The invention relates to a method producing parts using laser sintering wherein a fusible powder is exposed to a plurality of laser scans at controlled energy levels and for time periods to melt and densify the powder and in the substantial absence of particle bonding outside the fusion boundary. Strength...http://www.google.es/patents/US7569174?utm_source=gb-gplus-sharePatente US7569174 - Controlled densification of fusible powders in laser sintering
Controlled densification of fusible powders in laser sintering
