Grounding Solutions

Free Grounding Film for EMI Shielding Films

FGF®-500
FGF®-800

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

UL 94 V-0 (when combined with Kapton® 50H)
* Kapton® is a registered trademark of an affiliate of Qnity Electronics, Inc.

Product Overview

Conductive particles in the conductive adhesive contact the shielding layer of the shielding film, enabling the FPC GND to be brought out for external connection. In addition, gold plating on the outermost layer provides stable connection resistance.
*Performance is not guaranteed when used in combination with shielding films other than those manufactured by TATSUTA.

Features

  • Enables GND connection at any location on the shielding film

    Provides an external GND connection within the FPC wiring area.
  • Enables high-density FPC wiring

  • Ultrathin 12 µm design (FGF-500)

  • Suitable for small mounting areas (FGF-800)

Free Grounding Film for EMI Shielding Films

Main specifications

Item FGF®-500 FGF®-800
Reinforcing film thickness 64 µm 64 µm
Product thickness (after pressing) 12 µm 16 µm
Structure thickness (after pressing) Surface treatment layer thickness Approx. 0.5 µm Approx. 0.5 µm
Thin metal layer thickness 6 µm 6 µm
Anisotropic conductive adhesive layer thickness 6 µm 10 µm
Joint resistance (FGF size : 10 mm × 5 mm) 1.0 Ω or less 1.0 Ω or less
Adhesion strength Adherend : TATSUTA
Shielding film
3.0 N/cm or more 3.0 N/cm or more
Shelf life (refrigerated) 6 months 6 months

Examples of Use

Using FGF allows the FPC area to be used more efficiently for wiring, enabling smaller FPC designs. It also enables multiple GND connection points for high-density wiring and improved shielding performance.

  • Conventional design — GND formed on the FPC
    Conventional design — GND formed on the FPC
  • With FGF — Larger wiring area at the same FPC size
    With FGF — Larger wiring area at the same FPC size
  • With FGF — Smaller FPC with the same wiring area
    With FGF — Smaller FPC with the same wiring area
  • Application Example

    GND can be provided at virtually any desired location on the shielding film.
    GND can be provided at virtually any desired location on the shielding film.

Reference data

  • Joint resistance by shielding film type and FGF size (FGF-800)

* All data and numerical values shown above are measured values and are not guaranteed values.

Related Products

Download reference materials

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