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FM SHIELD™ Magnetic Shield Sheets

FM SHIELD

DESCRIPTION

This is a thin, lightweight, flexible, and easy-to-handle magnetic shielding sheet made by laminating a thin ribbon of the nanocrystalline soft magnetic material FINEMET® FT-3KM with PET film.

Features:

It exhibits excellent magnetic shielding performance especially in frequency bands below several hundred kHz.
Since the saturation magnetic flux density is as high as 1.23T, magnetic shielding of about 100μT is possible with a single phase.
By stacking layers, it is possible to shield stronger magnetic fields.

There is little deterioration in magnetic shielding performance due to processing such as bending, punching, and cutting, and it is easy to process into curved surfaces and various shapes. Long rolls are suitable for large-scale construction such as shielded rooms.

You can choose the most suitable product from two types: the standard specification product and the highly heat-resistant FINEMET®, which has a heat-resistant temperature of 130℃.

Structure:

Characteristics:

Type standard specification product highly heat-resistant FINEMET®
Dimension 470mm × 100m 460mm × 610mm 470mm × 100m 460mm × 610mm
P/N MS-FR 470-100M-T0 MS-F SD-460×610-T0 MS-FHR 470-100M-T0 MS-FH SD-460x610-T0
Thickness 0.13mm 0.05mm
Magnetic flux density B800 (DC H=800A/m) ≧ 1.1T
Maximum permeability, µ max (DC) ≧ 70,000
Operating Tempreture range -40 ~ +80℃ -40 ~ +130℃

Table1. List of Characteristics
Double-sided adhesive tape is available for 610 mm × 460 mm sheet

Comparison between high heat-resistant products and standard specification products

Characteristic High heat resistant products Standard specification products
Saturation Magnetic Flux Density
B800 (DC H=800A/m)
≧ 1.1T
maximum permeability µ max
(DC)
≧ 70,000
Thickness 0.05mm 0.13mm
temperature range -40 ~ +130℃ -40 ~ +80℃

Table2. Comparison data

  1. High heat-resistant products can be used in environments with temperatures up to 130℃.
  2. The high heat-resistant product is thin at 0.05mm (40% compared to conventional products), so it can be used even in narrow spaces.

Application

  • Measures against magnetic noise inside xEV
  • Suppression of magnetic field noise inside electronic devices such as cameras, smartphones, computers, and tablets
  • Magnetic noise countermeasures for medical X-ray diagnostic equipment
  • Magnetic shielding around equipment that generates strong magnetic fields such as MRI
  • Magnetic shielding for equipment susceptible to the effects of geomagnetism and fluctuating magnetic fields

Figure 3. Example for on-board chargers (attached to the inside of the resin casing or the metal casing)

REVENUES
1000 B
OVERSEAS SALES RATIO
0 %
EMPLOYEES
26300

LEADING SUSTAINABILITY BY HIGH PERFORMANCE