EMI Shielding Effectiveness Measuring MethodEMI IMPEDANCE TAPE DPR SERIES g This is a printable...
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EMI Shielding Effectiveness Measuring Method DHT-130920 Reflected waves Transmitted waves EMI SE = 10 log = SE Reflection + SE Absorption + SE Multiple Reflection (dB) Power of transmitted wave Power of incident wave Incident waves Shielding material + EMI Shielding efficiency(SE) PRINCIPLE + Test method : ASTM D4935 + Test equipment : Network Analyzer E8364A + Test frequency : 45MHz ~ 1.5GHz + Test fixture : E-2107A CONDITIONS Network Analyzer Incident waves Reflected waves Transmited waves E-2107A Test Fixture Pyeongtaek Factory 148-40, Goryeom-ri, Cheongbuk-myeon, Pyeongtaek-si, Gyeonggi-do, Korea Tel: +82-31-683-2466 Fax: +82-31-683-2465 Sales Office 620-8 Namchon-dong, Namdong-gu, Incheon, Korea Tel: +82-32-450-8770 Fax: +82-32-450-8870
Transcript of EMI Shielding Effectiveness Measuring MethodEMI IMPEDANCE TAPE DPR SERIES g This is a printable...
EMI ShieldingEffectivenessMeasuringMethod
DHT-130920
Reflected wavesTransmitted waves
EMI SE = 10 log
= SEReflection +SEAbsorption+SEMultiple Reflection
(dB)Power of transmitted wave
Power of incident wave
Incident waves
Shieldingmaterial
+ EMI Shielding efficiency(SE)
PRINCIPLE
+ Test method : ASTM D4935+ Test equipment : Network Analyzer E8364A+ Test frequency : 45MHz ~ 1.5GHz+ Test fixture : E-2107A
CONDITIONS
Network Analyzer
Incident waves
Reflected waves Transmited waves
E-2107A Test Fixture
Pyeongtaek Factory148-40, Goryeom-ri, Cheongbuk-myeon, Pyeongtaek-si, Gyeonggi-do, KoreaTel: +82-31-683-2466 Fax: +82-31-683-2465
Sales Office620-8 Namchon-dong, Namdong-gu, Incheon, KoreaTel: +82-32-450-8770 Fax: +82-32-450-8870
KS Q/ISO 14001OHSAS 18001
www.dhyun.com
EMI SHIELDING MATERIAL
FA Series are multi functional film performing bothElectromagnetic shielding and EMI absorbing. It provides EMIreliability to the data cable, PCB board more stably.
■ABSORBING & SHIELDING TAPE
ET Series which has conductive adhesion on functional films providevarious solution to noise, heat, and vibrating issues.
■CONDUCTIVE TAPE ET SERIES
+ Thin film type+ Multi functional film
(Shielding + absorbing)+ Excellent absorbing ability
FEATURES
+ IC Circuit+ Flat Cable+ LCD Panel+ Substitution + Ferrite Bead Replacement
APPLICATION
FA Series
Flat cable
Functional Layer
ConductiveAdhesive
Release Liner
One of the electromagnetic noise solutions in the high tech IT industry is an electromagnetic shieldingmaterial, currently commercialized by two types of shielding and grounding materials.
EMI SHIELDING MATERIAL
Release Liner
Cover LayerFunctional Layer
Adhesive Layer
Release Layer
DPR Series are newly developed functional film to optimize EMC Compatibilityand perfect impedance match in a high speed signal transmission.
■EMI IMPEDANCE TAPE DPR SERIES
g
This is a printable conductive paste using a specially formulated silverpowder and silver flake as the conductive agent for superior performance inelectric field and EMI shielding.
■EMI PASTE
+ Shielding for flexible PCBs+ Conductive circuits for flexible PCBs
APPLICATIONS
+ Excellent adhesion to PI film+ Excellent flexibility
MAIN FEATURES
DONGHYUN ELECTRONICS ▶ EMI SHIELDING MATERIAL
EMI Paste
