Protective device for optical elements

Details Protective device for optical elements Protective device for optical elements

1979-05-08

1980-12-23

Henry, Jon W.

Cleaning and liquid contact with solids

Apparatus

Sequential work treating receptacles or stations with means...

1525001, 134199, G02B 700

Patent

active

042406919

ABSTRACT:
A device for keeping an outer surface of an optical element clean, said element being located in surroundings where deposits can be quickly formed on said element. The device has a protective device or screen with an opening placed in front of the surface to be protected. This opening has inner walls extending out from said surface of the optical element. The screen has a slot, which extends peripherally around the edge of the opening facing the surface to be protected, and gas is forced to stream through the slot. At least a part of the inner surface of the opening has an inwardly projecting part having a surface remote from the optical element which is parallel to or inclined outwardly from a symmetrical plane through the element.

REFERENCES:
patent: 3516723 (1970-06-01), Guier
patent: 3565516 (1971-02-01), Thomas et al.
patent: 3725028 (1973-04-01), Cramer

Affiliated with

Also associated with

Rating

Protective device for optical elements does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Protective device for optical elements, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Protective device for optical elements will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-2239334