Metal Dome (metal dome) is a part stamped from stainless steel (SUS), has a dome shape and is used inside the membrane switch (Membrane Switch) to create a click feeling and transmit electrical signals.
When the user presses the key, the metal dome will deform and come into contact with the circuit below, helping the device receive commands. When released, the dome will return to its original shape thanks to the elasticity of the material.
Structure of Metal Dome
A Metal Dome is usually made from highly elastic stainless steel, including the following parts:
- The dome surface creates elastic force.
- Conductive contact pins.
- Surface is treated with anti-oxidation, increasing durability.
Metal Dome has many shapes such as round dome, four-legged dome, triangular dome... depending on the design and usage requirements of each product.
Metal Dome's role in Membrane Switch
Metal Dome is an important component that determines the quality of the membrane switch, with the following main functions:
- Creates a clear clicking feeling (Tactile Feedback).
- Close and disconnect electrical circuits correctly.
- Increase response speed when manipulating.
- Improve product longevity.
- Helps users operate more accurately.
Metal Dome applications
Metal Dome is widely used in many electronic devices such as:
- Industrial machine control panel.
- Medical equipment.
- Telecommunications equipment.
- POS machine.
- Smart home devices.
- Household electrical appliances.
- Dedicated control keyboard.
Lianchun Vietnam – Manufacturer of membrane switches on demand
Lianchun Vietnam specializes in designing and manufacturing Membrane Switch, Metal Dome Keypad, Graphic Overlay, PC Nameplate and console components according to customer requirements.
With modern production lines and an experienced technical team, we meet the requirements for size, pressure, longevity and quality standards of many industries such as electronics, healthcare, automation and smart devices.
Hotline: 0988 901 793
Email: lanhdoanh@lianchun.vn