Support member having layers sensitive to different wavelengths

Details Support member having layers sensitive to different wavelengths Support member having layers sensitive to different wavelengths

1992-08-25

1993-08-31

Nelms, David C.

Radiant energy

Photocells; circuits and apparatus

Optical or pre-photocell system

209577, H01J 314

Patent

active

052411710

ABSTRACT:
A support member for supporting objects undergoing inspection, the support member having an uppermost layer whose color is highly reflective in predetermined wavelengths in the range 580 to 1000 nm, the uppermost layer being in direct contact with a further layer which further layer is disposed below the uppermost layer and which reflects at least 70% of any light falling on it having predetermined wavelengths in the range 360 nm to 870 nm.

REFERENCES:
patent: 4057352 (1977-11-01), Babb
patent: 4352430 (1982-10-01), Maier et al.
patent: 4609108 (1986-09-01), Hristozov et al.
patent: 4917500 (1990-04-01), Lugos

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