China Waterproof Custom Membrane Switch Supplier With Gold-Plated Metal Dome
What are the waterproof membrane switch ?
Waterproof membrane switches are a type of keypad or button interface that use a flexible, sealed membrane to protect the internal electronic components from water, moisture, and other environmental contaminants. The membrane acts as a barrier to prevent liquid ingress.
How do they work?
Waterproof membrane switches use a layered construction, typically consisting of:
1 Top surface - A durable, water-resistant material like polyester or silicone.
2 Spacer layer - Provides separation between top and bottom layers.
3 Conductive contacts - Printed circuit patterns that register button presses.
4 Bottom substrate - Rigid or flexible material that supports the circuitry.
When the top surface is pressed, it contacts the conductive layer below, registering the button activation.
Key Features:
Water/moisture resistance - Can withstand splashing, submersion, or high humidity environments.
Rugged construction - Designed to be durable and withstand harsh conditions.
Tactile feedback - Can provide a positive "click" sensation when pressed.
Customizable design - Can be tailored to specific shapes, sizes, and button layouts.
Applications:
Waterproof membrane switches are commonly used in:
Industrial equipment
Medical devices
Outdoor/marine electronics
Consumer appliances
Automotive controls
Specification:
1)Material---for front or face overlay
Polyester
1.Highly versatile for embossing 2.Highly resistant to chemicals
3.Better durability 4.For internal and external use
Polycarbonate
1.Wide range of surface finishes and thicknesses
2.More cost-effective 3.For internal and external use
2) Embossing--rim embossing pillow embossing dim embpssing
Graphic overlays can be embossed in order to insert domes (tactile), leave space for mechanical keys and provide tactile indications Pedestal embossing
3)Windows ----for display function
1. print colors windows
2.transparent finishes windows
4)Keys/buttons
Tactile keys---with metal dome or poly dome
Non-tactile--silver printing spot
5) Embeded LEDs-
miniature LED, LED colors:white, yellow, orange, green, red, etc.
6)Cable
is an extension of the printed circuit and is used to communicate with your device
7)Types of connector
1.Zero insertion force (ZIF) connector; 2.Female connector; 3.male connector
8) EMI / RFI / ESD Shielding
use an aluminum foil shielding / a clear ITO electrical conductive polyester
9) Adhesive ----mostly used are 3M-double-side glue
10)Backplate---in aluminum, polycarbonate or acrylic
Another photo show :
FAQ:
Q1. What information will I have to provide for price?
A:To offer the exact price, we hope customers could inform us the material, specification as thickness, size, with adhesive or not, how many colors for printings, contact details, quantity required, Size and Shape with artwork files.
Q2. What is your terms of packing?
A:Generally, we pack our goods in neutral white boxes and brown cartons. If you have legally registered patent, we can pack the goods in your branded boxes after getting your authorization letters.
Q3. What is your terms of payment?
A:T/T 30% as deposit, and 70% before delivery. We'll show you the photos of the products and packages before you pay the balance.
Q4. How about your delivery time?
A: After the engineering drawing is confirmed, the sample will be completed in 5 days, and after the sample is confirmed, the mass goods will be completed in 10 days.The specific delivery time depends on the items and the quantity of your order.
Q5. Can you produce according to the samples?
A: Yes, we can produce by your samples or technical drawings. We can build the molds and fixtures.
Q6. What is your sample policy?
A: We can supply the sample if we have ready parts in stock, but the customers have to pay the sample cost and the courier cost.
Q7. Do you test all your goods before delivery?
A: Yes, we have 100% test before delivery.
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