OEM Customized Design Mechanical Keyboard Switch Types With Glossy
Surface
1. Linear Switches
- Characteristics: Linear switches provide a smooth and consistent keystroke from
the top to the bottom without any tactile feedback or audible
click. The force required to press the key remains constant
throughout the keystroke.
- Examples: Cherry MX Red and Cherry MX Black are popular linear switches.
- Best For: Gaming, as they allow for quick key presses and are generally
quieter, making them suitable for shared environments .
2. Tactile Switches
- Characteristics: Tactile switches feature a noticeable bump at the actuation
point, which provides physical feedback when the key is registered.
This bump helps typists know when a key has been pressed without
needing to bottom out the key.
- Examples: Cherry MX Brown is a well-known tactile switch.
- Best For: Typing, as the tactile feedback can enhance the typing experience
and reduce typing errors. They are also quieter than clicky
switches, making them more suitable for office environments.
3. Clicky Switches
- Characteristics: Clicky switches combine tactile feedback with an audible click
sound when the key is actuated. This sound is produced by a
mechanism inside the switch that creates a distinct noise when the
bump is overcome.
- Examples: Cherry MX Blue is a classic example of a clicky switch.
- Best For: Typing, especially for those who enjoy auditory feedback.
However, they can be disruptive in quiet settings due to their
loudness .
Summary of Key Differences
- Feel: Linear switches are smooth, tactile switches have a bump, and
clicky switches have both a bump and a click sound.
- Sound: Linear and tactile switches are generally quiet, while clicky
switches are loud.
- Weight: Linear switches are often lighter, while tactile and clicky
switches can be heavier, requiring more force to actuate.
- Best Applications: Linear switches excel in gaming, tactile switches are great for
typing, and clicky switches are preferred by those who enjoy sound
feedback but may not be suitable for shared spaces.
Membrane Switch Specification:
1)Material---for front or face overlay
Polyester
1.Highly versatile for embossing 2.Highly resistant to chemicals
3.Better durability 4.For internal and external use
Polycarbonate
1.Wide range of surface finishes and thicknesses
2.More cost-effective 3.For internal and external use
2) Embossing--rim embossing pillow embossing dim embpssing
Graphic overlays can be embossed in order to insert domes
(tactile), leave space for mechanical keys and provide tactile
indications Pedestal embossing
3)Windows ----for display function
1. print colors windows
2.transparent finishes windows
4)Keys/buttons
Tactile keys---with metal dome or poly dome
Non-tactile--silver printing spot
5) Embeded LEDs-
miniature LED, LED colors:white, yellow, orange, green, red, etc.
6)Cable
is an extension of the printed circuit and is used to communicate
with your device
7)Types of connector
1.Zero insertion force (ZIF) connector; 2.Female connector; 3.male
connector
8) EMI / RFI / ESD Shielding
use an aluminum foil shielding / a clear ITO electrical conductive
polyester
9) Adhesive ----mostly used are 3M-double-side glue
10)Backplate---in aluminum, polycarbonate or acrylic
Membrane switch Performance Index:
Environmentl | Operating Temperature | -40°C to +80°C (-40°to 176°F) | | Storage Temperature | -40°C to +85°C (-40°to 185°F) | | Humidity | 40°C, 90% to 95% for 240 hours | | Vibration | 20G's max. | Mechanical | Actuation Force | Non-tactile 60g to 300g (2oz to 10oz) | | | Tactile 150g to 400g (6oz to 14oz) | | Switch Stroke | Non-tactile 0.1 to 0.5mm | | Life Expectancy | Tactile 0.6 to 1.5mm | | | Non-tactile >5 million actuations | | | Tactile >1 million actuations | Electrical | Operating Voltage | 35 volts maximum | | Operating Current | 10 micro amps to 100 milliamps, resistive | | Operating Power | 1 watt maximum | | Circuit Resistance | 10 ohms to 500 ohms, dependent on size and layout | | Insulation Resistance | 100M ohms at 100V DC | | Dielectric Withstand | >250 VRMs (50-60Hz 1 minute) | | Contact Bounce | ≤ 5 milliseconds |
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