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Customized Silicone Rubber Keypad Membrane Keypad (MIC-0632)
A membrane switch is an electrical switch for turning a circuit on
and off. It differs from a mechanical switch. Membrane switch is
very thin and soft. The touch surface material usually is PET or
PC. The circuit can be PET, FPC or even PCB. Membrane switches are
user-equipment interface utilities that allow for the communication
of commands from users to electronic devices.
---PRODUCTION DESCRIPTION---
> Construction:
A membrane switch typically has 6 or more or less layers. The top
layer of a membrane switch is the graphic overlay interface between
the user and the machine. The other critical layer is a the circuit
layer. It can also be PET, FPC or PCB. All the layers are normally
assembled using pressure-sensitive adhesives. Contact between two
traces can be made through a printed shorting pad or through a
metal dome that stands on legs.
> Membrane Keypad Structure
1) 4 layers structure: Graphic overlay + Spacer + Circuit(can be
PET circuit or FPC circuit) + Back Adhesive
2) 6 layers structure: Graphic overlay + Spacer: Dome Retainer +
Spacer + Circuit(can be PET circuit or FPC circuit) + Back
Adhesive;
3) Other Structure
3.1) Overlay + Rubber Adhesive + Rubber Keypad + Rubber Adhesive +
Retainer + Spacer + Circuit + Back Adhesive;
3.2) Overlay + Spacer + Retainer + PCB Circuit;
And also there are many other kinds of structures for the interface
keypads structure. It based on customer's real needs and we can
design the suitable and economical structure for our customer's
final application.
> Main Technical Specifications:
Item | Description | Technical capabilities |
1 | Max. Size | 1200mm x 1000mm |
2 | Overlay Material | PET: Autotype (Autotex F150, F200, F280, V150, V200, V280, Autoflex EBG130, EBG180, EBG250, EBA130, EBA180, EBA250) Autotex : XEV150, XEF200; Autostat CT3, CT4, CT5, CT7 DuPont etc. PC: GE LEXAN--8010 8B35 8B35F HP92S HP40 FR700 FR60 |
3 | Spacer | 3M Adhesive, NITTO, TESA, SONY, SEKISUI, Domestic Adhesive |
4 | Back Adhesive | 3M(Mainly), Others(Little) |
5 | Silver Paste | CHANGSUNG: CSP-3163, CSP-3352, CSP-5150; ACHESON: ED 725A(6S-61), ED 427SS, ED 479SS, ED 976SS HV; FUJIKURA and OTTI |
6 | Oil Ink | SEIKO, JUJO, DUBUIT, PROELL, NORCOTE UV |
7 | Carbon Paste | FUJIKURA, ACHESON ED 581SS, OTTI |
8 | 6 Layers Metal dome Type Membrane Switch Structure | Overlay + Spacer + Dome Retainer + Spacer + Circuit Layer+ Back adhesive |
9 | 4 Layers Polydome Type Membrane Switch Structure | Overlay + Spacer + Circuit + Back adhesive |
10 | Contact Resistance | 0.5-10Ω |
11 | Insulation Resistance | ≥10MΩ (100VDC) |
12 | Base Material Voltage Durable | ≤ 2000V DC |
13 | Bounce Time | ≤ 5ms |
14 | Working Current | ≤ 100mA |
15 | Working Voltage | ≤ 50VDC |
16 | Life | ≥ 1,000,000 times |
17 | Key Travel | Flat type: 0.05mm-0.5mm, Tactile Type: 0.1-1.5mm |
18 | Working Temperature | -40ºC-+80ºC |
19 | Actuation Force | 20-550g |
20 | Storage Condition | Temperature: -40ºC~+85ºC ,Humidity: ≤98% RH |
21 | PET Circuit Tail Flexible Feature | 180°to any angle |
Free from the erosion of harmful gas.
---PACKAGING & SHIPPING---
Packaging Details | 10 pcs in PP bag, then in hard carton box or Meet Customer's Demand |
Delivery Detail | 13~14 working days |
Shipping | TNT, DHL, Ups, FedEx |
---OUR SERVICE---
> Pre-Sale Support:
1) Communicate with customers carefully for all requirements and
specifications;
2) Give our design improvement suggestions to customers;
3) Provide several different solutions for our customers to
comparision;
4) Design the engineering artwork for customer's approval;
5) Provide relevant materials datasheets and certificates.
> GYF's gold after-sales service includes:
1)Communicate with customer before the shipment and help customer
to select a high cost performance of shipping method;
2)Use the best packing method to ensure the economical shipping
fees and also protect the products well;
3)After shipped out the products, we will inform customer in time
and tell the express tracking number to them so that they can trace
the packages;
4)After customer received goods, follow up the goods quality
timely;
5)If the customer met some assembly problems, our engineers can
provide the technique support on line or at customer's factory;
6)If the delivered products have quality problems, and if the
quality problems were really caused by GYF, then we can make the
replacement production for customer at once and the replacement
production will be at the top priority.