BEST-IN-CLASS MATERIALS FOR BEST-IN-CLASS ELECTRONICS AND BATTERY MANAGEMENT SYSTEMS

High-performance, high-induction, high-permeability, low-loss soft magnetic alloys to optimize electronic device performance, miniaturization, and product development flexibility

GIVING GLOBAL ELECTRONICS OEMS THE POWER TO SCALE

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Your allies in consumer electronics alloys

Electronics companies face rapid innovation cycles, complex value chain integration, and intense competition. Our collaborative partnerships, deep materials expertise, and speed to prototype and scale mean you can bring your designs to life and be first to market.

No other alloys stack up

Our soft magnetic materials empower consumer electronics designers like you to drive innovation. High-induction, high-permeability alloys:

  • Improve haptic actuation force for differentiation in subtle touches and sensory feedback
  • Boost sound pressure level density to enable speaker miniaturization
  • Offer effective magnetic shielding
  • Enhance flux concentration
  • Improve overall performance, resulting in battery power savings

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BETTER USER EXPERIENCE. BIGGER POWER SAVINGS.

Smart phones and wearables

The magic touch

Haptic actuation devices are powerful sensory tools that drive advancements in augmented and virtual reality applications. Our Hiperco® alloys improve user experience across the board:

  • 40% higher induction and industry-leading high permeability
  • 15% faster device acceleration
  • Better touch response and sensory feedback
  • Significant power savings
  • Longer battery and device life
  • Product miniaturization

Our corrosion-resistant Chrome Core® alloys offer an alternative for high reliability in more demanding ambient operating environments.

Our Evanohm® R resistance alloys have low TCR and are highly stable, well-suited for accurate readings during charging and operating cycles in battery management systems.

Our soft magnetic alloys have also been used for magnetic shielding and flux focusing to resolve magnetic interference issues inherent in some highly compact designs.

Learn about haptic applications

HIGHER SOUND PRESSURE LEVELS FOR IMPROVED AUDIO OUTPUT

Microspeakers

Big advances in small electronics

The ever-expanding demand for miniaturized electronics and multimedia technology requires smaller microspeakers with improved audio output. Reducing the size of magnetic circuits has been an obstacle in the past — but no more.

Our materials and processes allow OEMs to produce smaller, lighter acoustic transducers with similar power levels, or create more powerful transducers of a similar size.

Microspeakers built with Hiperco® soft magnetic alloys have the competitive advantage over steel-based magnetic assemblies:

  • More sound pressure level (SPL) dense
  • 30% smaller, lighter soft magnet
  • 17% smaller, lighter rare earth permanent magnet
  • 7% more battery life due to reduced operating current
Learn about audio voice coil applications

COMPACT, LIGHTWEIGHT SOUND AMPLIFICATION

Hearing Aids

An audio lifeline

Hearing aids have to perform with varying and unpredictable audio inputs while providing exceptional sound amplification and clarity. Devices must also be compact and lightweight for user experience and use compliance.

To meet these needs, hearing aid acoustic designers rely on very high-permeability soft magnetic alloys in their dynamic drivers.

Our high-permeability iron-nickel alloys offer different combinations of properties suited for components in high-fidelity systems.

High Permeability 49 has good magnetic induction and provides excellent response and miniaturization. HyMu 80 has exceptional permeability and is ideal for magnetic shielding to insulate and isolate critical components.

Learn about hearing aid applications
APPLICATION SPOTLIGHT

Electronics

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Haptic & Sensor Shielding

High permeability alloys and laminated stacks act as current sensors and prevent unwanted electromagnetic interference between adjacent devices in compact consumer electronic applications.

FEATURED PRODUCTS
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HyMu80

80% nickel-iron-molybdenum alloy with extremely high initial and maximum permeability, minimum hysteresis loss, and low coercivity

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High Permeability 49

High initial and maximum permeability for fast magnetic response and low core loss after heat treatment that can be readily stamped

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Haptic Engines & Motors

Haptic feedback requires precise motor responses to simulate a range of tactile feedback. Our high induction and permeability alloys offer higher force, improving the haptic device sensitivity and power consumption.

FEATURED PRODUCTS
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Hiperco® 50A

Highest magnetic induction with the lowest losses for stator applications in power-dense motors and generators.

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Hiperco® 27

High magnetic saturation induction with greater ductility and toughness for applications requiring a combination of good magnetic and mechanical performance.

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A-286

Iron-base austenitic stainless steel with notched rupture strength superior to any other alloy with comparable high-temperature properties

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Microspeakers

Our expertise in specialized materials and stack processing ensures the highest performance stator and rotor stacks. We have a deep understanding of metallurgical structure-magnetic property relationships and expertise in various processing technologies. Our methods for dimensional control, high-strength, and tailored magnetic properties support the most demanding design requirements and production tolerances, resulting in superior motor responses.

FEATURED PRODUCTS
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Hiperco® 50A

Highest magnetic induction with the lowest losses for stator applications in power-dense motors and generators.

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Hiperco® 27

High magnetic saturation induction with greater ductility and toughness for applications requiring a combination of good magnetic and mechanical performance.

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Circuit Protection & Safety Devices

High permeability soft alloys rapidly create a magnetic field in response to small changes in electrical energy. These alloys are a core component of GFCIs and switches that protect people and electrical circuits.

FEATURED PRODUCTS
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HYMU 80

HyMu 80 is a nickel-molybdenum-iron alloy capable of being heat treated to show very high initial permeabilities, maximum permeabilities, and AC core losses at low magnetic flux densities.

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High Permeability 49

High Permeability "49" is a 48% nickel-iron alloy that possesses the highest saturation flux density of any nickel-iron alloy.

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Thermal Expansion

Alloys with controlled expansion characteristics are used for a broad variety of applications where thermal size change of the metal must be considered in component part design.

FEATURED PRODUCTS
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INVAR 36

36% nickel-iron alloy possessing a rate of thermal expansion approximately one-tenth that of carbon steel at temperatures up to 400°F (204°C)

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Free-Cut Invar "36"®

Free-machining 36% nickel-iron alloy possessing a rate of thermal expansion approximately one-tenth that of carbon steel at temperatures up to 400°F (204°C)

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Glass Sealing

Glass-to-metal sealing applications require specialty alloys designed to match the rate at which glasses cool from various elevated temperature ranges. Our materials offer lasting metal-to-glass fusion in hermetically-sealed devices.

FEATURED PRODUCTS
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KOVAR

Vacuum melted, iron-nickel-cobalt, low expansion alloy with a controlled chemical composition for precise uniform thermal expansion to make a strong hermetic seal

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Glass Sealing 27

Ductile 28% chromium-iron alloy exhibiting no phase transformation up to 2100°F (1150°C) and particularly adapted to outside sealing

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Glass Sealing 42

41% nickel-iron controlled expansion alloy can be used for a variety of hard glass with thin edge tubular seals

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Better Products Faster

Solutions must be small and lightweight but also provide expanded functionality, and in certain applications must have stable operation across a wide range of temperatures. 

Whether it's diverse soft magnetics, application engineering, product knowledge, rapid prototyping and sampling, or other performance solutions, our expertise will get you to market with better products faster.

EXPERT ADVICE WHEN YOU NEED IT

Customers call on us when they need to rethink the boundaries of specialty alloys

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Related Resources

Browse our knowledge base of technical electrification resources: white papers, brochures, datasheets, webinars, and more.

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