Shielding film for high-speed signal transmission FPC (high bending property)

WILMINA®
SF-FT®8905-C

UL94 VTM-0 to be certified (combined with Kapton50H)
* Kapton® is a registered trademark of DuPont in the U.S.

Product Overview

This shielding film demonstrates high shield performance in high frequency ranges with improved bendability. With the advent of foldable phones, etc., there are increasing demands for shielding films that are resistant to movement while maintaining high shield performance, and this product meets those demands. This bendability is also ideal for wearable products, which are expected to become more widespread in the future.

Features

Tough bendability performance

Offers TATSUTA’s record-high durability in the MIT test & evaluation. (* As of December 2020)
Number of folds 25,000> (Conditions: R0.38/±135°)
High shield performance

Offers high shield performance in high frequency ranges.
SF-FT8905-C: Over 70dB/1GHz

Shielding film for high-speed signal transmission FPC (high bending property)

Main specifications

Item		SF-FT8905-C
Thickness Transfer film		57um
Total thickness (after press)		10um
	Protection layer	5um
	Shielding layer	0.3um
	Isotropic conductive adhesion layer	5um
Peeling strength		Over 3.0N/cm
Shelf life (keep cool)		6 months

Examples of Use

Demonstrates superior effect on folding parts

Reference data

Electric near field shield effectiveness by KEC method
Magnetic near field shield effectiveness by KEC method
MIT test & evaluation results
Test conditions
- ・Folding clamp end R: 0.38mm
- ・Folding angle: ±135°
- ・Folding speed: 175cpm
- ・Load: 500gf
- ・Detection method: Breaks in the shielding film are detected by the built-in energizing device.