Metal Dome Flat Membrane Switch Flat Overlay Surface For Japanese Equipment
Components of a Membrane Switch
Graphic Overlay
Graphic overlays are a thin film with a printed layer that acts as the product’s top surface. They can be decorative or simple in design. You can emboss graphic overlays, or the graphic can help indicate switch locations.
Keypads
Keypads are a set of buttons arranged in a block that become the interface of products. Keypads offer a wide variety of options to achieve the desired user experience. Common keypad materials are:
Compression-molded elastomer materials
Hard keys mounted in a bezel
A combination of hard key and elastomers
Adhesive
Pressure-sensitive adhesives are thin layers of tape that adhere domes to the circuit. Adhesives can help protect the switch from debris, provide a moisture barrier, or other environmental factors.
Metal Domes
Metal domes are normally-open contacts that, when pressed, complete the circuit. Metal domes, also known as tactile domes, create tactile feedback for the user and come in a wide variety of sizes, styles, and forces. Domes have life ratings of up to 10 million presses. Snaptron can produce custom domes with minimal lead times.
Our Advantage:
We Focus in membrane switch and related items.
Strong R&D capability
Stable in quality
Competitive price
Short Lead time for samples and Mass production
Whole solution design available
Applications:
* home appliances and device
* Security Protection systems with Cipher Code
* Various industry control keypad panel
* consumer electronics and 3C item
* Thrapy medical system and device
* Various automtic machine control keypad
* Telecommunication Equipment
* Medical Equipment
* Industrial Equipment
* Household Equipment
* Remote Controller
* Control system
| Items | Silver Printed Circuit | Copper Etched FPC Circuit |
| Material | PET (Polyester) | Copper |
| Conductor | Printed silver | Copper |
| Contact Fingers | Silver and Carbon | Gold plated |
| Contact Buttons Pads | Silver | Gold plated |
| Life & Reliability | normal | good |
| Stability | normal | good |
| Resistance | low | Very low |
| Cost | low | high |
| Lead Time | 2-3 days | 7-10 days |
| Pitch | 0.5mm (not suggested), 1.0mm, 1.27mm, 2.54mm | 0.5mm, 1.0mm, 1.27mm, 2.54mm
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| 1. Electrical Properties | Membrane Switch |
| Electrical Level: | 35V(DC), 100mA,1W |
| Contact Resistance: | 10Ω~500 Ω |
| Insulation Resistance: | 100MΩ/100V |
| Dielectrics Voltage-resistance: | 250VRms(50~60Hz 1min) |
| Chattering Time: | ≤ 5ms |
| Life Time: | Flat type ≥ 5,000,000; Tactile type ≥ 1,000,000 |
| Tail Folding: | R>1,180 |
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| 2. Mechanical Properties | |
| Operating Force: | Flat type 57~284g (2~10oz); Tactile type 170~397g(6~14oz) |
| Switch Stroke: | Flat type 0.1~0.5mm; Tactile type 0.6~1.5mm |
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| 3. Environmental and Storage Conditions | |
| Operation Temperature: | -40°C ~ +80°C |
| Storage Temperature: | -40°C ~ +80°C |
| Humidity: | 40°C, 90%~95%, 240 hours |
FAQ:
Q1: Are you a factory or trade company?
A : Lunfeng is membrane switch/ graphic overlay manufacturer/factory. We pecialize in memrbane switch for 26 years.
Q2 : Is my switch file safe if I send it to you for manufacturing?
A : We respect customer's design authority and will never manufacture membrane switch/ graphic overlay for someone else without
your permission. NDA is acceptable.
Q3 : Can you copy membrane switch/ graphic overlay samples without file?
A : Yes, we can clone membrane switch/ graphic overlay according to your samples.
Q4 : What payment do you accept ?
A : TT/ Western Union.
Q5 : What's your shipping way ?
A : 1. We have our own forwarder to ship goods by DHL, UPS, FEDEX, TNT, EMS.
2. If you have your own forwarder, we can cooperate with them.
Q6 : How about the MOQ?
A : 1 pcs, but normally 5 pcs samples for memrbane switch, 10 pcs for membrane overlay.
Q7 : What's your main market?
A : Europe, USA, Brazil, Russia, Turkey, Iran, Austrialia, Singapore...
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3M468 Adhesive Metal Dome Flat Membrane Switch For Japanese Equipment Images
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