Incandescent illuminating device with antifragility coating

Details Incandescent illuminating device with antifragility coating Incandescent illuminating device with antifragility coating

H - Electricity

01

K

117/162, 313/172

H01K 1/32 (2006.01)

Patent

CA 1187747

ABSTRACT An incandescent illuminating device having an antifragility coating covering at least a substantial portion of the glass envelope, the antifragility coating comprising a mixture of a relatively clear, resilient heat-stable polymer capable of adhering to glass and a plurality of light-transmitting, impact-absorbing particles, which are preferably small, hollow, heat-stable, frangible microspheres. The particles, preferably hollow microspheres, constitute from about 20% to about 60% by volume of the cured antifragility coating and are essentially colorless, have a high degree of light transmissivity, and have a low density and a diameter less than about the thickness of the antifragility coating. The particles act as a sacrificial material to absorb an impact giving the coating antifragility properties.

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