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:
Jun. 16, 2015
Filed:
Feb. 11, 2014
Snu R&db Foundation, Seoul, KR;
Sung-Hoon Ahn, Seongnam-si, KR;
Gil-Yong Lee, Seoul, KR;
SNU R&DB FOUNDATION, Seoul, KR;
Abstract
Disclosed herein are apparatus and method for transferring, focusing and purging powder for direct printing at low temperature. A filter is provided between an operation chamber housing in which a work target is disposed and a reservoir tank which contains powder to adjust the amount of particles transferred from the reservoir tank into the operation chamber housing. A pressure unit connected to the reservoir tank generates air pressure for applying powder to the work target. A purging unit connected to the reservoir tank generates pressure for returning powder that has remained in the operation chamber housing, the filter, etc. to the reservoir tank after work has been completed. The apparatus is configured such that a series of process of transferring powder to be applied to the surface of the work target and returning remnant powder to the reservoir tank can be rapidly and smoothly conducted.