Ceramic powder

Details Ceramic powder Ceramic powder

2007-10-30

2007-10-30

Green, Anthony J. (Department: 1755)

Compositions: ceramic

Ceramic compositions

Refractory

C252S062000, C252S062550, C252S062580, C252S587000, C501S133000

Reexamination Certificate

active

11477356

ABSTRACT:
A ceramic powder including silicon dioxide, iron oxide, iron, magnesium oxide, aluminum oxide, and a trace element group. The silicon dioxide occupies the powder of total weight from 81% to 86%; the iron oxide occupies the powder of total weight from 12% to 16%; the iron occupies the powder of total weight from 0.5% to 2%; the magnesium oxide occupies the powder of total weight from 0.2% to 0.5%; the aluminum oxide occupies the powder of total weight from 0.05% to 0.3%; and the trace element group occupies the powder of total weight of remains. The powder converts heat energy to electromagnetic radiation not being absorbed by a metallic material but disappearing in the form of light quantum, and provides for heat dissipation from electronic components. The powder converts electromagnetic radiation to far infrared electromagnetic radiation, providing for electromagnetic radiation absorption from the electronic component.

REFERENCES:
patent: 4952463 (1990-08-01), Atsushi
patent: 5145540 (1992-09-01), Foley et al.
patent: 5271965 (1993-12-01), Browning
patent: 6824713 (2004-11-01), Kuzuoka et al.
patent: 62-16407 (1984-01-01), None
patent: 1-215756 (1989-08-01), None
patent: 3-180295 (1991-08-01), None
patent: 5-195427 (1993-08-01), None
patent: 2001-161834 (2001-06-01), None
Derwent-Acc-No. 1981-50930D, abstract of Japanese Patent Specification No. 81-026081B (Jun. 1981).

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