NTN Develops Rib Repair System For Plasma Displays(Pic)
Resource from: CBCC Likes:2954
Dec 22,2005
NTN Corporation has developed a rib-repair system targeting the flat-panel display (FPD) repair market. Using 3Dmicro-deposition technology, this system is able to rapidly fill in defects in the ribs (thin walls about 0.1 –0.2 mm high to 0.05–0.06 mm wide) in the back panels of plasma displays, with a uniform width.
As flat-panel displays grow larger and have greater resolution, there is a demand for technologies to repair some types of defects occurring in glass panels, to make them usable. The industry is requiring these systems to perform repairs more rapidly and improve the quality of the repairs.
Conventional plasma-display repair devices fill in ribs with repair fluid. It is then baked, solidifying the fluid and completing the repair. Although it is relatively easy to repair small rib defects using this technique repairing complex, larger rib defects requires multiple coatings of repair fluid, costing large amounts of time.
The system developed by NTN features the ability to rapidly form a three-dimensional micro-pattern by funneling atomized repair fluid using sheath gas (compressed gas), and spraying it onto a heated rib defect. As a result, the system can easily repair larger rib defects of several hundred microns, which were difficult for conventional repair systems. Additionally, the deposition is nearly the same width as the ribs, improving repair quality by preventing ribs from side drop after the repair.
[Rib Repair Features]
1. Can Form Deposition Patterns
The system is capable of forming 3D deposit layers, by spraying atomized repair fluid in layers over the defect through a nozzle. This method makes it easy to repair deep and long defects.
2. Capable of High Quality Repairs
The addition of baking and tape-polishing features to the system enables the repair to have the same width and height as the rib.
[Target Market]
Rib defects in plasma displays
[Contact]
Sales Engineering Department,
Precision Equipment Division
Phone: 03-5487-2867
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