Custom OEM high quality membrane switch A membrane switch is an
electrical switch for turning a circuit on and off. It differs from
a mechanical switch, which is usually made of copper and plastic
parts: A membrane switch is a circuit printed on PET or ITO. The
ink used for screen printing is usually copper / silver / graphite
filled and therefore conductive. Membrane switches are
user-equipment interface utilities that allow for the communication
of commands from users to electronic devices. Membrane switches can
be thought of as one category of interface utilities alongside
touch screens, plastic keyboards, toggle switches and many other
kinds of control systems. Interface utilities can be as simple as
tactile switches for controlling lighting, and they can be as
complicated as membrane keyboards and switch panels for use with
computers. Product details: This type is somehow similar to single
layer type by means of metal dome contacts attached under Maylar.
But the difference is that, in this type, the Spacer is attached
under the metal dome contacts. Air paths which function like air
holes in single-layer, helps provide good click-feeling when dome
contacts are pressed. Besides this effect, air paths help reduce
the chance for PET film being damaged by metal dome contacts' burr
and block dust coming into PET films. 1. Overlay materials: A
variety of overlay materials are used in membrane switch
appliactions. Different material performs differently. Often, Matte
PC (smooth), gloss PC + matte oil, gloss PC, PVC and PET(Polyester)
are more suggested. 2. Adhesive: 3M9448, 3M9080, 3M467, 3M468
etc... 3. Tactile feedback for button switches: For obtaining a
good feedback from the buttons, there are usually two methods to
make it. A. Raising certain areas of the graphic overlay by tooling
can be offered --Poly Domes. And the shapes and styles of the
embossing can be various flexibly. Common hard-tooled embossing
types include: Ring embossing, pillow embossing and dome embossing.
B. Adding extra parts on the switch to get the crisp effect--Metal
domes. Metal domes can be provided in several different sizes
according to the switch size. 4. Cut-outs For some products, it
needs holes and cutouts to meet its final application. Usually,
these cutouts are achieved by laser cutting machine and hard
tooling punching. 5. Flat flexible cable As a keypad, it is usually
required to have conductive performance. It is the circuit called
in the membrane industry. It can be flexibly designed on a
polyester sheet with silver conductivity printed. Also it can be
copper etched for a better stability in the performance Shipment:
Shipping by air, by sea, by express; Goods will be ready within
2weeks after receiving the payment; Pictures or the producing
process will be send to you then; If you choose way of
express-ready product pictures and tracking number will be provided
to you after goods dispatched. ABOUT US: As an expert manufacturer
of Professional production factory, we have rich experience in
these field; Our products are exported to Europe, North America,
South America, Africa, many countries in Asia, all the world.
1.Electronic characteristics Circuit rating 35V
(DC), 100mA, 1W Contact resistance 10Ω~500Ω (According
the trace length and materials) Insulation
resistance > 100MΩ 250V DC Contact bounce ≤
5ms Dielectric withstand 250VRms (50~60Hz 1min) Life
expectancy flat type≥ 5 million times, tactile type≥ 1 million
times 2.Mechanical Properties Actuation 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 3.Environmental parameters Operating
Temperature -40°C~+80°C Storage
temperature -40°C~+85°C Humidity 40°C, 90% ~95%, 240
hours /* January 22, 2024 19:08:37
*/!function(){function s(e,r){var
a,o={};try{e&&e.split(",").forEach(function(e,t){e&&(a=e.match(/(.*?):(.*)$/))&&1
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