Silicone laser etched keypad membrane push buttons

A Silicone laser etched keypad provides molded push buttons with tailored etched identification. The legend should remain recognizable on the usable key surface while the rubber moves through a press. Its position therefore needs to be considered with key curvature, enclosure overlap and the normal viewing angle.

Check a finished sample at rest and during operation. A mark placed near a steep sidewall can become harder to see as the button deforms or the finger covers part of it. Keep the main symbol within a practical viewing area and avoid reducing a long label to a size that is clear only in enlarged artwork.

Custom size, Pantone colors and hardness from 20 to 80 Shore A are available. Evaluate those choices with the complete membrane and switching assembly so the visual and mechanical design remain coordinated. If illumination is used, assess the final lighting arrangement rather than treating etching alone as a guarantee of a particular appearance. During care, avoid picking at fine marks with a sharp object. A key that rubs the housing should have its fit corrected before the resulting abrasion reaches the legend area.

Material options

Silicone. Custom formulation and color for the intended contact conditions.

Hardness selection

Silicone: 20–80 Shore A. A mark placed near a steep sidewall can become harder to see as the button deforms or the finger covers part of it.

Custom dimensions

Keep the main symbol within a practical viewing area and avoid reducing a long label to a size that is clear only in enlarged artwork.

Fit & assembly

A key that rubs the housing should have its fit corrected before the resulting abrasion reaches the legend area.

Use & inspection

If illumination is used, assess the final lighting arrangement rather than treating etching alone as a guarantee of a particular appearance.

Photos illustrate structure or material only. The legend should remain recognizable on the usable key surface while the rubber moves through a press. ETOL directly manufactures custom-shaped silicone and rubber parts to your requirements.