China custom made Flexible and thinnest conductive silver ink and carbon printing circuit,without overlay

Specifications

nductive carbon circuit
2.PET material
3.3M adhensive
4.100%QC
Over 15 years production experience

Conductive carbon circuit

 

Overlay Materials: The most commonly used base materials for membrane keybord are polyester and polycarbonate.

Rear Adhesive: 3M 467MP, 3M 468MP, etc.

Standard Tolerances: +/-.010 inch.

Matching color: Pantone and RAL color matching system.

Tail, pin and circuit layout: subject to customers detailed requests.

Drawing for production:Pls advise us the drawing for membrane keyboard in the format of CAD,CDR,AI etc. vectogram,or    JPG,PDF with detailed size

 

Type of buttons for membrane keyboard:

• Non tactile
• Tactile with stainless steel domes
• Tactile with poly domes on the circuit

Notice: We have the capacity to provide you membrane keyboard with other special requirements, such as Shielding, Windows/Lens Coating, Embossing, Embedded LEDs, UV glossy/matte/textured, EL,LED backlingt,rubber keypad etc.

 

 

 

The main properties of custom design electronic membrane keyboard

1. PC /PET as overlay (control panel)
2. Flat keys or tactile type
3. Embossed button with good tactile feel
4. Pre-assemble w or without metal domes
5. Water-resistant, dust-proof, gas-proof and scratch-resistant
6. Long life cycle.

 

 Specification of membrane keyboard:

 

Electronic Characteristic	<35V ( DC )   <100mA   1W	Life Expectancy	flat type ≥ 500 million times, tactile type: ≥ 100 million times
Contact Resistance	10Ω--500Ω (According the trace length and materials to confirm)	Operation Temperature	-40 °c ~ + 80 °c
Insulating Impedance	>100MΩ 250V DC	Stock Temperature	-40 °c ~ + 85 °c
Resistance of the wire	<1 Ω/cm   width 1.27mm	Humidity	+ 40 °c   90 % ~ 95%   240 hour
Operation Force	flat type 57-284g (2-10 Oz), tactile type 170-397g (6-14 Oz)	Switch stroke	flat type 0.1-0.5mm, tactile type 0.6-1.5mm

Connector Type of membrane keyboard :

 

 

High-performance Membrane Keyboards

 

1.Beautiful appearance, rich and bright in color, design can be arbitrary, the products can fully reflect the individual style of the product itself and designer.  
2. Panel can wash, good protection of durable color, characters, logos and other panel contents without injury.  
3. Small size, light weight, thin thickness, good tactility, abrasion resistant, installation and connection convenience.  
4. Tightness is good, moisture-proof, dust-proof, waterproof, anti-oil, anti-corrosion and erosion of harmful gases proof, acid and alkali proof, quakeproof.  
5. Low cost, high lifespan, membrane switches design and manufacture are using the keyboard as a whole way, whether on the material or mold charges, the costs are lowest, the life expectancy of different types of membrane switch is more than 100 million times.  
6. Easy to operate, intuitive, safe and reliable, In-house 100% functionally tested, components are guaranteed without any intermittent problem.
7. Customized specification is available and keys can make different shapes.

 

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