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. 15, 2003
Filed:
Jul. 20, 2000
Suraj P. Rawal, Littleton, CO (US);
Frank M. Kustas, Parker, CO (US);
Lockheed Martin Corporation, Bethesda, MD (US);
Abstract
A lightweight insulating sandwich tile ( ) having applications such as spacecraft and reusable launch vehicle thermal protection is disclosed. In one embodiment, the lightweight insulating sandwich tile ( ) includes an outer structural facesheet ( ) that is bonded or co-cured with an inner insulating core ( ). The outer structural facesheet ( ) is comprised of carbon-carbon and includes an oxidation resistant layer ( ) on an outer surface thereof. The oxidation resistant layer ( ) may comprise a coating or surface treatment of, for example, MoSi , amorphous SiCN, amorphous SiCBN, Ti SiC , HfC, HfO , HfB , SiC, Ir, and ZrB . The inner insulating core ( ) is comprised of bonded discontinuous carbon fibers, a network of vitreous carbon ligaments, carbon aerogel, or graphite felt or a hybrid combination of these materials.