Usually we will print UV varnish for the transparent LCD window,make it have good and clear LCD show,
also some customers prefer tinted LCD or LEDs window,light red,light green,yellow etc.
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
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.
Type of membrane keyboard :
Specification of membrane switch panel:
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 |
Type of membrane keyboard :
Products show :
