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:
Oct. 17, 2017
Filed:
Oct. 10, 2014
Applicants:
Industrial Technology Research Institute, Hsinchu, TW;
National Tsing Hua University, Hsinchu, TW;
Inventors:
Yen-Wan Hsueh Liu, Hsinchu, TW;
Zhen-Fan You, Sanxing Township, TW;
Assignees:
INDUSTRIAL TECHNOLOGY RESEARCH INSTITUTE, Hsinchu, TW;
NATIONAL TSING HUA UNIVERSITY, Hsinchu, TW;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
A61N 5/10 (2006.01); G21K 1/10 (2006.01); G21G 4/02 (2006.01);
U.S. Cl.
CPC ...
A61N 5/1077 (2013.01); G21G 4/02 (2013.01); A61N 2005/109 (2013.01); A61N 2005/1095 (2013.01); G21K 1/10 (2013.01);
Abstract
Disclosed is a filter including a second layer disposed between a first layer and a third layer. The first layer is composed of iron. The second layer is composed of 1 part by volume of lithium fluoride, 20 to 50 parts by volume of aluminum, and 50 to 80 parts by volume of aluminum fluoride. The third layer is composed of 1 part by weight of lithium fluoride and 99 to 100 parts by weight of magnesium fluoride.