タイトルまたは説明
Metal domes is a stainless steel normally open switch accessory ,
also known as : tactile metal domes , metal snap domes , tactile
domes , dome switchs , click domes , snap domes and so on
.
Metal domes have excellent conductivity , Good touch on the keys
and long life . It is often used in various electronic products
such as membrane switches , metal keyboards , and PCB board
assemblies .
The metal dome on the membrane is located on the conductive
part of the PCB board . When pressed , the center point of the dome
is concave and contacts the line on the PCB , thereby forming a
loop . After the pressure is cancelled , the dome can be
automatically returned , the circuit Disconnected , thus forming a
switch function .
According to the shape , the dome can be divided into cross domes
(also known as four-corner domes , four-leg domes) , round domes ,
triangular domes , oblong domes , and others shape domes , etc
.
The size of the dome is from 3mm to *0mm , and the trip force from
*0g to **0g . According to the type of product coating , the dome
can be divided into stainless steel domes , gold-plated domes ,
nickel-plated domes and so on . A wide range of pots and chips can
meet the needs of different products .
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