The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Sep. 23, 2025
Filed:
Oct. 21, 2021
Applicant:
Bmf Material Technology Inc., Shenzhen, CN;
Inventors:
Chunguang Xia, San Diego, CA (US);
Jiawen Xu, Shenzhen, CN;
Assignee:
BMF Material Technology Inc., Shenzhen, CN;
Primary Examiner:
Int. Cl.
CPC ...
B29C 64/277 (2017.01); B29C 64/124 (2017.01); B29C 64/393 (2017.01); B33Y 10/00 (2015.01); B33Y 30/00 (2015.01); B33Y 50/02 (2015.01);
U.S. Cl.
CPC ...
B29C 64/277 (2017.08); B29C 64/124 (2017.08); B29C 64/393 (2017.08); B33Y 10/00 (2014.12); B33Y 30/00 (2014.12); B33Y 50/02 (2014.12);
Abstract
Fast 3D printing with high resolution is made possible by projecting light and an image from optical light engine comprises a micro display chip and a light source, through a projection lens of a multi-projection lens system onto printing material, e.g., a curable resin, wherein the multi-projection lens system comprises two or more projection lenses each with different imaging ratios wherein the image and light are projected through only one projection lens of the multi-projection lens system at a time.