Custom Metal Dome for Remote Controls — TV / AC / Set-Top Box Remotes
Consistent tactile feel, 1,000,000+ press cycles and sealed, low-resistance contacts — engineered around your remote control, PCB layout and cost target.
Remote Control Metal Dome — Key Requirements
Remote controls are pressed hundreds of times a week for 5–10 years, in dusty and oily living-room environments. Every key must feel identical, respond instantly and survive the full product life — at mass-production cost.
Clear Tactile Feedback
Distinct "click" sensation on press, with uniform and stable actuation force.
Reliable Conductivity
Low contact resistance (typically <1Ω); anti-oxidation surface treatment such as gold plating ensures more sensitive and accurate signal transmission.
Long Service Life
Press-resistant, typically rated for 1,000,000+ cycles without failure.
Fast Rebound
Instant reset upon release, eliminating "press-and-no-return" failure.
Dust & Contamination Resistance
Withstands dust and oil contamination without affecting contact performance.
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Technical Resources for Remote Control Design
Remote Control Selection Guide and Drawing Examples
Common Remote Control Dome Issues and Solutions
| Issue | Cause | Lösning |
|---|---|---|
| Key unresponsive | Oxidation/contamination on the metal dome or PCB contact point | Clean the contact point; use gold-plated/silver-plated metal domes for enhanced anti-oxidation |
| Key insensitive | Excessive contact resistance; metal dome not fully depressed | Check dome height vs. PCB gap; use center-point gold-plated domes to lower resistance |
| Feel becomes too hard/soft | Metal dome fatigue deformation; force value outside tolerance | Optimize dome curvature design; tighten force tolerance to ±15gf |
| Dome doesn't rebound | Housing deformation, foreign debris jamming, or dome fracture | Inspect housing structure; use high-durability SUS301 material rated for ≥1,000,000 cycles |
| Intermittent performance | Dust/oil contamination entering the gap between dome and contact | Use TPU or PET film encapsulation to seal out external contamination |
| Short lifespan, early failure | Inferior material or burrs on stamped edges | Use precision full-cut, burr-free metal domes; 100% electrical performance testing on all batches |
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