In our industry, I think you can hear “Dead key of metal dome“, but what does this mean, do you know?
Dead key of metal dome is that when you press the metal dome to contact PCB board, the metal dome can’t rebound to original state. Generally speaking is that you press down but can’t rebound back. This is for metal dome as a switch function is deathful.
Dead key of metal dome is happened mainly due to too high travel in designing, when the travel is too high, it is easy to be caused the phenomenon of death key. Also, there may be reaching its expected life, reduce the rebound force, then happen dead key phenomenon.
Our company to produce the metal dome without the dead key phenomenon, especially our four-leg metal dome, we can ensure its high quality and low price products to catch marketing.
