*2.1.4 Reflow oven*

Reflow ovens heat the prototype up to high temperatures to melt the welding paste and solder the prototype. The pressure must be applied with auxiliar elements such as

**Figure 2.** *Multipress machine.*

**Figure 3.** *Milling machine.*

screws and nuts. Temperature can be selected to fit the recommended values and times for each soldering paste, this oven reaches around 270 °C (it can be higher depending on the specific model) with 1°C resolution steps. In **Figure 4**, an example of these machines can be seen.
