Search results for MEMS

Engineering May 24, 2011

New micro gyro technology for DARPA to be developed

The Georgia Institute of Technology, in partnership with Northrop Grumman Corporation, has been selected to develop a new type of Microelectromechanical Systems (MEMS) gyroscope technology for the Defense Advanced Research ...

Energy & Green Tech May 16, 2011

Energy harvesters transform waste into electricity

Billions of dollars lost each year as waste heat from industrial processes can be converted into electricity with a technology being developed at the Department of Energy's Oak Ridge National Laboratory.

Engineering Apr 14, 2011

Microtechnology: Miniature magnetic switches

Transistors are commonly used in electronics as switches to turn an electrical current on or off. For applications that require a very large ratio between the on and off current, however, it is necessary to use mechanical ...

Engineering Mar 25, 2011

Innovative microactuators: Compact 3.5 mm cubic rotary-linear piezoelectric actuator

(PhysOrg.com) -- Microactuators are critical components for industrial applications such as MEMS, micro-medical devices, and microrobotics. However, the fabrication of increasingly sophisticated, millimeter sized microactuators ...

Engineering Mar 7, 2011

MEMS thermal sensor detects pre-atherosclerotic lesions

A new study published in the Annals of Biomedical Engineering shows that a MEMS thermal sensor deployed by an angiogram catheter can detect the earliest stages of atherosclerosis. The MEMS thermal sensor used convective heat ...

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 ...

Materials Science Mar 1, 2011

Stronger than steel, novel metals are moldable as plastic

(PhysOrg.com) -- Imagine a material that's stronger than steel, but just as versatile as plastic, able to take on a seemingly endless variety of forms. For decades, materials scientists have been trying to come up with just ...

Optics & Photonics Jan 21, 2011

Microtechnology: An alignment assignment

Microelectromechanical systems (MEMS), which consist of tiny moving parts driven by electrical signals, have found ready applications in optical communication systems. They are attractive in part because they can be integrated ...

Nanomaterials Jan 20, 2011

Effects of atomic-scale roughness on adhesion between diamond surfaces

CNST Project Leader Rachel Cannara and collaborators from the United States Naval Academy (USNA) and the University of Pennsylvania have shown that atomic-scale surface roughness has a strong influence on adhesion for diamond, ...

Hi Tech & Innovation Jan 8, 2011

Inkjet, laser, Memjet? Fast color printers on tap

(AP) -- For a long time, the two choices in desktop printers have been inkjet and laser. This year, a significant twist on the inkjet is hitting the market and promises high speed - think one color page per second - at relatively ...

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