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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: light & smallMainly used in cheap single layer PCB.Nice handle & returned dome with breathe freely hole on Snap dome. |
| Structure of dome array |
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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 |
round dome sheet double layer array for mp3