Dow Corning® OE-6662 Dow Corning OE

Dow Corning® OE-6662
Optical Encapsulant
Typical Values of OE-6662
Property
Units
Value
Units
Value
One or Two Part
-
2-part
Mix Ratio
-
1:4
Adhesion - Die
Shear (Al)
Tensile Strength
MPa
5.9
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
Light Transmittance
@450nm, 1mm thickness
%
100
Property
o
C
43
H2 O Permeability
g/m /24h
2
13.7
O2 Permeability
cm /m /24h/atm
495
3
3
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
Dispensing
Heat cure
Low Gas Permeability
Dow Corning® OE‐6662 Optical Encapsulant Optical
Encaps lant (D65)
13.7
Dow Corning® OE‐6665 Optical Encapsulant (D70)
OE 6662 (D65)
OE‐6662 (D65)
495
12.1
OE‐6665 (D70)
Dow Corning® OE‐6650 Optical Encapsulant (D50)
14.5
Dow Corning® OE‐6630 Optical Encapsulant (D40)
14.5
510
OE‐6630 (D40)
Dow Corning® OE‐6636 Optical Encapsulant (D30) 16.6
0
5
10
H20 (g/m2/24h) Moisture Permeability
Test Method: JIS Z 0208
40C/90%
Thickness: 0.9 mm
15
630
OE‐6636 (D30) 20
730
0
100
200
300
400
500
O2 (cm3/m2/24h/atm) Oxygen Permeability
Test Method : JIS K 7126
23C/0%
Thickness: 0.9 mm
600
700
800
Low Surface Tackiness
Tackiness Force (gf)
00.5kg
5k
Load
Cell
Dow Corning®
OE-6631 Optical
Encapsulant
OE-6636
OE-6650
OE-6662
1
7.8
10.2
0.9
0.3
2
9.3
10.3
1.4
0.2
3
7.9
10.2
0.7
0.5
A e
Ave.
83
8.3
10 2
10.2
10
1.0
03
0.3
• Equipment: Texture analyzer TA XT Plus
• Probe size: ¼” spherical stainless probe
Improved Reliability
PKG, Thermal Cycle Testing
- 5050 PKG
PKG failure # / Total #
Cycles
OE-6662
(D65)
OE-6665
(D70)
OE-6630
(D40)
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
g Transmittance
100
Transmitta
ance %
90
OE-6662
80
70
60
50
400
450
500
550
600
650
700
Wave length nm
Transmittance spectrum (2 mm thick)
No particular light absorption in visible
wavelength (400 -800 nm)
750
800
Pot Life
8000
7000
Visccosity (mPa--s)
6000
5000
4000
3000
OE-6662
2000
1000
0
0
2
4
6
8
Time (hr)
10
12
Viscosity change at 25 C for 8 Hr, 20% - 30% range
14
Viscosity with Temperature
5000
4000
Viiscosity mPas
OE 6662
OE-6662
3000
2000
1000
0
20
40
60
T
Temperature
t
C
80
Temp ramp rate:5C/min
100
Cure Profile
30
Torq
que (dNm)
25
20
15
110C
10
130C
150C
5
0
0
100
200
300
Time (sec)
400
500
600
Summary
• OE-6662 is a 1:4 mixingg ratio HRI product
p
designed
g
f conventional
for
i l dispensing
di
i process.
Key features are
 Lower gas permeability than most of OE
OE-66XX
66XX
 Low surface tackiness
 Improved reliability compared with OE-6665
OE 6665
Package Information
• Package Information
– 1.875 Kg –
A: 375gg Bottle X 1,,
B: 500g Bottle X 3
– Storage
g condition is below 32C
– 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
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.

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