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TFT Defect Repair in LCD Panel Assembly

Flat Panel Display Production

Taiwan

Introduction

LCD Panels can have defects that need to be repaired during the panel assembly process.

Spending resources to find problems, but not being able to solve them in the most efficient

way degrades the flow of the entire process. LCD panels have infinitesimal arrays and cells

embedded in the panels, and require a precise laser to fix the minor defects in the pixels.

Therefore, it is critical to have a flexible and fast repairing system that will efficiently fix

problems and at the same time not impede the overall flow.

Project Requirements

To be successful, manufacturers have to balance

the need for consumer demand, resources and

competition. Although balancing these factors can

be difficult, the key is to focus on managing day

to day production. The most efficient method to

manage production is a PC-based distributed motion

control system. It allows for an open architecture

with excellent expansion capabilities and high

compatibility.

To formulate such a system, we need the following

components:

•

A master control card for handling all the

commands and data flow

•

A motion control card for the laser positions

and orientations

•

An isolated digital I/O card for the command

and handshakes between stations

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Advantech PCI-1241 Especificaciones Pagina 10