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R&D Division of 
Electronic Materials

   
  Organization that brings the future through
Science & Technology
EMI(Electro Magnetic Interference) Shielding Solution(NEMI Series)
NEMI Series is the Coating solutions with various features for EMI Shielding, Good Chemical/moisture barrier, Good Step coverage, Excellent conductivity. Futhermore, It shows excellent hard abrasion resistant, electrical/mechanical stability, sprayable and shielding effectiveness property. It can be applied to a wide range of applications such as Semiconductor Package, Circuit Board, and so on.
EMI Coating Solution Properties
Parameter NEMI-2070 NEMI-2090 Test Description
Type Spray/Dip Coating Screen Print -
Filler Type Silver Adjustable
Filler Content 50%(Paste), 80%(Cured) 60%(Paste), 80%(Cured) Adjustable
Viscosity 200-1,000 cP 10,000-10,000 cP 25℃, Adjustable
Thixotropic Index 4~ 6 5~7 25℃, 0.5/5rpm
EMI Coating Solution Properties
Parameter NEMI-2070 NEMI-2090 Test Description
Cure Condition 190℃ · 10min 190℃ · 10min Conventional oven
Shielding Effectiveness > 60dB > 60dB ASTM D4935
Surface Resistance < 0.060 Ω/ㅁ < 0.060 Ω/ㅁ @10μm(54 Point Probe)
Adhesion(EMC) 5B 5B ASTM D3359
Step Coverage > 70% ·  
Surface Roughness < 0.7 μm < 0.8 μm ASTM D4417
Pot Life 12 hours 24 hours  
Shelf Life > 6 months > 9 months  
Application
ㆍSemiconductor Package
ㆍCircuit Board