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:
Jul. 17, 2012
Filed:
Oct. 31, 2007
J. Gary Eden, Mahomet, IL (US);
Sung-jin Park, Yong-In, KR;
Clark J. Wagner, Urbana, IL (US);
The Board of Trustees of the University of Illinois, Urbana, IL (US);
Abstract
The cavitydefines an empty volume formed in the insulatorhas its walls defined by the insulatorand may extend through either (or both) the first electrodeor the second electrode, in which case the first electrode and/or second electrode also define the walls of the cavity. The cavityis preferably cylindrical and has a diameter of 0.1 μm-1 mm. More preferably, the diameter ranges from 0.1 μm-500 μm, 1 μm-100 μm, or 100 μm-500 μm. The cavitywill be filled with a gas that contacts the cavity walls, fills the entire cavityand is selected for its breakdown voltage or light emission properties at breakdown. Light is produced when the voltage difference between the first electrodeand the second electrodecreates an electric field sufficiently large to electrically break down the gas (nominally about 10V-cm). This light escapes from the microcavitythrough at least one end of the cavity