Shijiazhuang Dajia New materials Technology Co.,Ltd
Shijiazhuang Dajia New materials Technology Co.,Ltd
홈페이지> 블로그> double sided copper clad laminate polyimide film

double sided copper clad laminate polyimide film

October 07, 2023
double sided copper clad laminate polyimide film 

double sided copper clad laminate polyimide film is  advanced applications in military, aerospace, automotive and consumer electronics markets, 

where reliable embedded resistor technology, temperature tolerance, and robust processing is required.

copper coated PI film features:


Excellent resistive layer tolerance and electrical performance
Excellent dielectric thickness tolerance
Embedded capacitance and resistance in a single laminate
Thin, rugged copper clad laminate with superior handling and processing
High copper polyimide film adhesion strength
Low coefficient of thermal expansion for flex and rigid multi-layer PCBs

Excellent thermal resistance, up to 180C (356F) M.O.T.


Item Unit Thickness
20 25 50
Hemispherical emissivity
factor
metalized side Ɛ          0.04±0.02
non metalized side 0.61±0.02 0.69±0.02
Solar direct
absorptance
metalized side ρ1           0.09±0.02
non metalized side        0.33±0.02 0.38±0.02
Normal emittance mm.mrad. 0.035
high temp resistance 400
thermal properties low temp resistance 200
short term temp 400
Adhesion of
 aluminum layer
N 1.45
ionization radiation
 effect
rad 3.10*9
salt-fog resistance 24h/5%Salinity
195-200
100times≤ 5% salt spray in 24 hours,
test between -195 
 to 200,
thermal cycle 100 times
Meet 10 pcs humidity cycle tests at the same time

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Author:

Ms. Susan Niu

Phone/WhatsApp:

+8613739726285

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