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Laser Marking for Microchips

Semiconductor Production

Taiwan

Introduction

One of the final steps in the production of microchips is the printing of the information on the

chip itself. Most chips just have a batch number and logo, but there is a new trend to include

more information and have more complex patterns printed on the chips as well.

A customer used Advantech’s PCI-1761, PCI-1240U, FPM-3120 and ACP-4001 with a machine

vision system to create a fully automatic laser marker for microchips. By using PC-based

products, their new system is more powerful, more versatile, and can easily adapt to changes

in the market.

Project Requirements:

When the pattern to print on a microchip becomes

more than just a few dots, transferring it to a

PLC through a decoding program can become

troublesome. Logos and patterns are often created

in AutoCAD, Pro/E and other PC-based applications.

Using a PC over a PLC allows operators to load these

patterns directly into the machine instead of having

to go through an additional decoding process. This

results in a faster turnaround and the capability to

have more complex designs.

To fully automate this system, machine vision is

necessary. And for high quality machine vision, the

captured images are so large that only a computer

can process them. It was fairly obvious that if the

whole system was PC-based, system integration

would become easier. The requirement was therefore

to get a PC-based system to replace the customer’s

low-performance PLC-based system.

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Advantech PCI-1241 Especificaciones Pagina 18