http://www.caplinq.com/led-assembly-materials.html
CAPLINQ offers Silicones for LED Applications
Part 1 of a 5-part Series.
Part I : Advantages of Silicone over Organic Resins in the manufacture of LED Assemblies for High Power LED's and general lighting
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CAPLINQ offers Dimethyl & Phenyl Silicones For LED Assembly
1. CAPLINQ Europe BV
Manufacturer | Distributor | Partner
Whatyouneedto
knowaboutsilicones
forLEDassembly
SILICONE FOR LED APPLICATIONS
2. ALLPARTSINTHISSILICONESERIES
Part I: Advantages of Silicones over Organic Resins
Part III: LED Silicones for Molding (& Compression Molding)
Part IV: Premolded Silicones over PPA as Reflector
Part V: LED Silicones for Die Attach Assembly
1
2
3
4
5
Part II: Premolded Silicones for Fresnel Lenses
3. Some Text
Some Text
ANATOMY OFANLED PACKAGE
PremoldedSiliconeFresnelLens
Part II: Premolded Silicones for Fresnel Lenses
SiliconeEncapsulationMaterial
Part III: LED Silicones for Molding (&
Compression Molding)
PremoldedSiliconeReflector
Part IV: Premolded Silicones over PPA as
Reflector
SiliconeDieAttachMaterial
Part V: LED Silicones for Die Attach
Assembly
6. HIGH THERMAL STABILITY OFSILICONES
“Siliconesshowamuchhigher
thermalstabilitythanepoxies”
7. THERMALAGEINGOFDIMETHYLVSPHENYL-TYPE
At higher temperatures (>170°C), Dimethyl-type silicones
show significant transmittance loss.
At higher temperatures (>170°C), Phenyl-type silicones show
little transmittance loss.
“BothPhenylandDimethyltypesilicones
havetransmittanceratesabove92%
abovethevisiblerange”
8. NOCOLORCHANGE OFSILICONES
Silicone (Siloxane Structure) Organic Resin (PPA, Epoxy, etc)
Decompositiongenerates
SiO2 (glass)
+CH4 (gas)
+ … = NO Color Change
Decompositiongenerates
CO2, CO (gas)
+C (Carbon Black)
+NH (Brownish)
+ … = Color Change
9. STANDARDSILICONE(SUITABLEFORCOMPRESSIONMOLDING)
CAPLINQ LinqSil DM-1001 DM-1002 PH-5001 PH-5002
Type Dimethyl Type Phenyl Type
Mixing Ratio 1:1 10:1
Base Silicone Viscosity Pa.s 23.7 41 1.9 4.3
Hardner Silicone Viscosity Pa.s 4.5 18 5.3 2.2
Mix Viscosity Pa.s 9.4 37.6 2.5 3.5
Volatility % 0.6 0.2 0.3 0.8
Hardness Type A 79
89
(Shore D 30)
84 Shore D 40
Tensile Strength MPa 10.8 3 3 -
Elongation % 100 10 40 -
Young’s Modulus (E) MPa 26 67 6.2 25
CTE ppm/°C 258 222 212 222
Refractive Index nd25 1.4 1.5
10. GET IN TOUCH
Contact us to find out how CAPLINQ can help your company reach the next level
Ottawa, Canada Office
Serving Canada, USA, Mexico & South America
CAPLINQ Corporation
957 Snowshoe Crescent
Orléans (Ottawa) ON K1C 2Y3
Canada
Phone: +1 (613) 482-2215
Fax: +1 (702) 995-1235
Amsterdam, Netherlands Office
Serving Europe, Middle East, Asia & Africa
CAPLINQ Europe BV
Provincialeweg 1
1561 KK Krommenie
The Netherlands
Phone: +31 (20) 893 2224
Fax: +31 (84) 746 3497
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Email us at info@caplinq.com