Colour cathode ray tube stretched mask frame construction having slotted sections mask with outer frame tensioner having slot spacings outer section becoming small from centre area.

摘要

The stretched mask frame has a stretched mask (30) with bands (31) of spaced slot sections. A frame (40) supports the mask edges, providing a traction force to the mask. The gap (32) between the slots become smaller in the outer zone of the mask than in the mask inner section.