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OEM Membrane Switch Keyboard / Moisture Proof Membrane Push Button
Switch
Membrane Switch Keyboard Introduction
A membrane switch is a printed electronic circuit that uses
pressure to open and close a circuit. The membrane switch circuitry
is most often screen printed using conductive inks, which are
typically made of silver, carbon, and/or graphite.
Membrane switches are part of a range of devices considered to be
user interfaces (also called operator interfaces, or man-machine
interfaces) along with display-based touch screens, and mechanical
switches such as push-button, toggle, rocker, and slide switches.
The ultimate purpose of a membrane switch is to serve as the
interface between man and machine, enabling an operator to
communicate with a piece of equipment, instrument, or machinery.
Membrane switches can be manufactured with non-tactile switches, which activate with 4 – 8 oz of touch pressure. Non-tactile switches are less expensive and provide the longest switch life. Tactile switches have a snap-action feel and may also be incorporated into a membrane switch, enhancing tactile feedback, but with a greater cost and lower switch life.
Membrane Switch Keyboard Parameters
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 |
What are Membrane Switch Keyboard ?
The easiest way to understand what a membrane switch is, is to
reference an all-time favorite
device-the microwave. The membrane switch on the microwave is the
buttons—the human
interface layer—that communicates to the microwave that you’d like
to reheat your food for
one minute.
1. Quotaion: We can do OEM for you and welcome to send us your enquiries at any
time. We
will reply you in 24 hours.
2. Artwork: After price confirmation, we will prepare to do artwork of the
product for your
approval in 3 days.
3. Sample: Once you approve the artwork, then we will arrange to produce
samples.
4. Production: After sample confirmation, it will take two weeks to finish
order(sooner or
longer depneding on the order quanity).
5. Shipping: We can send products by Fed-ex, UPS, DHL, TNT or other shipping
agent you
recommand and then will send you tracking number for your
reference.