PYRAMID, APPLE and BRIDGE!
Автор: Tech Will Save Us
Загружено: 2015-05-29
Просмотров: 2054
Описание:
Types of solder joints
PYRAMID:
the perfect solder joint is often referred to as a pyramid or little hill. This shows that the heat has been distributed evenly and you have a great connection between board and component.
APPLE:
If you get big balls of solder or what we call apples this is what indicated a cold joint. This means the component and the pad were not heated equally and you don’t have a very good connection. Normally there will still be some gold pad showing or the solder will be sitting completely off the pad.
BRIDGE:
Each component on the board has its own job to do and is linked very specifically to another. When the solder bridges a component that isnt meant to be joined it often causes a short circuit meaning your circuit as a whole won’t work.
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