What is it about?
It is about closed-loop controlled heating system. It heats surface mount (SM) components up to reflow temperature (above 200 0C) using infra-red (IR) heat source and measure the temperature of the reflowed components using IR temperature sensor.
Featured Image
Why is it important?
It summarizes the principle of non-contact measurement and importance of emissivity for non-contact temperature measurement. The results of the true emissivity of the SM electronic components that were determined experimentally under the set conditions are presented. It is one of the first attempt to use infra-red (IR) as a heat source and as a measuring tool in SM component rework. The application of closed-loop controlled IR based rework-reflow system automation is also provided.
Perspectives
I hope this article can be useful for those who are interested in closed-loop controlled systems using IR heat source and IR temperature measuring sensor. A real time closed-loop controlled rework-reflow system was developed in this study. It is capable of reflowing all SM components regardless of their heat loads, type of PCBAs and positions of components on PCBAs using IR technology and works well.
Prof. Dr. Necdet Geren
University of Çukurova
Read the Original
This page is a summary of: NON-CONTACT TEMPERATURE MEASUREMENT IN SM COMPONENT REWORK, Journal of Electronics Manufacturing, June 1995, World Scientific Pub Co Pte Lt,
DOI: 10.1142/s0960313195000165.
You can read the full text:
Contributors
The following have contributed to this page
