrg.com) -- Researchers at the National Institute of Standards and Technology (NIST) have demonstrated a prototype device capable of absolute measurements of optical power delivered through an optical fiber.

General Physics Dec 11, 2011

The world's smallest steam engine measures a few micrometers

What would be a case for the repair shop for a car engine is completely normal for a micro engine. If it sputters, this is caused by the thermal motions of the smallest particles, which interfere with its running. Researchers ...

Hardware Dec 8, 2011

Imec presents a MEMS energy harvester suitable for shock-induced energy harvesting in car tires

Imec and Holst Centre announce that they have made a micromachined harvester for vibration energy with a record output power of 489µW. Measurements and simulation show that the harvester is also suited for shock-induced ...

Nanophysics Dec 2, 2011

Giant piezoelectric effect to improve MEMS devices

Researchers in the Department of Materials Science and Engineering and the Materials Research Institute at Penn State are part of a multidisciplinary team of researchers from universities and national laboratories across ...

Electronics & Semiconductors Oct 11, 2011

Imec demonstrates CMOS integrated poly-SiGe piezoresistive pressure sensor

Imec realized an integrated poly-SiGe-based piezoresistive pressure sensor directly fabricated above 0.13 µm copper (Cu) -backend CMOS technology. This represents not only the first integrated poly-SiGe pressure sensor ...

Nanomaterials Sep 28, 2011

NIST polishes method for creating tiny diamond machines

(PhysOrg.com) -- Diamonds may be best known as a symbol of long-lasting love. But semiconductor makers are also hoping they'll pan out as key components of long-lasting micromachines if a new method developed at the National ...

Engineering Apr 26, 2011

Most powerful millimeter-scale energy harvester generates electricity from vibrations

(PhysOrg.com) -- Electrical engineers at the University of Michigan have built a device that can harness energy from vibrations and convert it to electricity with five to ten times greater efficiency and power than other ...

Optics & Photonics Mar 4, 2011

Mastering bandwidth: Researchers develop tunable, low-cost laser device

Transmitting information as pulses of light through fiber-optic cables is the fastest and highest-bandwidth communications technology that exists today. Yet even this technology is being pressed to carry ever-greater quantities ...

Optics & Photonics Dec 7, 2010

Optical lifting demonstrated for the first time (w/ Video)

(PhysOrg.com) -- Scientists in New York have predicted, observed and experimentally verified a micrometer-scale object being lifted only by a beam of laser light. Optical lifting may be useful for powering micromachines or ...

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