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Double sided Flex

Single and double-sided flexible printed circuits from willpower are utilized in a wide variety of electronic assemblies from simple antennas to complex control circuitry. The single and double-sided flexible circuits are produced using: adhesive based polyester (“PET” / “PEN”) or polyimide (PI) film substrates with copper thicknesses ranging from 18um to 140um. These circuits can be provided in single pieces, multiple up arrays, or in rolls. 

 

Double sided Flex
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For more in depth information on Flex Printed Circuits, click on the links below:
  • Application field
  • Technical ability
  • Material
  • Advanced equipment
  • Reliability

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Project  Ability
Roll to roll (one side) YES
Roll to roll (double) NO
Volume to roll material width mm  250
Minimum production size mm  250X250
Maximum production size mm  500X500
SMT Assembly patch (Yes/No) YES
Air Gap capability (Yes/No) YES
Production of hard and soft binding plate(Yes/No) 10
Max layers(Hard) 10
Tallest layer(Soft plate) 6
Material Science   
PI YES
PET YES
Electrolytic copper YES
Rolled Anneal Copper Foil YES
PI  
Covering film alignment tolerance mm ±0.1 
Minimum covering film  mm 0.175
Reinforcement  
PI YES
FR-4 YES
SUS YES
EMI SHIELDING  
Silver Ink YES
Silver Film YES
Material Vendor Ability
FCCL Panasonic PI: 0.5mil -9mil
       2L,RA、ED Cu
Dupont
Coverlay Dupont PI: 0.5mil -2mil
       adhesive:0.5-2mil
Taiflex
CCL ITEQ Mid. and High Tg FR4
       Lead-free
       Halogen-free
       PI
SHENGYI
Arlon
EMC
Prepreg ITEQ Mid. and High Tg FR4
       Lead-free
       Halogen-free
       PI
VENTEC
EMC
Arlon
Speacial
       Material
Dupont Tk High frequency
       High speed
Panasonic LCP
Tatsuta Shielding film
Dupont Bondply Bondfilm
Stiffener Taiflex PI +adhesive
Hardcc Ceramic + adhesive
Others FR4 + adhesive
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