Dow Corning® OE-6662Dow Corning OE-6662Optical Encapsulant

Typical Values of OE-6662

Property Units Value Property Units Value

One or Two Part - 2-part Adhesion - DieShear (Al)

MPa 5.9

Mix Ratio - 1:4 Tensile Strength MPa 7.5

Color - Colorless to pale yellow Yeong Modulus MPa 290

Viscosity/Flowability(part A)

cP 12,000 Complex Modulus MPa 95

Viscosity/Flowability(part B)

cP 3,000 Enlogation % 55

Viscosity/Flowability(average of A&B) cP 4,000 CTE (Alpha 1) ppm 100

Hardness Shore D 65 CTE (Alpha 2) ppm 210

Refractive Index - 1.53 Tg oC 43H2O Permeability g/m2/24h 13.7

O2 Permeability cm3/m3/24h/atm 495100%Light Transmittance

@450nm, 1mm thickness

How to Use

• Typical process- Mix at recommended standard ratio

• OE-6662 A/B=1/4

Designed for conventional dispensing process• Curing at 150C for 1 hr after de-gas under reduced

pressure

Silicone

Heat cureDispensing

Low Gas Permeability

13.7Dow Corning® OE‐6662 Optical Encaps lant (D65) 495OE 6662 (D65)

14.5

12.1

Dow Corning® OE‐6650 Optical Encapsulant  (D50)

Dow Corning® OE‐6665 Optical Encapsulant  (D70)

Optical Encapsulant  (D65)

510

495

OE‐6665 (D70)

OE‐6662 (D65)

16.6

14.5

Dow Corning® OE‐6636 Optical Encapsulant  (D30) 

Dow Corning® OE‐6630 Optical Encapsulant  (D40)

730

630

OE‐6636 (D30) 

OE‐6630 (D40)

0 5 10 15 20

H20 (g/m2/24h) 

0 100 200 300 400 500 600 700 800

O2 (cm3/m2/24h/atm) 

Moisture PermeabilityTest Method: JIS Z 0208

40C/90%

Oxygen PermeabilityTest Method : JIS K 7126

23C/0%40C/90%Thickness: 0.9 mm

23C/0%Thickness: 0.9 mm

Low Surface Tackiness

Tackiness Force (gf)

Dow Corning®

OE-6631 Optical Encapsulant OE-6636 OE-6650 OE-6662

0 5k1 7.8 10.2 0.9 0.3

0.5kg Load Cell

2 9.3 10.3 1.4 0.23 7.9 10.2 0.7 0.5

A e 8 3 10 2 1 0 0 3

• Equipment: Texture analyzer TA XT Plus

Ave. 8.3 10.2 1.0 0.3

Equipment: Texture analyzer TA XT Plus• Probe size: ¼” spherical stainless probe

Improved Reliability - 5050 PKG Thermal Cycle Testing5050 PKG, Thermal Cycle Testing

PKG failure # / Total #

Cycles OE-6662(D65)

OE-6665(D70)

OE-6630(D40)

PKG failure # / Total #

0 0/12 0/11 0/12

250 0/12 10/11 0/12

300 6/12 10/11 10/12

350 7/12 10/11 12/12

400 11/12 - -

TCT condition：-40C(30min)/125C(30min)

Light Transmittanceg100

80

90

ance

% OE-6662

60

70

Tra

nsm

itta

50

60

400 450 500 550 600 650 700 750 800

Transmittance spectrum (2 mm thick)

Wave length nm

No particular light absorption in visible wavelength (400 -800 nm)

Pot Life

8000

6000

7000-s

)

3000

4000

5000

cosi

ty (m

Pa-

1000

2000

3000

Vis

c

OE-6662

00 2 4 6 8 10 12 14

Time (hr)

Viscosity change at 25 C for 8 Hr, 20% - 30% rangeTime (hr)

Viscosity with Temperature

5000

4000

OE 66623000

iscos

ity m

Pas

OE-6662

1000

2000Vi

020 40 60 80 100

T t CTemperature C

Temp ramp rate:5C/min

Cure Profile

30

25

30

15

20

que (

dNm

)

110C

5

10Torq

130C

150C

0

5

0 100 200 300 400 500 600

Time (sec)

Summary

• OE-6662 is a 1:4 mixing ratio HRI product designed f i l di i

g p gfor conventional dispensing process.

Key features areLower gas permeability than most of OE-66XXLower gas permeability than most of OE 66XX Low surface tackiness Improved reliability compared with OE 6665 Improved reliability compared with OE-6665

Package Information

• Package InformationPackage Information– 1.875 Kg –

A: 375g Bottle X 1, g ,B: 500g Bottle X 3

– Storage condition is below 32Cg– Shelf life is 12 months after

manufacturing

The information provided in this presentation does not constitute a contractual commitment by Dow Corning. While Dow Corning does its best to assure that information contained in this presentation is accurate and fully up-to-date Dow Corning does notdoes its best to assure that information contained in this presentation is accurate and fully up-to-date, Dow Corning does not guarantee or warranty the accuracy or completeness of information provided in this presentation. Dow Corning reserves the right to make improvements, corrections and/or changes to this presentation in the future.