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Rogers Corporation Ultralam® 3908 Liquid Crystalline Polymer Circuit Material

Category Polymer
Manufacturer Rogers Corporation
Trade Name Ultralam®
Port Ningbo port,China
Trade Terms FOB, CFR, CIF
Payment Terms L/C, T/T, Western Union
Download PDF Rogers Corporation Ultralam® 3908 Liquid Crystalline Polymer Circuit Material.pdf
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Material Notes:
ULTRALAM® 3908 bondply is used as a bonding medium between copper and the dielectric material. This product was developed specifically for multi-layer substrate constructions. This adhesiveless film is well suited for high speed and high frequency applications in telecommunication network equipment, high-speed computer data links and other high performance applications.Features and Benefits:Excellent electrical properties - Stable dielectric constant for minimal cross talk between signal layers, allows use of thinner bonding film with very minimal signal lossLow modulus - Bends easily for flex applications, offers design flexibility and minimizes space requirementsExtremely low moisture absorption - maintains stable electrical, mechanical and dimensional propertiesFlame resistant - halogen-free, UL94VTM/0 (meets requirements for consumer products)Typical Applications:All LCP flex interconnections - high speed switches and routers, Backplane-to-backplane, Data links, Card-to-cardHybrid substrates - Handheld and RF devicesInformation provided by Rogers Corporation.
Physical Properties Metric English Comments
Water Absorption 0.040 %

@Time 86400 sec
0.040 %

@Time 24.0 hour
IPC 2.6.2
Thickness 25.4 - 50.8 microns
1.00 - 2.00 mil
10% tolerance for variation
Mechanical Properties Metric English Comments
Tensile Strength 214 MPa
31000 psi
IPC 2.4.19
Tensile Modulus 2.45 GPa
355 ksi
IPC 2.4.19
Tear Strength Test >= 1.4
>= 1.4
kg; IPC 2.4.16
Thermal Properties Metric English Comments
CTE, linear 17.0 µm/m-°C

@Temperature 30.0 - 150 °C
9.44 µin/in-°F

@Temperature 86.0 - 302 °F
X-, Y-Direction; IPC 2.4.41.3
150 µm/m-°C

@Temperature 30.0 - 150 °C
83.3 µin/in-°F

@Temperature 86.0 - 302 °F
Z-Direction; IPC 2.4.41.3
Melting Point 280 °C
536 °F
DSC
Maximum Service Temperature, Air >= 240 °C
>= 464 °F
UL RTI
UL RTI, Mechanical without Impact 190 °C
374 °F
Flammability, UL94 V-0
V-0
Electrical Properties Metric English Comments
Volume Resistivity 2.60e+20 ohm-cm
2.60e+20 ohm-cm
IPC 2.5.17.1
Surface Resistance 1.20e+18 ohm
1.20e+18 ohm
IPC 2.5.17.1
Dielectric Constant 2.9

@Frequency 1.00e+10 Hz
2.9

@Frequency 1.00e+10 Hz
IPC-TM-650 2.5.5.5.1
Dielectric Strength 118 kV/mm
3000 kV/in
ASTM D149
Dissipation Factor 0.0025

@Frequency 1.00e+10 Hz
0.0025

@Frequency 1.00e+10 Hz
IPC-TM-650 2.5.5.5.1
Descriptive Properties Value Comments
Chemical Resistance 98.7 percent
IPC 2.3.4.2
Coefficient of Hygroscopic Expansion 4 ppm/%RH
60°C
Dimensional Stability < 0.1%
MD; IPC 2.2.4 method B
< 0.1%
TD; IPC 2.2.4 method B
Solder Float pass
IPC 2.4.13, Method B; 288°C
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