Editing Heating element (section)

==== Ribbon ====
''Resistance ribbon'' heating elements are made by flattening round resistance wire, giving them a rectangular cross-section with rounded corners.<ref name=":1" />{{Rp|page=54}} Generally ribbon widths are between 0.3 and 4&nbsp;mm. If a ribbon is wider than that, it is cut out from a broader strip and may instead be called resistance ''strip''. Compared to wire, ribbon can be bent with a tighter radius and can produce heat faster and at a lower cost due to its higher surface area to volume ratio. On the other hand, ribbon life is often shorter than wire life and the price per unit mass of ribbon is generally higher.<ref name=":1" />{{Rp|page=55}} In many applications, resistance ribbon is wound around a mica card or on one of its sides.<ref name=":1" />{{Rp|page=57}}