top down methods of nanotechnology i need description about this lithographic techniques ....etc

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Laser beam machining (LBM) is a non-traditional subtractive manufacturing process, a form of machining, in which a laser is directed towards the work piece for machining. This process uses thermal energy to remove material from metallic or nonmetallic surfaces. ....etc

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Removel of material by using electron beam and electrical field.
ELECTRON BEAM MACHINING :
A high velocity stream of electrons is focused on the workpiece surface to remove material by melting and vaporization
Electron beam gun accelerates a stream of electrons to 3/4 c and focused through an electromagnetic lens
Kinetic energy of beam converted to thermal energy of extremely high density, melting or vaporizing material in a very localized area
EBM must be carried out in a vacuum
MATERIAL PROCESSING BY ELECTRON BEAM:
High in ....etc

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Ion Beams Machining (IBM) is an important nonconventional manufacturing technology (Hellborg et al. 2009), which uses a stream of accelerated ions by electrical means in a vacuum to remove, add, or modify atoms on the surface of the object. IBM can be classified into two main categories, that is, Large-area Ion Beam Machining (LIBM) technology and Focused Ion Beam Machining (FIBM) technology ....etc

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To get full information or details of laser beam machining please have a look on the pages

http://seminarsprojects.net/Thread-Laser-beam-machining-LBM-full-report

http://seminarsprojects.net/Thread-Electron-Beam-and-Laser-Beam-Machining-pdf

http://seminarsprojects.net/Thread-laser-beam-machining

if you again feel trouble on laser beam machining please reply in that page and ask specific fields in laser beam machining ....etc

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LASER BEAM MECHINING is a technology that uses a laser to drilling, cutting slotting, etc. utilizing a high intensity laser beam, and is typically used for industrial manufacturing applications. Laser cutting works by directing the output of a high power laser, by computer, at the material to be cut. The material then either melts, burns, vaporizes away, or is blown away by a jet of gas Leaving an edge with a high quality surface finish. Industrial laser cutters are used to cut flat-sheet material as well as structural and piping materials,sig ....etc

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To get full information or details of download laser beam machining ppt please have a look on the pages

http://seminarsprojects.net/Thread-electronbeam-machining

http://seminarsprojects.net/Thread-elctron-beam-machining

if you again feel trouble on download laser beam machining ppt please reply in that page and ask specific fields in download laser beam machining ppt ....etc

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please send me seminar report pdf and seminar ppt file of the laser beam maching ....etc

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