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. 12, 2010
Filed:
Sep. 12, 2005
Ho-suk Kang, Seoul, KR;
Jun-hee Choi, Suwon-si, KR;
Byong-gwon Song, Seoul, KR;
Ha-jong Kim, Seongnam-si, KR;
Ho-Suk Kang, Seoul, KR;
Jun-Hee Choi, Suwon-si, KR;
Byong-Gwon Song, Seoul, KR;
Ha-Jong Kim, Seongnam-si, KR;
Samsung SDI Co., Ltd., Yeongtong-gu, Suwon-si, Gyeonggi-do, KR;
Abstract
A Field Emission Device (FED) and its method of manufacture includes: forming a substrate; forming a cathode having a cathode aperture on an upper surface of the substrate; forming a material layer having a first through hole with a smaller diameter than that of the cathode aperture on an upper surface of the cathode; forming a first insulator having a first cavity on an upper surface of the material layer; forming a gate electrode having a second through hole on an upper surface of the first insulator; and forming an emitter in a central portion of the cathode aperture.