patent titled Apparatus for Production of Three-Dimensional Objects by Stereolithography, which was granted in March 1986. Charles Hull Charles Hull or “Chuck”Ĭonsidered the formal birth of Additive manufacturing in August 1984, it was Charles Hull (co-founder and chief technical officer of 3D Systems Inc.) the one who applied for a U.S. Next year, November 1981, Kodama published a second paper titled Automatic Method for Fabricating a Three-Dimensional Plastic Model with Photo Hardening.Īlso it was known in a Review of Scientific Instruments that Kodama described a key element of the stereolithography process when mentioned three basic techniques he used to create plastic parts by “solidifying thin, consecutive layers of photopolymer”. ![]() Hideo Kodama Hideo Kodamaīut it was Hideo Kodama of the Nagoya Municipal Industrial Research Institute (Nagoya, Japan) among the first to invent the single-beam laser curing approach in October 1980, he published a paper titled Three-Dimensional Data Display by Automatic Preparation of a Three-Dimensional Model that outlined his experiment in detail.Īccording to many sources, Kodama’s research was perhaps the first evidence of working additive manufacturing (AM) techniques in the world. the invention involved the cutting of cross sections by computer control, using either a milling machine or laser, and stacking them in register to form a 3D piece. A series of patents on solid photography was granted to Dynell Electronics Corp. Actually, first attempt to create solid objects layer-by-layer-like took place in late 1960s, at Battelle Memorial Institute, thanks to an experiment that involved intersecting two laser beams of differing wave length in the middle of a vat of resin, attempting to solidify the same photopolymer resin at the point of intersection.Īnother significant attempt of the coming invention occurred next decade, in late 1970s. 8.1 Related First attempt to create solid objects layer by layer.
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