Permalloy foil

STARPAS® Permalloy foil

Daido's STARPAS® Permalloy foil

We provide extremely thin permalloy foil (thickness:≧10μm) with excellent workability and flexibility which is suitable for high-frequency magnetic shield and yoke.

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Features

Main application examples

Magnetic shield for sensors and cables and to reduce the noise.

CMOS image sensors
CMOS image sensors
Power and control ICs
Power and control ICs
FPC and wire harness
FPC and wire harness
Smart home appliances
Smart home appliances
Wireless power supply
Wireless power supply

Product Specifications

For high sensitivity (Applicable to signal system shields less than a few 10 A/m)

Product Material Thickness MOQ
Length/Weight
Width Max. length Frequency
STARPAS®-10PC2S MEN®PC-2S 10µm 100m 0.9kg 100mm Less than 1100m More than 50kHz
STARPAS®-20PC2S 20µm 1.8kg Less than 1100m
STARPAS®-30PC2S 30µm 2.7kg Less than 1900m

For strong magnetic field (Applicable to power shields more than a few 10 A/m)

Product Material Thickness MOQ
Length/Weight
Width Max. length Frequency
STARPAS®-10DF42N DF42N 10µm 100m 0.8kg 100mm Less than 1100m More than 50kHz
STARPAS®-20DF42N 20µm 1.6kg Less than 1100m
STARPAS®-30DF42N 30µm 2.4kg Less than 1900m

Main magnetic characteristics examples

Complex relative permeability

Permaeability μr’
Permaeability μr’’

Product with a thickness of 10μm is the most suitable for high-frequency applications. However, it is also possible to increase the magnetic shielding effect by the foil thickness, so the thickness can be selected according to the intensity of the adaptive magnetic field.

DC characteristics(Reference)

Product Initial permeability(μi) Max. permeability(μm) Magnetic flux density at 800A/m Coercive force
For high sensitivity STARPAS®-10PC2S 5,800 36,000 0.72 9
STARPAS®-20PC2S 6,400 34,000 10
STARPAS®-30PC2S 6,400 30,000 10
For strong magnetic field STARPAS®-10DF42N 1,300 6,400 1.42 60
STARPAS®-20DF42N 2,000 10,800 50
STARPAS®-30DF42N 1,700 9,400 50

Complex relative permeability μr depending on frequency

Product 1kHz 100kHz 1MHz 10MHz
For high sensitivity STARPAS®-10PC2S 5,300 5,200 3,500 700
STARPAS®-20PC2S 5,400 5,000 2,000 430
STARPAS®-30PC2S 6,000 4,800 1,400 340
For strong magnetic field STARPAS®-10DF42N 1,400 1,400 1,300 560
STARPAS®-20DF42N 1,700 1,700 1,200 290
STARPAS®-30DF42N 1,600 1,500 800 180

Applicable frequency band of permalloy foil material

STARPAS®-PC2S is suitable for high-sensitivity applications.

Applicable frequency band of permalloy foil material figure

Magnetic shield performance at high frequencies

It shows a high shield property unlike aluminum (non-magnetic) at 1MHz. It also functions as an electromagnetic wave shield even at high frequencies.

Applicable frequency band of permalloy foil material figure

We provide the magnetic shield and yoke material in 50 kHz ~ 10MHz band.

STARPAS®-PC2S is suitable for strong magnetic field applications.

Applicable frequency band of permalloy foil material figure

Magnetic shield performance depending on magnetic field strength

STARPAS®-PC2S shows high shield performance in a weak magnetic field. STARPAS®-DF42N maintains high shield performance in strong magnetic field.

Applicable frequency band of permalloy foil material figure

We provide highly efficient magnetic yoke materials (Sheet for wireless power supply)

Loss performance of Permalloy foil figure

Easy-to-handle material performance

Our materials are so flexible with excellent processability that your applications are expanded.

Easy-to-handle material performanc figure

Lineup of products with tape and laminate

We have a lineup of adhesive tapes and laminated products on high-frequency sheet metal foil (metal foil) to improve usability.

Classification Materials Product Name Specifications
With tape MEN®PC-2S STARPAS®-T-10/20/30PC2S Width100mm metal foil / tape(10μmt)
DF42N STARPAS®-T-10/20/30DF42N
Laminate
(Single layer)
MEN®PC-2S STARPAS®-T-10/20/30PC2S Width100mm(Effective 95mm) PET(30μm) /Metal foil/ tape(10μmt)
DF42N STARPAS®-T-10/20/30DF42N
Laminate
(Multi layers)
MEN®PB、DF42N STARPAS®-L-10PB10DF42N Individual specifications
MEN®PC-2S STARPAS®-L-10PC2S10PC2
STARPAS-PC2S

Appearance example

STARPAS-DF42N

Configuration example with PET film

Inquiries about Permalloy foil