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CHEMIFLEX L
[Newly Developed]
Flexible Copper Clad Laminate for High Frequency Applications
Characteristics
CHEMIFLEX L is a FCCL, Flexible Copper Clad Laminate, which is composed, in no use of adhesives, of LCP, liquid crystal polymer, film of 50 micron as insulator and rolled copper foil of 18 micron of which surfaces are as rolled and not roughed.
● Excellent high frequency characteristic
● No performance change after moisture adsorption
● Excellent dimension stabilities
● Satisfactory peel strength
● Excellent bending resistance
Structure of CHEMIFLEX L
Double sided FCCL
Single sided FCCL
High frequency transmission characteristic of the CHEMIFLEX L
Test device
Manufacturer： Keysight Technologies
Type： E8363B
Frequency： 10M – 40GHz
Measured number of points： 4,000
Probe ： Single GSG250 of CascadeMicrotec
E8363B
Conditioning
Normal： 23℃, 50%RH for 48 hours
Moisture adsorption： Immersed in 23℃ water for 48 hours
Cross-sectional view of the test pieces for measurement of the high frequency transmission characteristic
Photographs of the through holes
×200
×400
Flow chart on preparation of the test pieces for measurement of the high frequency transmission characteristic
Characteristics of the CHEMIFLEX L
Test pieces of Insulation resistance of surface layers and Dielectric withstanding voltage of surface layers
With cover lay of polyimide film
Without cover lay
Test piece used in Bending Resistance test
Flow chart on preparation of the test pieces for measurement of the insulation resistance
Characteristics of the LCP Film of CHEMIFLEX L
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