Amalgam retainer

Details Amalgam retainer Amalgam retainer

2005-02-01

2005-02-01

Williams, Joseph (Department: 2879)

Electric lamp and discharge devices

With luminescent solid or liquid material

With gaseous discharge medium

C313S560000, C417S048000

Reexamination Certificate

active

06849998

ABSTRACT:
An arc discharge lamp has an arc chamber with an amalgam tip attached to and communicating with the arc chamber through a constricted area. An amalgam retainer is positioned in the arc chamber and is abutted against the constricted area. The amalgam retainer is vibration-insensitive, solid and liquid amalgam impervious and mercury vapor pervious. An amalgam is contained within the amalgam tip.

REFERENCES:
patent: 5075160 (1991-12-01), Stinton et al.
patent: 5629584 (1997-05-01), Borowiec et al.
patent: 5828169 (1998-10-01), Myojo et al.
patent: 54069271 (1979-04-01), None

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