Focal plates and method of manufacturing the same

Details Focal plates and method of manufacturing the same Focal plates and method of manufacturing the same

1991-09-09

1997-12-09

Henry, Jon W.

Optical: systems and elements

Diffusing of incident light

359574, 396150, G03B 1324, G02B 502, G02B 504

Patent

active

056966300

ABSTRACT:
A focal plate for use in camera and a method of manufacturing the same are disclosed. The focal plate comprises an optical plate, a plurality of lens-like uneven portions regularly formed on the surface of the optical material, and a plurality of fine rugged portions formed on each uneven portion, and is manufactured by forming a pyramid or prism relief on a metal plate through mechanical working, subjecting it to an electroplating to form a honeycomb pattern composed of hexagonal lens faces containing fine rugged portions therein, and then transferring the honeycomb pattern onto a surface of an optical material.

REFERENCES:
patent: 4421398 (1983-12-01), Suzuki et al.
patent: 4427265 (1984-01-01), Suzuki et al.

Affiliated with

Also associated with

Rating

Focal plates and method of manufacturing the same does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Focal plates and method of manufacturing the same, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Focal plates and method of manufacturing the same will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-1612119