This is relative to the previous electronic components of the name, as the name suggests that the patch is affixed to the circuit board, unlike the previous transistor, diode, resistor, capacitor and other electronic components of the welding foot is longer, and there is a certain gap between the circuit board.
The chip type electronic components are closely attached to the circuit board, and also need to be welded, it is because of the large reduction in the size of the electronic components, so there are later small electronic products such as the Walkman, computers, LCD TVS and mobile phones.
Think of how big recorders, radios and televisions used to be. This is the advantage of the chip component for us.