Discharge lamp with base for sealing the lamp
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United States of America Patent
Stats
-
Sep 12, 1989
Grant Date -
N/A
app pub date -
Jul 7, 1987
filing date -
Jul 7, 1986
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A discharge lamp comprises a cylindrical glass bulb with an open bottom and a closed top of dome-shape or flat-shape, a base for holding an anode and a cathode with at least one separation plate for dividing an inner space of the bulb into plural spaces forming a folded discharge path, and the base is directly and airtightly bonded to the bottom opening of the bulb by heat softening of the bulb, and the anode and cathode are also airtightly fixed on the base by selectively melting down of a first adhesive and a second adhesive which each have different melting points.
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