Television picture tube with aperture mask having recesses there

Details Television picture tube with aperture mask having recesses there Television picture tube with aperture mask having recesses there

1982-09-13

1985-05-21

Demeo, Palmer

Electric lamp and discharge devices

Cathode ray tube

Shadow mask, support or shield

H01J 2907

Patent

active

045188920

ABSTRACT:
A television tube having an electron gun and an aperture mask with a plurality of line of sight openings in the aperture mask wherein the line of sight openings in the aperture mask are partially defined by material on the cone side surface of the aperture mask and partially defined by material on the grade side surface of the aperture mask with the aperture opening size and shape varying in accordance with the position of the opening in the aperture mask. Two techniques known as the capital I and capital H resist layout techniques are taught to illustrate the formation of the aperture mask.

REFERENCES:
patent: 2690518 (1954-09-01), Fyler et al.
patent: 3770434 (1973-11-01), Law
patent: 3787939 (1974-01-01), Tomita et al.
patent: 3809945 (1974-05-01), Roeder
patent: 3882347 (1975-05-01), Suzuki et al.
patent: 3883770 (1975-05-01), Yamada et al.
patent: 3916243 (1975-10-01), Brown

Affiliated with

Also associated with

Rating

Television picture tube with aperture mask having recesses there does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Television picture tube with aperture mask having recesses there, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Television picture tube with aperture mask having recesses there will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-1540567