HARDWARE / PRODUCTAdded 23 Jul 2026

Composite Spacecraft Structures and Booms

CTD (Composite Technology Development)
Composite Spacecraft Structures and Booms

Composite Technology Development's (CTD) carbon fiber reinforced polymer spacecraft booms, solar array substrates, antenna reflectors, and precision space structures.

Typed specifications1 values

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Material (as printed)
CFRP (carbon fiber reinforced polymer), graphite/cyanate ester, M55J/RS-3
product page

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As published by the supplier6 lines, in the manufacturer's own wording
Products
Composite booms, solar array substrates, antenna reflectors, structural panels
Boom types
Deployed by spring (bistable) or motorized; self-deploying shape-memory variants
Material
CFRP (carbon fiber reinforced polymer), graphite/cyanate ester, M55J/RS-3
Cte
Near-zero CTE achievable for dimensionally stable optical structures
Customers
JPL, NASA Goddard, commercial satellite OEMs
HQ
Boulder, Colorado, USA (founded 1993)

About

Composite Technology Development (CTD) is a Boulder, Colorado-based company specializing in high-performance composite structures for space — including deployable booms, precision antenna reflectors, solar array substrates, and structural panels for satellite primary structures. CTD was founded in 1993 and focuses on applying advanced polymer matrix composites to the unique demands of the space environment.

CTD’s deployable composite booms are used for deploying solar arrays, magnetometers, and antennas at controlled distances from the satellite bus to avoid electromagnetic interference. Carbon fiber booms with extremely low coefficient of thermal expansion (CTE) maintain dimensional stability across the wide temperature cycles experienced in LEO orbit. CTD’s bistable composites (thermally deployable using shape-memory polymers) enable very compact stowage with reliable self-deploying extension.

CTD also makes ultra-lightweight carbon fiber honeycomb sandwich panels for satellite equipment decks and structural walls, achieving high stiffness-to-mass ratios that minimize launch mass. The company has been a frequent supplier to JPL, NASA Goddard, and commercial satellite manufacturers. CTD also develops radiation-resistant polymer matrix materials for the GEO belt environment and manufactures antenna dish reflectors and solar concentrator substrates requiring optical-grade surface finish.

Documentation

No public datasheet yet — request the datasheet / ICD from the supplier.

Source: www.ctd-materials.com ↗

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