Xiamen Better Silicone Rubber Co., Ltd

Membrane Switch Design

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Membrane switch, also known as membrane keyboard, it is a overall sealed structure by using plane multi-layer combination. Membrane Keyboard is a kind of new electronic components with the technology of light, mechanic and electronics which seal together by the key switch, panel, marking, symbol display and liner.

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 Membrane Keyboard & Switches


Membrane Switches is a overall sealed structure by using plane multi-layer combination. Membrane Keyboard is a kind of new electronic components with the technology of light, mechanic and electronics which seal together by the key switch, panel, marking, symbol display and liner.It is a set of key functions, indicating components, instrument panel,consisting of the panel, top circuit, isolation layer, floor circuit. When you press the membrane switch, the contact on the circuit downward deformation, contact with the floor circuit plate conduction; When releasing finger, the top circuit contacts bounce back, the circuit is disconnected, the circuit triggers a signal. 

membrane switches.jpg 3M membrane keypad.jpg


Membrane Switches Panel is a kind of plastic which uses a rigid or flexible printed circuit board as the substrate, a feel or no touch keys on installation, and then covered with color printing decorative patterns. The switch circuit and the machine can be connected by welding or plug.

Membrane Switches & Membrane Keypad Advantages 
Good waterproof, dustproof, anti-oil, anti-harmful gas erosion, stable and reliable performance, light weight, small size, long life, easy assembly and the panel can be washed without damage. And membrane keyboard is in rich colors, nice.
Membrane Switch is a change in the appearance of fundamental structure of electronics, it can replace the conventional discrete components of the keys , more reliable implementation of the task of the operating system.


Structure of membrane keyboard            membrane keyboard guide.jpg

It depends on the application requirement, a membrane

switch can consist of as few as 4 layers, 

as many as layers. 

                                                                                 

1. The graphic overlay.

2. The top membrane.
3. The spacer.
4. The bottom membrane.
5. The adhesive layer.




Graphic Overlay Materials for Membrane Switches & Keyboard


PVC Membrane Keyboard:                                                                             membrane switch panel.jpg

shiny side; stability for acid, alkali and salt at room 

temperature. Good wear resistance, self-extinguishing flame,

muffler shock, electrical insulation. Thermal stability is poor. 

It is usually used in low common signs, panels.


PC Membrane Keyboard: 

shiny side;high transmittance , low water absorption, good 

dimensional stability, bending, tensile, excellent compressive 

strength, heat resistance, cold resistance, electricity Insulation 

and good resistance to atmospheric aging. Poor chemical 

resistance, and fatigue resistance, easy to produce stress open crack.


PET Membrane Keyboard:                                                                                membrane keyboard overlay.jpg

shiny side; good chemical resistance, insoluble in common               

organic solvents, not alkali resistance. Has excellent mechanical 

properties,electrical properties rigidity, hardness and the largest 

thermoplastic strength and toughness, low water absorption, 

excellent wear resistance ,friction resistance , high dimensional 

stability. Tensile strength can be comparable with the aluminum 

film, much higher than the PC, PVC. The PET has texture. It is 

more expensive. PET is the best substrate in producing membrane 

switching circuit . One of the textured PET is suitable for products 

which has higher requirement on products surface or have a liquid 

crystal display window.


There are two ways of forming surface characters


                            1. Silk Screen Printing.                                                    2. Laser Cutting.   

silk screen printing membrane keypad.jpg laser cutting membrane keypad.jpg


How to silk screen print membrane switches, membrane keyboard, membrane keypad graphic overlay.


Membrane Switches & Keyboard Applications

1. Instrument and apparatus: Measuring instrument. Analytical instrument. Medical treatment electronic instrument ect.
2. Mechatronic product: Numerically-controlled machine tool. Intelligent robot. Electronic weighing instrument. Printing machinery. Color film processing equipment. Industry camera.
3. MPU system.
4. Office automation equipment: fax machine. copying machine. calculator. translator.
5. Household appliances and electronic toy: washing  machine. refrigerator . microwave oven. dish-washing machine. audio video equipment.


backlight membrane keyboard
Silicone Rubber Keypad Features
Rubber Keypad    Silicone Membrane Keyboard
Silk Screen Printing Rubber Keypad                        Self Adhesive Silicone Keyboard & Keypad
Printted Characters or symbols on silicon keypad’s surface     Silicone Keypads with self adhesive tape & film
Laser Engraving Keypad    Remote Control Keypad
Laser Cutting Silicone Keypad & Keymat                   Remote Control Silicon Keypad & Keyboard
Laser Etched Process for Desired Backlight Symbols                Multi-Process for TV Set, Air Condition & Fan Remote Controller
Epoxy Coating Rubber Keymat    Conductive Keyboard
Epoxy Coating Silicone Keyboard                                 Electrically Conductive Ink Printing Keypad
Epoxy Resin Coating for Keypad's Surface Protection              Transfer Conductive Printing for Keyboard Conduction
PU Coating Silicon Keypad    graphite rubber keypad
PU Coating Silicone Keyboard                                      Graphite Pads & Carbon Pill Silicone Keypad
PU ink Coating for Button & Silicone Icons Protection                  Black Carbon Pills for Keypads Conduction 
P+R Rubber Keypad    Metal Pill Rubber Keypad
Plastic Rubber (P + R) Keypad                                     Silicone Keyboard with Metal Pills
Silicone Rubber Keypad Glued Plastic Button Caps                    Copper & Golden Pills for Keypads Conductive
Overmoulding Rubber Keypad    nickel pill rubber keypad
Different Hardness Silicone Keyboard                         Silicon Keypad with Conductive Nickle Pills
Overmolding buttons + pads, Dual durometer Keypad             Keyboard Pill which mixed with conductive Nickle Powder
fluorescent silicone keyboard    Silicone Membrane Keyboard
Fluorescent & Glow-in-Dark Keypad                              Silicone Keypads with Metal Domes
Mixed Fluorescent powder with silicone before molded           Backing Adhesive Metal Domes + Silicone Rubber Keyboar
Membrane Keyboard    Silicone Button Pad
Membrane Keyboard & Switches                                                 Silicone  Rubber Buttons
Keypad Processes
                 
                 
Our Company
Xiamen Better Silicone Co., Ltd is specialized in designing and manufacturing all kinds and configurations of Silicone Rubber Products for a wide range of applications. Our  silicone rubber keypad solutions combine excellent conductivity, reliability and long life span, which can meet all the environment's requirements and fit your individual needs.

Our company also make Silicone Rubber Compression Molding, Plastic Injection Molding, LSR injection Molding, and produce different kinds of elastomers silicone rubber components, plastic & liquid silicone rubber injection parts etc according to customers 2D & 3D design drawings or samples.


 


Silicone Rubber Keypad Quick Quotation Requirements

1. Offer 2D & 3D Design drawings or samples

2. Keypads Legends demands.

3.Keypad's Surface Protective Coating Demands.

4. Keypad's Conduction Ways or Resistance Demands

5. Quantity Demands

   

 

Better Silicone Keypad

Xiamen Better Silicone Rubber Co., Ltd is specialized in designing and manufacturing all kinds and configurations of Silicone Rubber Keypads for a wide range of applications....  
 

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