What is the metal dome?

Metal Dome, also called Snap Dome, which is made of stainless steel SUS301, an important part of the switch. it has advantage of stable contact,sensitive conductive & good feel. 

Normally, Metal dome can be sorted by shape of oblong metal dome, Triangle metal dome,4-Legged Metal dome & Round Metal dome. Also can be divided into stainless steel, Nickel palted,Silver plated and Gold plated from appearance treatment.

Round Metal Dome :  it's normally used in the electronic devices with small volume due to less space demand , also has good advantage in the feature of feels ,force and longer lifetime .

Oblong Metal Dome : is almost used for any products which round metal dome used , which shape is cutting off 2sides from round snap dome , when design area is too small to place round shape , it can use oblong snap dome insteaded .

4-Legged Metal Dome : when designer reserve sufficient space & request bigger stroke travel , C-series metal dome will be prior to select to use , it’s often used in the handheld device,medical device and large banking equipment .

Triangle Metal Dome : Under the conditions of small designed space,requested good feels & must meet bigger pressing force , Triangle shape will be the best option , also it’s divided into w/feet or w/o feet , and it’s decide by PCB thickness & assembly method .

   Major Parameter of Metal Dome