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:
Jul. 18, 2023
Filed:
Mar. 26, 2020
Applicant:
Young Optics Inc., Hsinchu, TW;
Inventors:
I-Chih Tseng, Hsinchu, TW;
Ming-Feng Ho, Hsinchu, TW;
Assignee:
Young Optics Inc., Hsinchu, TW;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B29C 64/245 (2017.01); B33Y 30/00 (2015.01); B29C 64/135 (2017.01); B29C 64/124 (2017.01); B29C 64/264 (2017.01);
U.S. Cl.
CPC ...
B29C 64/245 (2017.08); B29C 64/124 (2017.08); B29C 64/135 (2017.08); B29C 64/264 (2017.08); B33Y 30/00 (2014.12);
Abstract
A three dimensional printing apparatus including a carrying plate, a transparent plate, an elastic film, and a bump is provided. The transparent plate is disposed on the carrying plate. The elastic film is disposed on the transparent plate. The bump is disposed between the elastic film and the carrying plate. An interface between the transparent plate and the elastic film is in communication with an external space through a fluid channel between each bump and the elastic film. An orthographic projection area of the bump on the transparent plate is not more than ¼ of a surface area of the transparent plate.