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:
Mar. 11, 2014
Filed:
Dec. 18, 2012
Tsinghua University, Beijing, CN;
Hon Hai Precision Industry Co., Ltd., New Taipei, TW;
Tsinghua University, Beijing, CN;
Hon Hai Precision Industry Co., Ltd., New Taipei, TW;
Abstract
A field emission electron source array includes a number of field emission electron sources aligned side by side. Each field emission electron source includes a linear carbon nanotube structure, an insulating layer and a conductive ring. The linear carbon nanotube structure has a first end and a second end. The insulating layer is coated on an outer surface of the linear carbon nanotube structure. The first conductive ring includes a first ring face and a second ring face, and the first ring face is coplanar with an end surface of the first end of the linear carbon nanotube structure.