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Silicone Rubber Laser Etching Keypad Keyboard for Led Backlight

Views: 86     Author: Hardy Ho     Publish Time: 2016-04-24      Origin: www.better-silicone.com

Silicone Rubber Laser Etching Keypad Keyboard for Led Backlight

Silicone Rubber Laser Etching Eteched Keypad also called silicone rubber laser engraved keypad, laser cutting, laser marking or laser carving keyboard etc., which make the best of transparent translucent elastomeric silicone rubber materials to improve led backlight effects by laser engraving machines.
Silicone rubber laser etching keypad  , not only about laser engraving process, also mainly go with keypad surface spraying coating process and keypad surface protection which key to silicone laser etched keypads quality. For example silicone laser etched  keypad light leak.
Like keypad surface color coated layers if evenly or thickness if enough etc.
Silicone keypad protection mostly affect laser etched keypad lifetime, which mainly depends on PU coating (also call sealplast process), smooth matt keypad surface process, plastic key caps etc. ( PU coated keypads one is matt surface, the other is glossy surface )

Rubber Laser Etching Keypad
Silicone Laser Etching Keypad

Silicone Rubber Laser Etching Keypad Coating

Laser Etched Keypad coated colors which is determinant factors of keypad surface colors and laser engraving legends colors.
Laser etched keypad legends colors is key to the color coated layers layout.

For examples, if you need laser keypad legends is red color and keypads surface is yellow. That need three color coating layers processing. Firstly do red color layer coating, and the do the black or gray color layer coating which for light absorption. The last, do the yellow color coated layer process. After laser cutting cutting, the keypads legends will be shown as red color.

Notes: If some keys legends colors are different from other keys legends color and keypad surface color is black, which need more process.
Like one silicone key legend color is red, the other keys legends is white. That need produce key covers to protect key.
Silicone Rubber Laser etched keypads process:
1. Except red legends key, other keys should be covered by keys cover or caps. And then do red color layer spraying coating.
2. In the same way, red key should be covered before process white color spraying coated layers.
3. And then do the final black color spraying coating.
4. After laser engraving, the red color legend and white color legends will be bring out.

Silicone Laser Etching Keypad
Silicone Laser Etched Keypad

Silicone Rubber Laser Etched Keypad Working Life
Silicone Rubber Laser etching keypad lifetime, not noly depends on compression mold making, silicone rubber materials and ink spraying coated choice etc, but also depends on laser etched keypad protection.
As we know, silicone rubber laser etching keypad mostly need color coating processing. After color coating processing, if without do matt smooth processing, PU coated processing, or plastic key caps. The spraying color coating will wear. That not only cause light leak, but also effect the backlight effects.
For better quality, many customers would like choose PU coating ( sealplast coating), like matt PU coating or glossy PU coating.
However, PU coating cost is expensive because coated processing is high demands and also can rework

Laser Etching Keypad

Laser engraving silicone keypad, mainly quality problem caused by color coating.
1. Color Aberration ( chromatic aberration )
2. Unevenly Coated which will cause light leak.
3. Too thin spraying coated layer engraving silicone rubber keypad will cause light leak
4. Coated layer thickness affect the keys thickness or pads thickness.

5. Inner coated color ( legends color ) and keypad's surface color should be big color contrast.
Like inner coated color is white, the surface color mostly choose black.
for example choosing inner translucent silicone without white or other bright color coating,  with gray or black color surface keypad to do laser engraving process, the keypad can't shows laser mark characters without backlight.
Silicone Laser Etching Keypad
Rubber Laser Etching Keypad
Laser Etching Keypad
Silicone Laser Etching Keypad

Silicone Laser Etched Keypad


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