Magnetics Business & Technology - July/August 2024 - 25

INDUSTRY NEWS
Ferrotec Expands Manufacturing Operations in North America & Malaysia
critical activities, and most importantly, ensure that our customers
do not experience disruptions to their supplies from us, "
said Miyanaga.
Core technology of ferrofluid magnetic liquid and ferrofluidic
sealing products
Founded in 1980 on a technology core of ferrofluid magnetic
liquid and ferrofluidic sealing products, the company and its
product portfolio have grown to a global enterprise. It manufactures
all of the premium ferrofluids used in its lines of vacuum
rotary feedthroughs and seals. These ferrofluids are not available
for sale.
Ferrofluid and semiconductor equipment manufacturer Ferrotec
expands operations in California and Malaysia
Ferrotec, a Tokyo-based manufacturer of ferrofluids and related
equipment for semiconductor production, has combined a modernized
manufacturing hub with its North American headquarters
in California and is establishing a large new manufacturing
site in Malaysia.
In June of 2023, its North American subsidiary held the ribboncutting
for relocation of its corporate headquarters from Santa
Clara, California to nearby Livermore with a combined modernized
manufacturing hub.
" Operating with 140 people in over 77,000 square feet of space,
the new location updates our operations with a modernized
manufacturing environment. A well-designed, shared space
supports the synchronization needed to continue our growth, "
said Eiji Miyanaga, CEO of Ferrotec (USA) Corporation. " With
this new facility, we expect to provide expanded capacity, improve
business continuity for critical activities, and ensure that
our customers do not experience disruptions to their supplies
from us. "
In Malaysia, Ferrotec is establishing a new manufacturing
facility for electromechanical assembly and advanced material
fabrication for semiconductor equipment. Expected to kickstart
its operation in 2023, the plant represents a total investment
expected to exceed RM500 million at a facility of more than
800,000 square feet.
" Ferrotec has seen increasing demand for our products and
services in Asia. With this new production facility, we expect
to provide expanded capacity, improve business continuity for
The company's EMG Series dry magnetic nanoparticles are dry
iron oxide particles coated with specific surfactants to facilitate
suspension in a variety of solvents for customized use by individual
research laboratories. These particles have a nominal
diameter of 10 nm, are single domain and are true superparamagnetic
particles with an initial magnetic susceptibility of 0.2.
The core material is principally magnetite (Fe3O4), exhibiting
no hysteresis and typically compatible with living tissue.
Ferrotec makes ferrofluids for its extensive line of vacuum
feedthroughs and seals for the semiconductor industry
For more info, see www.ferrotec.com and www.ferrotec.co.jp.
In the audio speaker market, it has been supplying ferrofluid
to speaker manufacturers since the early 1970s that enables
their speakers to function more efficiently, with improved audio
response and better power handling as well as better manufacturability
for improved quality and higher yields.
Audio ferrofluids are based on two classes of carrier liquid:
synthetic hydrocarbons and esters. Both oils possess very
low volatility and high thermal stability. The choice of fluid is
dictated by the environmental considerations of the application
combined with the best balance of magnetization and viscosity
values to optimize the acoustical performance.
By varying the quantity of magnetic material in a ferrofluid, and
by using different carrier liquids, it can be tailored to meet a
variety of needs. The saturation magnetization (the maximum
value of the magnetic moment per unit volume when all the
domains are aligned) is determined by the nature of the suspended
magnetic material and by the volumetric loading of the
material. The physical and chemical properties such as density
and viscosity correspond closely to those of the carrier liquid.
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July/August 2024 * Magnetics Business & Technology 25
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Magnetics Business & Technology - July/August 2024

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