Diffusion plate

Details Diffusion plate Diffusion plate

1981-06-18

1984-01-24

Henry, Jon W.

350167, G02B 502

Patent

active

044272650

ABSTRACT:
This application relates to a diffusion plate having microlens-like curved surfaces of a size of 10 to several tens of .mu.m arranged periodically in two dimensions on the surface of the substrate thereof. Curved surfaces are formed between the microlens-like curved surfaces. Further, irregularly arranged minute concave and/or convex surfaces are formed on the microlens-like curved surfaces.

REFERENCES:
patent: 2275602 (1942-03-01), Beck et al.
patent: 4336978 (1982-06-01), Suzuki

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