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Rear Surface Printing Pcb Based Membrane Keypad With Flat Keys
Product Details:
| Place of Origin: | DongGuan of China |
| Brand Name: | Taida |
| Certification: | ISO9001,SGS,ROHS,REACH,UL |
| Model Number: | 20241031-02 |
Payment & Shipping Terms:
| Minimum Order Quantity: | 200 pcs |
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| Price: | communication |
| Packaging Details: | PE bags first and Foam in Carton and etc |
| Delivery Time: | 4-5 days for Samples making ;10-15 days for Batch goods |
| Payment Terms: | Western Union, T/T,PAYPAL |
| Supply Ability: | 90000 +pcs +a Month |
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Detail Information |
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| Material: | Polyester Or Polycarbonate Or Others | Color: | Pantone, RAL CMYK , |
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| Pitch Of Connect: | 1.0MM，1.25MM，2.54MM ,or 0.5MM | Adhesive: | 3M Adheisve Or Others |
| Circuit Options: | Silver Flex Circuit | Surface Finish: | Velvet Texture |
| Embossing Shape: | Pillow Embosing | Type: | Flexible |
| Operating Temperature: | -20°C To 70°C | Circuit: | Printing Silver Ink On PET Material |
| Storage Temperature: | -40℃ To 70℃ | Led Color: | Green ,white Or Other Request |
| Highlight: | Rear Surface Printing Membrane Keypad,Flat Keys Membrane Keypad,Pcb Based Membrane Keypad |
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Product Description
Rear Surface Printing Pcb Based Membrane Keypad With Flat Keys
ESD (Electrostatic Discharge) shielding is an important consideration in the design of membrane switches, as it helps protect the sensitive electronic components from potential damage caused by static electricity.
In the context of membrane switches, ESD shielding is typically achieved through the use of a specialized ESD shielding membrane layer. Here's how it works:
Components of a PCB-based Membrane Keypad
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Overlay Layer:
- The top layer, often made of polyester or polycarbonate, contains printed graphics such as symbols or labels for the keys.
- This layer is usually flexible and provides a tactile surface for users.
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Spacer Layer:
- A thin layer that separates the overlay from the PCB. It has cutouts or adhesive pads that allow the keys to make contact with the underlying PCB when pressed.
- This layer ensures that the keys return to their original position after being pressed.
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PCB (Printed Circuit Board):
- The base layer that contains the electrical circuitry for the keypad.
- It typically features conductive traces that connect the keypads to the microcontroller or other electronic components.
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Conductive Traces:
- These are printed on the PCB and connect to the key switches. When a key is pressed, it completes a circuit and sends a signal to the microcontroller.
ESD shielding is particularly important in applications where membrane switches are exposed to environmental factors that can generate static electricity, such as:
- Industrial machinery and equipment
- Medical devices
- Automotive electronics
- Consumer electronics with touch-sensitive interfaces
By incorporating an ESD shielding membrane into the design, manufacturers can ensure that their membrane switch products are more resilient and less susceptible to damage from electrostatic discharge, improving their overall reliability and performance.
Product Descriptions :
| Overlay material ---For front or face overlay | ||||||||
| Polyester | Polycarbonate | |||||||
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1 Highly versatile for embossing |
1 wide range of the surface finishes and thicknesses |
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| Embossing --- Graphic overlay or up circuit can be embossed in order to insert metal stainless steel domes for good tactile when press .Leave space for mechanical keys and provide tactile indications | ||||||||
| Pedestal embossing | Rim embossing | Pillow embossing | Dim embossing | |||||
| Windows or LCD --- For display functions | ||||||||
| Printed colors windows such like red ,black and so on | Transparent finishes windows | |||||||
| Keys | ||||||||
| Tactile Keys :witch metal domes or Poly domes ,Metal dome with different diameter and pressure kinds | Non-tactile keys: printed silver spot on the circuit | |||||||
| LEDs ---Miniature LEDs ,LED colors :white ,Green ,Red ,Blue ,Yellow ,Orange and others | ||||||||
| EL and Sensors or inductors --- EL can be light any place where where you like ,and sensors can be used as LEDs | ||||||||
| Cables --- is extension of circuit and communication with your device | ||||||||
| Screen printing conductive silver cable | Copper plated cable /Polyimide or FPC | PCB cable | ||||||
| Types of connector --- 1 Zero insertion force(ZIF) with 0.5MM ,1.0MM,1.25MM pitch ;2 Female connector with 2.54MM pitch; 3 Male connector | ||||||||
| Shielding --- For protection function | ||||||||
| Gasket seal/Waterproof :protect the conductors against from the humidity and splashes | EMI/RFI/ESD Shielding: use an Aluminum foil shielding /clear ITO electrical conductive polyester to protect | |||||||
| Rear Adhesive --- Mostly use the 3M double-side mounting glue brand of USA. Also accepted others such like Lohmann and others | ||||||||
| Back plate --- Use in Aluminum ,Polycarbonate ,Acrylic Or PMMA | ||||||||
| Matching color --- PMS or RAL Is best ,CMYK or RGB also can be ok if you can supply PMS Or RAL | ||||||||
| Standard Tolerances :+/-0.2MM | ||||||||
Common membrane keypad structure choose :
Other photo show :
Electrical Properties:
1, operating voltage: ≤ 50VDC
2, working current: ≤ 100mA
3 Contact resistance: 0.5 ~ 5Ω
4 Insulation resistance: ≥ 100MΩ (100VDC)
5, substrate voltage: 2kDVC
6, spring time: ≤ 6ms
7, loop resistance: 60Ω
8, insulation ink voltage: 100VDC
Our Services :
1 Reply your inquiry within 24 working hours
2 Customize design is available ,OEM and ODM are welcome
3 Experienced Staffs answer your all question in professional and fluent English
4 Exclusive and unique solution can be provided to our customers by our well-trained and professional engineers and staffs
5 Good service ,High quality ,test all goods and short lead time supply
6 we can make any shape ,size ,color ,technology such like button ,LED mounted ,sensor mounted ,and so on based on your request
7 Before mass goods ,we will supply the sample for your approved ,before proofing ,we will design the artwork for your confirm first ,both of them are in order to reduce the cost in the mass goods for you
FAQ:
Q1. 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.
Q2. What is your terms of payment?
A: T/T 50% as deposit, and 50% before delivery. We'll show you the photos of the products and packages before you pay the balance.
Q3. What is your terms of delivery?
A: EXW, FOB,
Q4. How about your delivery time?
A: Generally, it will take 10 to 15 days after receiving your advance payment. 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
Q8: How do you make our business long-term and good relationship?
A:1. We keep good quality and competitive price to ensure our customers benefit ;
2. We respect every customer as our friend and we sincerely do business and make friends with them, no matter where they come from.