Three-Dimensional Printing Method Using Increased Light Intensity and Apparatus Therefore

摘要

A method of forming a three-dimensional object includes: providing a carrier and an optically transparent member having a build surface, the carrier and the build surface defining a build region therebetween; filling the build region with a polymerizable liquid, irradiating the build region with light through the optically transparent member to form a solid polymer from the polymerizable liquid, and advancing said carrier away from said build surface to form said three-dimensional object from said solid polymer. The irradiating step includes projecting focused light at the build region, and the advancing step is carried out at a rate that is dependent on an average light intensity of the focused light. An apparatus to perform the method is also disclosed.

主权项

1. A method of forming a three-dimensional object, comprising:
providing a carrier and an optically transparent member having a build surface, said carrier and said build surface defining a build region therebetween; filling said build region with a polymerizable liquid; irradiating said build region with light through said optically transparent member to form a solid polymer from said polymerizable liquid; and advancing said carrier away from said build surface to form said three-dimensional object from said solid polymer; wherein said irradiating step comprises projecting focused light at said build region, and wherein said advancing step is carried out at a rate that is dependent on an average light intensity of said focused light.