Etching of shadow mask electrodes

Details Etching of shadow mask electrodes Etching of shadow mask electrodes

1974-06-28

1976-10-19

Powell, William A.

Adhesive bonding and miscellaneous chemical manufacture

Methods

156 11, 156345, C23F 102

Patent

active

039869113

ABSTRACT:
The shadow mask of a color cathode ray tube is supported upside down in an etching machine and the etchant is directed vertically upward from beneath the shadow mask. By upside down is meant that the apertured mask faces downward while the surrounding frame faces vertically upward.

REFERENCES:
patent: 2762149 (1956-09-01), Mears
patent: 2822635 (1958-02-01), Mears
patent: 2895814 (1959-07-01), Clark
patent: 2961314 (1960-11-01), Amdursky et al.

Affiliated with

Also associated with

Rating

Etching of shadow mask electrodes does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Etching of shadow mask electrodes, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Etching of shadow mask electrodes will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-100234