Thursday, January 17, 2013

Method of Controlling Ion Energy and Flux in Capacitively Coupled Radio Frequency Discharges

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15.01.2013

The energy of ions impacting surfaces during plasma processing is crucial in determining both the properties of materials being deposited by plasmas and for the control of the etching of thin films. A new method that allows the ion energy and plasma density to be decoupled has been developed.

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Overview of the latest five Focus news of the innovations-report:

In the focus: New Sunspots Producing Space Weather

On Jan. 13, 2013, at 2:24 a.m. EST, the sun erupted with an Earth-directed coronal mass ejection or CME. Not to be confused with a solar flare, a CME is a solar phenomenon that can send solar particles into space and reach Earth one to three days later.

Experimental NASA research models, based on observations from the Solar Terrestrial Relations Observatory (STEREO) and the ESA/NASA mission the Solar and Heliospheric Observatory, show that the CME left the sun at speeds of 275 miles per second. This is a fairly typical speed for CMEs, though much slower than the ...

In the focus: Sensor of bacteria and viruses on high alert at the site of action

Researchers show: Sophisticated transport system helps immune cells quickly detect infections

"Danger!" signals TLR9, the molecular sensor, whenever it recognizes bacterial or viral genetic information, specifically DNA. Instantly, the immune system initiates the process of fighting off the infection.

This initial protective mechanism is very fast because it focuses on recognition of basic structural properties ? in this case bacterial or ...

In the focus: Natural killer cells ? the body?s own patrol against viruses and tumours

Setting the stage for personalised medicine, researchers decode major immune cell's protein content

Scientists at the Helmholtz Centre for Infection Research (HZI) have analysed for the first time all the proteins inside natural killer (NK) cells of healthy individuals. The newly discovered ?protein repertoire? shows that these immune cells cannot only defend us against acute viral infections but they can also store information ...

In the focus: Virus caught in the act of infecting a cell

The detailed changes in the structure of a virus as it infects an E. coli bacterium have been observed for the first time, report researchers from The University of Texas at Austin and The University of Texas Health Science Center at Houston (UT Health) Medical School this week in Science Express.

To infect a cell, a virus must be able to first find a suitable cell and then eject its genetic material into its host. This robot-like process has been observed in a virus called T7 and visualized by Ian Molineux, professor of biology at The University of Texas at Austin, ...

In the focus: Oxygen to the core

An international collaboration including researchers from Lawrence Livermore National Laboratory has discovered that the Earth's core formed under more oxidizing condition's than previously proposed.

Through a series of laser-heated diamond anvil cell experiments at high pressure (350,000 to 700,000 atmospheres of pressure) and temperatures (5,120 to 7,460 degrees Fahrenheit), the team demonstrated that the depletion of siderophile (also known as "iron loving") elements can be produced by core formation under more oxidizing conditions than ...

Source: http://www.innovations-report.com/html/reports/technology_offerings/method_controlling_ion_energy_flux_capacitively_208062.html

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