![]() The temperature that the board passes as it is processed through the oven is called Profile. The set-up of temperatures for all of the zones and the belt speed is referred to as SMT Program. This set point corresponds to the temperature the circuit board should be exposed to as it passes through that zone. During the SMT reflow process, the zones are programmed with a thermal set point. Depending on the length and throughput of the oven there may be few zones, 8 or less, or many zones, 12 or more. Inline Reflow Ovens are configured with a number of heating zones followed by cooling section(s). The maximum temperature assemblies can reach is limited by the boiling point of the medium. There is no need for any protective gas (e.g.
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