NASA SBIR 00-II Solicitation

FORM 9B - PROPOSAL SUMMARY


PROPOSAL NUMBER: 17.02-9094 (For NASA Use Only - Chron: 000907 )
PROPOSAL TITLE: Composites of Fiber-Reinforced Ultra Thin Films for X-ray Applications

TECHNICAL ABSTRACT (LIMIT 200 WORDS)
The throughput on missions such as the Chandra X-ray Observatory has been increased significantly through the use of metalized polyimide filters. Future missions such as Constellation-X require higher transmittance across a large range of energies. Phase I proposed to determine the feasibility of improving the overall transmittance and strength of thin foil filters through the use of innovative new film supports made from Kevlar or similarly strong advanced fibers. At low x-ray energies, the reinforcing fiber structure will have higher transmittance than the often-required metal mesh that it will replace. At energies above about 3 keV, the reinforcement will become nearly invisible, and improvements in mission throughput will be even more significant. Feasibility was clearly demonstrated during Phase I in that thin polyimide films, (1400? thick), reinforced with orthogonal, 72 line-per-inch, 12 ?m Kevlar fiber support, were shown by test to be more than 200% stronger relative to standard nickel mesh supported films. This same Kevlar mesh, metalized for opacity, was shown to increase transmittance by 12 to 15% over nickel mesh of similar pitch. Thus, when developed, this innovation will provide substantially greater scientific throughput for future NASA missions.

POTENTIAL COMMERCIAL APPLICATIONS
Filters for extreme ultraviolet lithography (EUVL)
Detector windows for scanning electron microscopy utilizing Energy Dispersive Spectroscopy (EDS)

NAME AND ADDRESS OF PRINCIPAL INVESTIGATOR (Name, Organization Name, Mail Address, City/State/Zip)
Heidi C.H. de Lopez
Luxel Corporation
P.O. Box 1879
Friday Harbor , WA   98250 - 1879

NAME AND ADDRESS OF OFFEROR (Firm Name, Mail Address, City/State/Zip)
Luxel Corporation
P.O. Box 1879
Friday Harbor , WA   98250 - 1879


Form Printed on 11-26-01 17:18