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:
Sep. 26, 2000
Filed:
Jun. 09, 1997
Paul McKay Moore, Burlingame, CA (US);
National Semiconductor Corporation, Santa Clara, CA (US);
Abstract
Applying layers of dielectric material to a reflective conductive surface of an integrated circuit, increases the reflectance of the surface. The layers of dielectric material alternate between high and low indices of refraction. To enable incident light waves to undergo a uniform phase change as the waves pass between the dielectric materials, the thickness of each of the layers of dielectric material is established such that each of the layers of dielectric material have a substantially equal optical thickness. As a result, when he dielectric layers reflect incident light waves, the reflected light waves constructively interfere to increase the reflectance of the surface of the integrated circuit.