Space-Qualified Ultra-thin Cover Glass: Starveil™

Make your equipment longer lifespan and lightweight

Starveil™ is a space-qualified ultra-thin cover glass, suitable for satellite solar cells and various equipment used in outer space. The glass has high ultraviolet rays shielding property, protecting equipment from ultraviolet rays as well as air and water, which contributes to longer lifespan.
Additionally, thinness and lightweight of the glass contribute to weight reduction of satellites and equipment.

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Applications
Features
Specifications
Event Information

Applications

Perovskite solar cells
Satellites (solar cells, optics covers, etc.)

image of perovskite structure with solar cells

photo of a satellite with extended solar paddles

Features

High UV shielding properties
Effectively blocks UV-C to UV-B rays and can be combined with a UV cut filter.
Flexibility
Bendable.
High gas barrier properties
Protects devices from water and oxygen degradation.
Thinness
Available in ultra-thin options, with a minimum thickness of 30µm.
Lightweight
Weighs approximately 246g/m² (for a 100µm-thick plate).

Specifications

Properties

Properties/Glass code			BDX-2
Density		×10³kg/m³	2.46
Coefficient of thermal expansion	30～380℃	×10^-7/K	79
Strain point		℃	550
Annealing point		℃	595
Softening point		℃	805
Transmittance (thickness: 100μm)	λ=550nm	％	92
	λ=400nm		91
	λ=350nm		90
	λ=300nm		20
Refractive index	nd(587.6nm)		1.52