Dome Array - Single Layer Dome Array

This Dome array (metal dome sheet) is used in the early period of dome arrays (dome sheets) industry. Snap dome contacts are attached under Maylar (one layer of adhesive PET film). The vents are provided to allow excellent tactile feel. Adhesive can be provided on the top of the array with liner.

Characters of single layer dome array:

  1. light & small
  2. Mainly used in cheap single layer PCB.
  3. Nice handle & returned dome with breathe freely hole on Snap dome.
Structure of dome araray
single layer dome array
Technical Parameter of Dome Array:
Total Height: 0.28-0.45 mm
Travel: 0.13-0.30 mm
Scope of Force: 100-400 gf
Tolerance of Force: ±25 gf
Click Ratio: >30%
Life Cycles: >1 Million Cycles
Salt and Fog Examination: v35±2°C, 5±0.1%, 48H
Working Temperature: -20°C-50°C
Working Humidity: Under 100%RH
Touch Resistance: <1 ohm
ESD Resistance: <3 ohm
Dimension Tolerance: ±0.05-±0.15mm
single layer dome array