Stock material or miscellaneous articles – Composite – Of bituminous or tarry residue
Patent
1989-06-13
1990-10-23
Brown, Brian W.
Stock material or miscellaneous articles
Composite
Of bituminous or tarry residue
350273, 428113, 428408, G03B 940
Patent
active
049656171
ABSTRACT:
A thin plate composed of a carbon fiber reinforced plastic laminate of at least three reinforced resin sheets, in which each of the reinforced resin sheets is composed of continuous carbon fibers oriented in a perdetermined direction and matrix resin enveloping the continuous fibers, the intermediate sheet contains black pigment in an amount of 5 to 15 wt. %, the outer sheets are substantially devoid of black pigment, and the thin plate has a thickness of 60 to 120 .mu.m.
REFERENCES:
patent: 4482231 (1984-11-01), Kato et al.
Brown Brian W.
Nikon Corporation
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