Method and apparatus for high speed electron beam rapid prototyping
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United States of America Patent
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Mar 25, 2003
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N/A
app pub date -
Aug 23, 1999
filing date -
Aug 23, 1999
priority date (Note) -
Expired
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Abstract
An electron beam as a curing technique with dynamic beam control technology in order to produce arbitrarily shaped parts. The result of this is equipment which can create prototypes and parts rapidly without additional tooling. The electron beam from a low divergence gun is accelerated towards uncured monomer in vacuum. Deflection of the beam combined with a grid which is used to turn the beam on and off, creates a two dimensional curing path with a depth of approximately five (5) thousandths of inch. Successive layers of this type, built up as monomer is added, creates a three dimensional pattern. The layers can either be of uniform thickness, or can be varied in thickness by varying the energy of the beam.
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