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{{menuText}} Search Japanese Chinese Contact Us Quote About DAIDO STEEL Products R&D Investor Relations Sustainability Sustainability --> 学生の皆さまへ --> 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. TOP Products Permalloy foil Font Size Normal Large Features The metal foils with high magnetic permeability material (MEN® PC-2S) for high-sensitivity applications and high-saturation magnetic flux density material (DF42N) for strong magnetic field applications. 【Corresponding frequency band】 To the complex relative permeability showing the magnetic field sensitivity of STARPAS®-PC2S To the saturation magnetic flux density showing the magnetic field strength of STARPAS®-DF42N High frequency characteristics by suppressing eddy current loss inside the magnetic material with foil. Excellent workability such as bending, cutting, stamping, etc., and high durability against vibration and high temperature environments in automotive applications. Also available as products with laminate and tape. Main application examples Magnetic shield for sensors and cables and to reduce the noise. CMOS image sensors Power and control ICs FPC and wire harness Smart home appliances 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 1100m or less 50kHz or more STARPAS®-20PC2S 20µm 1.8kg 1100m or less STARPAS®-30PC2S 30µm 2.7kg 1900m or less 150kHz or less STARPAS®-50PC2S 50µm 4.5kg 1900m or less Leaflet of permalloy foil(PDF:899KB) 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 1100m or less 50kHz or more STARPAS®-20DF42N 20µm 1.6kg 1100m or less STARPAS®-30DF42N 30µm 2.4kg 1900m or less Main magnetic characteristics examples Complex relative permeability 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. For frequency bands below 150kHz, PC2S products with thicknesses of 50μm and 30μm for high sensitivity are recommended. DC characteristics(Reference) Product Initial permeability(μi) Max. permeability(μm) Magnetic flux density at 800A/m (T) Coercive force (A/m) For high sensitivity STARPAS®-10PC2S 5,800 36,000 0.72 9 STARPAS®-20PC2S 6,400 34,000 10 STARPAS®-30PC2S 10,300 53,000 5 STARPAS®-50PC2S 9,300 44,000 5 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 8,900 5,050 1,200 NA STARPAS®-50PC2S 8,600 2,800 670 NA 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. 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. We provide the magnetic shield and yoke material in 10kHz ～ 10MHz band. STARPAS®-PC2S is suitable for strong magnetic field applications. Loss performance of Permalloy foil --> 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. Magnetic shield performance by magnetic field immunity test (refer to ISO 11452-8) The shielding material was placed perpendicular to the magnetic field to get the strictest conditions. Magnetic noise suppression effect from the actual inverter (EMI Shielding) Magnetic noise suppression effect on semiconductors and sensor devices（EMS Shielding） 【 Attaching a shielding material only to a semiconductor/sensor device 】 Refer to ISO 11452-8_2015Magnetic Immunity Test （Level 4） 【 Adding shielding material to the interposer board 】 ① Attaching a shielding material only to a semiconductor/sensor device ② Add shielding material to the layer of the interposer substrate （ Magnetic field is applied toward Y-axis ） We provide highly efficient magnetic yoke materials (Sheet for wireless power supply) Easy-to-handle material performance Our materials are so flexible with excellent processability that your applications are expanded. 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 Appearance example Configuration example with PET film Inquiries about Permalloy foil Contact Us Quote --> Contact Us We will send it directly to the person in charge of the product. We will contact you after confirming the contents. --> Products List Mechanical Construction Steel Stainless Steel Tool Steel Superalloy Strip Forging Die Forging Alloy Powder Welding Wire Titanium & Titanium Alloy Target Material, New Metal Machinery Star LED Point Source LEDs Permalloy foil TOP Products Permalloy foil About DAIDO STEEL Products R&D Investor Relations Sustainability Sustainability --> Students --> Contact Us Quote Site Map Privacy Policy 電子公告 --> Terms of Use Japanese Chinese Copyright©1996-2024 Daido Steel Co., Ltd. search CLOSE Product inquiry