Electrode assembly and discharge lamp comprising the same
An electrode assembly suitable for employment with low-pressure discharge lamps, and especially discharge lamps made from borosilicate glass. The electrode assembly comprises a hollow, stepped electrode holder having a tubular upper portion and a cylindrical lower portion comprising a tapered edge, and an electrode shell fastened to the tubular upper portion of the electrode holder. The electrode assembly may also further comprises a glass ring fused to the tapered edge of cylindrical lower portion of the electrode holder. The electrode assembly is suitable for use with low-pressure discharge lamps comprising glass tubes and low-pressure discharge lamps comprising envelopes having a gas-discharge channel. In a low-pressure discharge lamp, the electrode assembly of the present invention may be used as the discharge source, the evacuation and backfill site, and the seal site.
Corning Incorporated
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James G. Jackson P Wayne P
Anderson Trentelman Strattman