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. 28, 2011
Filed:
Dec. 15, 2009
Ching-cherng Sun, Taoyuan County, TW;
Yeh-wei Yu, Hsinchu County, TW;
Yi-chien Lo, Miaoli County, TW;
Din-ping Tsai, Taipei, TW;
Chih-yuan Cheng, Tainan County, TW;
Ching-Cherng Sun, Taoyuan County, TW;
Yeh-Wei Yu, Hsinchu County, TW;
Yi-Chien Lo, Miaoli County, TW;
Din-Ping Tsai, Taipei, TW;
Chih-Yuan Cheng, Tainan County, TW;
National Central University, Taoyuan, TW;
Abstract
A near field optical disc and a near field optical disc reading apparatus are provided. The near field optical disc has at least one light source and a near field optical pick-up head, and the near field optical disc includes a light guiding substance, a first reflection layer and a second reflection layer. The light guiding substance has a first surface, a second surface opposite thereto and at least one light entrance window. Light emitted from the light source enters the light guiding substance through the light entrance window. The second reflection layer is disposed on the second surface. The first reflection layer is disposed on the first surface and has a plurality of light pervious holes. A part of the light is transmitted through the light pervious holes and picked up by the near field optical pick-up head.