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3M Adhesive Membrane Switch Keyboard Graphic Overlay for CD Player

Place of Origin: Zhejiang

Company Profile

Location: Dongguan, Guangdong, China (Mainland)
Business Type: Manufacturer
Main Products: Tactile Membrane Switch, Flexible Membrane Switch, PCB Membrane Switch

Product Detail

Model No.: TKMMS--291

Product Description

 

3M Adhesive Membrane Switch Keyboard Graphic Overlay for CD Player

 

 

Quick Detail:

 

Name

MS Overlay

Material

Cu: 1 oz

PI: 1 mil

Color

Variety Color

Surface treatment

pure-tin plating

Minimum hole dimension

0.3mm

Chemical resistance

Meet IPC standard:

Minimum linear width

0.08mm

Minimum linear distance

0.08mm

External tolerance

+/-0.05mm

Welding resistance

280 more than 10 seconds

Peeling Strength

1.2kg/cm2

Heat resistance

-200 to +300 degrees C

Surface resistivity

1.0*1011

Bandability:

Meet IPC standard

 

 

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,HALImmersion 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

 

 

Applications:

 

1. The mobile phone

Focuses on the flexible circuit board light weight and thin thickness. Can effectively save the volume of products, easy connection of the battery, microphone, and buttons and into one.

 

2. Computer and LCD screen

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