Printing screen with improving side-bottom ratio

Details Printing screen with improving side-bottom ratio Printing screen with improving side-bottom ratio

2007-04-17

2007-04-17

Williams, Joseph (Department: 2879)

Electric lamp or space discharge component or device manufacturi

Process

With assembly or disassembly

Reexamination Certificate

active

10905193

ABSTRACT:
A printing screen, printing process and method for improving side-bottom ratio are provided. The printing screen mainly comprises a plurality of printing units, wherein each of the printing units comprises a body and a protrusion structure. The body has an ink aperture, and the protrusion structure extends from a surface of the body into the ink aperture. The printing process of a fluorescent layer in a plasma display panel utilizing the said printing screen can enhance the uneven film thickness of the fluorescent layer on the bottom of a discharge chamber, and further improve the side-bottom ratio of the fluorescent layer in a plasma display panel.

REFERENCES:
patent: 7045944 (2006-05-01), Ushifusa et al.

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