Electrostatic coating of silica powders on incandescent bulbs

C - Chemistry – Metallurgy – 09 – K

Patent

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31/120, 117/54

C09K 3/00 (2006.01) C03C 17/22 (2006.01) C03C 17/23 (2006.01) H01K 1/32 (2006.01) H01K 3/00 (2006.01)

Patent

CA 1088293

ABSTRACT OF THE DISCLOSURE An improved electrostatically deposited silica coating on the interior of a glass bulb for in incandescent lamps obtained by controlling the particle size and resistivity of the silica powder.

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