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.

Date of Patent:
Feb. 27, 2024

Filed:

Nov. 06, 2020
Applicant:

Industry-academic Cooperation Foundation, Dankook University, Yongin-si, KR;

Inventor:

Daekeun Kim, Seoul, KR;

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B29C 64/393 (2017.01); G02B 26/02 (2006.01); B29C 64/135 (2017.01); B33Y 50/02 (2015.01); B33Y 10/00 (2015.01); B33Y 30/00 (2015.01); B29C 64/268 (2017.01);
U.S. Cl.
CPC ...
B29C 64/393 (2017.08); B29C 64/135 (2017.08); B29C 64/268 (2017.08); B33Y 10/00 (2014.12); B33Y 30/00 (2014.12); B33Y 50/02 (2014.12); G02B 26/02 (2013.01);
Abstract

A 3D printer capable of adjusting a light transmission rate includes: a plate on which a forming material is disposed; a light source disposed above the plate and emitting light for curing the forming material; a course setting unit setting a processing course of the light emitted to the forming material; a beam shifting speed determination unit determining a beam shifting speed in each processing zone of the processing course set by the course setting unit; and a light transmission rate adjustment unit disposed between the forming material and the light source and adjusting a transmission rate of the light emitted to the forming material based on the beam shifting speed in each processing zone of the processing course.


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