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Standard Materials

Standard Materials

BASE MATERIALS:
Polyimide: .5 mil to 5 mils (.012mm - .127mm)
Polyester: 2 mil to 15 mils (.050mm - .127mm)
Adhesiveless Materials: Copper thickness .5oz. to 2oz.
Flame Retardant: Laminates and Coverlay
LCP
Other Materials Upon Request
BASE COPPER:
.5 oz. - .0007" (.018mm) thick copper
1 oz. - .0014" (.036mm) thick copper
2 oz. - .0028" (.071mm) thick copper
3 oz. - .0042" (.107mm) thick copper
4 oz. - .0056" (.142mm) thick copper
5 oz. - .0070" (.178mm) thick copper
6 oz. - .0084" (.213mm) thick copper
7 oz. - .0098" (.249mm) thick copper
Thicker coppers are available (call for information).
SOLDER MASK:
Polyimide coverlay: .5 mil to 5 mils (.012mm - .127mm)
Polyester coverlay: 1.5 mil to 3 mils (.076mm - .228mm)
Photo-imageable covercoat: Liquid for Surface Mount and dense applications
SURFACE FINISH:
Hot Air SOlder Level (HASL) RoHS Compliant and Tin Lead
Tin Plating (RoHS Compliant) Elxtroless and electrolytic
Silver (RoHS Compliant) Immersion
Hard Gold over Nickel (RoHS Compliant) (Typically used for contacts)
Soft Gold over Nickel (RoHS Compliant) (Electrolytic - typically used for bonding gold wire to the gold layer)
ENIG (Electroless Nickel Imersion Gold) (RoHS Compliant) (Electroless - typically used for bonding aluminum wire to the nickel under the gold)
Organic Coating OSP (RoHS Compliant)
RIGIDIZERS/STIFFENERS:
FR4-drilled, routed and scored
Aluminum
Polyimide
Polyester
Stainless Steal
CERTIFICTATIONS:
ISO 9001:2008 Certified
AS9100 Certified
MIL-P-50884D Qualified
QA 9000 Compliant
RoHS Compliant
IPC Member: Product is manufactured in accordance with the requirements of IPC-6013
ITAR Registerd
JCP Certified
UL Certified for individual polyimide layers up to 3mil (not multi-layers)
Off-Center Stripline Impedance Calculator
http://www.ideaconsulting.com/dstrip.htm
Typical technical information and properties of dielectric material for
flexible printed circuitry.
Property Units Polyimide Polymide
(Adhesiveless)		 Polyester
  Representative Trade Name - Polyimide Polyimide Mylar
  Physical
  Thickness Range mil .5 to 5 1 - 6 0.025 to .5
  Tensile Strength (at 25° C) psi 25,000 50,000 20,000 to 35,000
  Break Elongation % 70 50 60 to 165
  Tensile Modulus (at 25° C) 100,000 psi 4.3 .7 5
  Tear Initiation Strength lb/in 1000 700 - 1200 1000 to 1500
  Tear Propagation Strength g/mil 8 20 12 to 25
  Chemical
  Resistance to:
  Strong Acids - Good Good Good
  Strong Alkalis - Poor Good Poor
  Grease and Oil - Good Good Good
  Organic Solvents - Good Good Good
  Water - Good Good Good
  Sunlight - Fair Good Good
  Fungus - Non-nutrient Non-nutrient Non-nutrient
  Water Absorption (ASTM D570) % (24 hours) 2.9 .8 <0.8
  Thermal
  Service Temperature (min/max)
  Coefficient of Thermal		 degree C -200/+300 -200/ +350 -60/+105
  Expansion (at 22° C) PPM/ degree C 20 20 27
  Change in Linear Dimensions
  (100° C, 30 min)		 % <0.3 0.01 - 0.02 <0.5
  Electrical
  Dielectric Constant (ASTM D150)
  1MHz 		   3.4 3.4 3
  Dissipation Factor (ASTM D150)
  1MHz		   0.01 .003 0.018
  Dielectric Strength (ASTM D149)
  @ 5 mil thickness
  Volume Resistivity (ASTM D257)		 V/mil
ohm-cm		 3800
1.0E+16		 6000
1.0E+16		 3400
1.0E+16

 

Current Carrying Capabilities:

Copper Weight
AMPS 1/2 oz. (0.0007") 1 oz.
(0.0014")		 2 oz. (0.0028") 3 oz. 4 oz. 5 oz. 6 oz. 7 oz.

Width in Inches
0.5 0.013" 0.008" N/A N/A N/A N/A N/A N/A
1.0 0.028" 0.017" 0.013" N/A N/A N/A N/A N/A
1.5 0.040" 0.027" 0.020" N/A N/A N/A N/A N/A
2.0 0.053" 0.040" 0.030" 0.0235" N/A N/A N/A N/A
2.5 0.080" 0.060" 0.042" 0.0325" 0.0285" N/A N/A N/A
3.0 0.100" 0.083" 0.057" 0.045" 0.0387" N/A N/A N/A
4.0 0.160" 0.120" 0.088" 0.066" 0.055" 0.048" 0.043" N/A
5.0 0.225" 0.158" 0.118" 0.09" 0.074" 0.065" 0.059" 0.053"
6.0 0.285" (off chart) 0.195" 0.153" 0.117" 0.094" 0.082" 0.074" 0.0687"
7.0 N/A (off chart) 0.250" 0.187" 0.145" 0.124" 0.105" 0.0905" 0.082"
8.0 N/A (off chart) 0.307" 0.232" 0.180" 0.1485" 0.130" 0.122" 0.111"
This chart gives recommendations for width of conductor needed to carry current on different copper thickness.

 

Stripline Impedance:

Dielectric
Thickness		 Impedance
20 40 60
Conductor
Width = W
  0.002" 0.007" 0.004" N/A
  0.003" 0.012" 0.006" 0.003"
  0.004" 0.016" 0.009" 0.005"
  0.005" 0.021" 0.0012" 0.007"
  0.006" 0.026" 0.015" 0.008"
  0.007" 0.030" 0.018" 0.010"
  0.008" 0.0035" 0.020" 0.011"
  0.009" 0.039" 0.023" 0.013"
  0.010" 0.044" 0.026" 0.015"
Based on 1 oz. (0.0014") copper conductors separated by polyimide, with a dielectric constant of 3.4 at 1 Mhz. These are for estimation only.

All Flex specializes in quickturn flexible circuitry design, fabrication, and assembly of flex circuits, multilayer flex pcbs, and single and double sided flexible pcbs. We provide engineering services for flexible circuit boards and value add services including mixed form factor flex circuit assembly of flexible circuits.
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