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3M 9703

9703 is a pressure sensitive adhesive (PSA) transfer tape with anisotropic electrical conductivity.
The PSA matrix is filled with conductive particles which allow interconnection between substrates through the adhesive thickness (the “Z-axis”) but are spaced far enough apart for the product to be electrically insulating in the plane of the adhesive.
The PSA tack properties and lack of any thermal curing make 3M ECATT 9703 easy to use in assembly operations.

Data Sheet

3M 9703 Data Sheet

Insulation Resistance3.4 x 1014 ohms/square (estimated based on 3M™ Electrically Conductive Adhesive Transfer Tape 9703)
Contact Resistance< 0.3 ohms (3M Test Method, Gold PI Flex onto Gold PCB, RT Initial R, 6 mm2 )
Minimum Gap15 mil (0.4 mm)
Minimum Overlap Area5000 mil2 (3.2 mm2 )
Apparent Thermal Conductivity0.16-0.20 W/mK

3M 9703 Features

  • Low-outgassing acrylic adhesive
  • Anisotropic Z-axis electrical conductivity
  • PSA tack properties
  • Thermal curing is not required
  • Easy to use in assembly operations
  • Can be applied as die-cut parts or in roll form

3M 9703 Applications

  • Electrical connectivity to medium-pitch flexible circuits and PCBs
  • Flex circuit to flex circuit interconnection
  • PCB/flex/chassis grounding
  • EMI shield & gasket attachment
  • Electrostatic discharge (ESD)

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