Reflection layers formed from an aluminum oxide particle...

Details Reflection layers formed from an aluminum oxide particle... Reflection layers formed from an aluminum oxide particle...

2007-03-20

2007-03-20

Patel, Vip (Department: 2879)

Electric lamp and discharge devices

With luminescent solid or liquid material

With gaseous discharge medium

C313S635000

Reexamination Certificate

active

10946111

ABSTRACT:
An aluminum oxide particle mixture for reflection layers in discharge lamps, and to discharge lamps of this type. The mixture has a first coarse-grained component and a second fine-grained component, with a primary grain size of preferably d50(1) between 0.3 μm and 0.5 μm and d50(2) of at most 0.05 μm, respectively (with an agglomerated size of the fine particles of less than 0.15 μm).

REFERENCES:
patent: 1 559 589 (1980-01-01), None

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