| |
|
ITEQ Laminate/ Prepreg : IT-140TC / IT-140BS
IPC-4101B Spec / 21 |
|
LAMINATE(IT-140TC) |
|
Property |
Thickness<0.50 mm
[0.0197 in] |
Thickness≧0.50 mm
[0.0197 in] |
Units |
Test Method |
|
Typical Value |
Spec |
Typical Value |
Spec |
Metric
(English) |
IPC-TM-650
(or as noted) |
|
Peel Strength, minimum
A. Low profile copper foil and very low profile copper foil - all copper weights > 17mm [0.669 mil]
B. Standard profile copper foil
1. After Thermal Stress
2. At 125°C [257 F] |
0.96(5.5)
1.75(10.0)
1.66(9.5) |
0.70(4.0)
0.80 (4.57)
0.70 (4.00) |
0.96(5.5)
1.93(11.0)
1.66(9.5) |
0.70(4.0)
1.05 (6.00)
0.70 (4.00) |
N/mm
(lb/inch) |
2.4.8
2.4.8.2
2.4.8.3 |
|
Volume Resistivity, minimum
A. C-96/35/90
B. After moisture resistance
C. At elevated temperature E-24/125 |
5x108
-
5x107 |
106
—
103 |
5x108
5x107 |
---
104
103 |
MW-cm |
2.5.17.1 |
|
Surface Resistivity, minimum
A. C-96/35/90
B. After moisture resistance
C. At elevated temperature E-24/125 |
3.5x106
---
6x106 |
104
—
103 |
3.5x106---
6x106 |
---
104
103 |
MW |
2.5.17.1 |
|
Moisture Absorption, maximum |
0.30 |
- |
0.1 |
0.8 |
% |
2.6.2.1 |
|
Dielectric Breakdown, minimum |
- |
- |
60 |
40 |
kV |
2.5.6 |
|
Permittivity at 1 MHz, maximum
(Laminate & Prepreg as laminated) |
4.6 |
5.4 |
4.6 |
5.4 |
— |
2.5.5. |
|
Loss Tangent at 1 MHz, maximum
(Laminate & Prepreg as laminated) |
0.016 |
0.035 |
0.016 |
0.035 |
— |
2.5.5. |
|
Flexural Strength, minimum
A. Length direction
B. Cross direction |
-
- |
—
— |
496(72,000)
434(63,000) |
415 (60,190)
345 (50,040) |
N/mm2
(lb/in2) |
2.4.4 |
|
Arc Resistance, minimum |
120 |
60 |
120 |
60 |
S |
2.5.1 |
|
Thermal Stress 10 s at 288°C [550.4F],minimum
A. Unetched
B. Etched |
Pass
Pass |
Pass Visual
Pass Visual |
Pass
Pass |
Pass Visual
Pass Visual |
Rating |
2.4.13.1 |
|
Electric Strength, minimum
(Laminate & Prepreg as laminated) |
45 |
30 |
- |
— |
kV/mm |
2.5.6.2 |
|
Flammability,
(Laminate & Prepreg as laminated) |
V-0 |
V-0 |
V-0 |
V-0 |
Rating |
UL94 |
|
Glass Transition Temperature |
140 |
110 minimum |
140 |
110 minimum |
˚C |
2.4.25 |
|
Decomposition Temperature |
|
-- |
305 |
- |
˚C |
2.2.24.6
(5% wt loss) |
|
Z-Axis CTE
A. Alpha 1
B. Alpha 2
C. 50 to 260 Degrees C |
-
-
- |
--
--
-- |
55
290
4.2 |
-
-
-
|
PPM/˚C
PPM/˚C
% |
2.4.24 |
|
Thermal Resistance
A. T260
B. T288 |
-
- |
--
-- |
15
2 |
-
-- |
Minutes
Minutes
|
2.4.24.1 |
|
PREPREG( IT-140BS) |
|
|
|
Typical Value |
Specification |
Units |
Test Method |
|
|
1. Shelf Life, minimum (Condition 1/Condition 2) |
Meet requirement |
180/90 |
Days |
AABUS |
|
|
2. Volatile content maximum |
0.3 |
0.75 |
% |
2.3.19 |
|
|
*AABUS = As agreed upon between user and supplier.
|
|
Recommended Press Cycle For IT140
|
IT-140
