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:
Jan. 31, 2017
Filed:
Oct. 03, 2014
Applicant:
Tera Xtal Technology Corporation, Hsinchu, TW;
Inventors:
Wei-Hsiang Wang, Hsinchu, TW;
Chen-Hui Wu, Hsinchu, TW;
Assignee:
TERA XTAL TECHNOLOGY CORPORATION, Hsinchu, TW;
Attorneys:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H04N 5/222 (2006.01); H04N 5/225 (2006.01); H04N 5/232 (2006.01); G02B 1/02 (2006.01); G02B 5/30 (2006.01); G02B 27/00 (2006.01); G02B 27/46 (2006.01);
U.S. Cl.
CPC ...
H04N 5/23293 (2013.01); H04N 5/2254 (2013.01); G02B 1/02 (2013.01); G02B 5/3083 (2013.01); G02B 27/0006 (2013.01); G02B 27/46 (2013.01);
Abstract
A camera device includes a lens module and a birefringent sapphire lens. The sapphire lens is coupled to the lens module as a light window to protect the lens module. The sapphire lens has a crystal structure and a crystal axis. The crystal structure is a single-crystal structure and the crystal axis is one of c-axis (0001), a-axis [including (110), (110), (20), (20), (110) and (20)], m-axis [including (010), (100), (010), (100), (100), and (010)], and r-axis [including (101), (01), (01), (011), (10) and r-axis (101)].