Laser production of articles from powders
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United States of America Patent
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Nov 17, 1998
Issued Date -
N/A
app pub date -
Nov 30, 1995
filing date -
Aug 14, 1995
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
Method and apparatus for forming articles from materials in particulate form in which the materials are melted by a laser beam and deposited at points along a tool path to form an article of the desired shape and dimensions. Preferably the tool path and other parameters of the deposition process are established using computer-aided design and manufacturing techniques. A controller comprised of a digital computer directs movement of a deposition zone along the tool path and provides control signals to adjust apparatus functions, such as the speed at which a deposition head which delivers the laser beam and powder to the deposition zone moves along the tool path.
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