LSR Keypad for Medical Devices
Medical-grade LSR keypad, tactile feedback, 1M+ actuations, cleanroom manufactured
Description
This LSR keypad is designed for medical equipment requiring frequent cleaning and sterilization. The soft-touch LSR material provides excellent tactile feedback and durability, withstanding over 1 million actuations. Manufactured in a cleanroom environment, it meets ISO 13485 standards. Resistant to alcohol, disinfectants, and cleaning agents. Custom legends and backlighting options are available.
Specifications
| Material | LSR (Liquid Silicone Rubber) |
| Hardness | 40±5 |
| Operating Temperature | -40°C to 200°C |
| Color | Transparent / Blue / Custom |
| Certifications | ISO 13485 |
| MOQ | 1000 |
| Lead Time | 20 days (after approval) |
| Customization | Drawing or sample based, full dimensional report provided |
Engineering & Quality Documentation
📋 Technical Standards
- Actuation life 1M-5M cycles validated per stack-up
- Contact resistance ≤ 200 Ω (carbon) / ≤ 5 Ω (gold pill)
- ASTM D257 resistivity verification on conductive elements
- ISO 10993 biocompatible grades for medical housings
🏭 Manufacturing Process
Compression or LSR injection molded with conductive pills positioned by nesting fixtures to ±0.05 mm; web geometry tuned to your force-displacement curve.
- Legends applied by epoxy printing or laser etching after post-cure
- Die-cut adhesive backing option for direct assembly
- Life validated to 1-5M actuation cycles per stack-up
🔍 Quality Inspection
- ▸ 100% visual inspection before packing (flash, short-shot, contamination)
- ▸ Dimensional verification against approved drawing; FAI report on first shipment
- ▸ Hardness per ASTM D2240 (Shore A) on every batch
- ▸ Lot traceability: material batch and cure records logged per carton
- ▸ Actuation force / travel sampling per lot (F-D curve)
- ▸ Contact resistance sampling per lot
- ▸ Key life sampling (1M cycles) on validation lots
- ▸ Legend adhesion cross-hatch test
🛡️ After-sales & Warranty
12-month warranty with force-curve and contact-resistance data per lot; 8D response for confirmed failures, free replacement of non-conforming batches.
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