What metals or other materials are used to make dome contacts?
Metal domes are made of stainless steal and can be plated (typically with Nickel or Gold) to lower contact resistance. All standard DT-Series domes are stainless steel with nickel plating (ROHS compliant).
Metal domes are extremely versatile and can be used in a wide variety of applications. They have a crisp feel, or snap, that make them popular for designers wanting a distinctive tactile feel. Unlike carbon or rubber contacts, metal domes have a more defined tactile feel. They can be produced in sizes 4mm to 30mm in forces over 2000g (depending on the size of the dome).
Industry leaders in the design and manufacturing of metal dome switch contacts and complementary equipment for the membrane switch and related switch industries.
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