Positions display screen assembly on funnel edge and aligns screen with reference points on funnel. Pushes jig onto conveyor leading into oven to fuse funnel and display screen assembly into bulb. Places bulb on holding fixture of sprayer to coat interior surface of bulb with protective layer of lacquer. Places bulb onto holding fixture of evaporation equipment to apply aluminized coating to interior surface of bulb. Places bulb onto conveyor that carries bulb through processing stations to preheat bulb, insert and fuse gun to neck of bulb to form tube, and anneals and cools tube assembly.
Places tube onto cart or conveyor for further processing.
Inspects tube for imperfections, such as blemishes, coating defects, scratches, bubbles, or stains, using magnifier, ultraviolet light, inspection booth, or unaided vision.