GND reinforcement

Free ground bonding film
(for shielding film)

FGBF®-700

  • SP
  • PC/Tablet
  • AUTO
  • TV
  • Other

UL94 V-0 (combined with Kapton200H)
* Kapton® is a registered trademark of DuPont in the U.S.

Product Overview

At the same time when a shielding film on FPC and a metallic stiffener are bonded, the FPC GND and external GND can be connected through the shielding film and metallic stiffener. Accordingly, this product can improve the degree of freedom in the design of FPC wiring, and because there is no need for coverlay opening, processes can be simplified and smoothness of FPC can be secured.
* We do not guarantee any combination with other products than TATSUTA-manufactured shielding films.

Features

  • Enables connection with external GND through the shielding film and metallic stiffener

    Enables high density wiring design of FPC.
  • Enables across-the-board shield

    Enables shield on the periphery of the stiffener because it can be bonded on the shielding film.
  • Reduces surface roughness of FPC

    Because there is no need for coverlay opening, roughness of the component mounting surface can be reduced.
Free ground bonding film</br> (for shielding film)

Main specifications

Item FGBF-700
Total thickness (after press) 23μm
Peeling strength vs. Ni-SUS Over 5.0N/cm
vs. shielding film (TATSUTA-manufactured) Over 3.0N/cm
Shelf life (keep cool) 6 months

Examples of Use

  • In the case where coverlay opening cannot be provided due to the narrow outer width of FPC

    In the case where coverlay opening cannot be provided due to the narrow outer width of FPC
  • In the case where shielding film can not be bonded in between due to the narrow stiffener spacing

     In the case where shielding film can not be bonded in between due to the narrow stiffener spacing
  • In the case where coverlay opening cannot be designed due to the large number of wiring of FPC

    In the case where coverlay opening cannot be designed  due to the large number of wiring of FPC
  • Differences in use method and area between the FGBF-700 and CBF series

    Differences in use method and area between the FGBF-700 and CBF series

Reference data

  • Joint resistance value (Ni-SUS size: 5.0mm x 10.0mm)

Download reference materials

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