Waterproof PMMA Tactile Membrane Keyboard For Medical Equipment

Tactile Membrane Keyboard/Tactile Switch Keyboard/Tactile Dome Switch

Description:

The main technical indicators

1. Max size: single sided, double sided:600mm * 500mm 　Multi-layer: 400mm * 600mm
2. Processing thickness:0.2mm -4.0mm

3 Copper foil substrate thickness: 18μ(1/ 2OZ ),35μ( 1OZ ),70μ( 2OZ )
4 Common material: FR-4 , CEM-3 , CEM-1, Polytetrachloroethylene,FR-1(94V0,94HB)
5. Light copper,Nickel-plated,Gilded,HAL；Immersion Gold,Antioxidant,HASL,Immersion Tin,etc.

Process Capability

1. Drilling:The minimum diameter 0.1mm

2. Hole metallization:Minimum aperture 0.2mm,Thickness / aperture ratio 4:1

3. Wire width: Minimum:Gold plate 0.10mm, Tin plate0.1mm

4. Wire spacing: Minimum:Gold plate 0.10mm, Tin plate0.1mm

5. Gold plate: nickel layer thickness:≧2.5μ,Gold layer thickness: 0.05-0.1μm or according to customer requirements

6. HASL: tin layer thickness:≧2.5-5μ

7. Paneling: Line-to-edge minimum distance: 0.15mm hole to edge minimum distance: 0.15mm smallest form tolerance: ± 0.1mm

8. Socket chamfer: Angle: 30 degrees, 45 degrees, 60 degrees Depth: 1-3mm

9. V Cut: Angle: 30 degrees, 35 degrees, 45 degrees Depth: thickness 2/3 Minimum size: 80mm * 80mm

A Wide Range Of Applications:

Used in LCD, machine tools, electrical appliances, electronics, boilers, mine alarms, maintenance machinery, medical instruments, marine, instrumentation and other equipment.

Professional After-sales Service:

From production, technology, quality inspection, purchase, sales to customer service department, each department is equipped with professionals. Let the products you buy have pre-sales, in-sales, and after-sales tracking services