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MoreTec magnetic ferrofluid feedthroughs are widely adopted in high-end vacuum applications such as semiconductors, thin-film coating, and scientific research, offering the following key advantages:
Ultra-High Vacuum Sealing
With advanced ferrofluid formulation and sealing design, our feedthroughs can operate stably in ultra-high vacuum conditions up to 1×10⁻⁹ Pa, with no outgassing or particle generation.
Sealing Against Reactive (Corrosive) Gases
Equipped with specially formulated fluorinated ferrofluid, our feedthroughs maintain long-term stability in harsh environments involving reactive or corrosive gases, ideal for plasma and etching processes.
Low Startup Torque
Even in low-temperature conditions, our products maintain low startup torque, ensuring smooth and reliable operation under demanding conditions.
Exceptional Service Life
Proven in Japan: some of our feedthroughs have been operating continuously for over 10 years and are still functioning reliably, demonstrating outstanding durability and performance.
High-Temperature Capability
Designed to handle high-temperature environments, including those where water cooling is not possible, using customized magnetic fluids and thermal-resistant structures.
Backed by a fully integrated design and manufacturing system, precision Japanese production equipment, and a rigorous quality control and traceability process, MoreTec delivers high-performance feedthroughs with excellent quality and fast lead times, earning the trust of global customers.
Moretec provides highly cost-effective solutions compared with other manufacturers.
From a technical perspective, we manage the entire process in-house, including:
· R&D and design
· Manufacturing
· Assembly
· Inspection and testing
This integrated production system allows us to strictly control product quality and provide a wide range of customized ferrofluid feedthrough solutions for different applications.
Ferrofluid Feedthrough is generally considered a semi-permanent product.
It is designed to operate without maintenance for the end user. However, the actual lifetime may vary depending on operating conditions such as:
· Presence of dust or particles inside the chamber
· Operating temperature
· Rotation speed and load conditions
Under harsh operating environments, the service life may be reduced. In typical conditions, the expected lifetime is approximately 4–8 years.
Ferrofluid Feedthrough is designed as a semi-permanent sealing component that normally does not require maintenance.
The actual service life depends on the operating environment and process conditions. Under typical usage conditions, the lifetime is generally 4–8 years.
The quantity depends largely on the type of equipment.
Examples:
· Optical equipment
Usually fewer than 5 feedthroughs per machine.
· Solar / OLED equipment
Feedthroughs are often used on transport rollers, so the quantity can be 50–300 pieces per machine.
The typical price range is USD 300 – USD 3000 per unit, depending on size and specifications.
Generally:
· Small feedthroughs
Used on transport rollers
Lower price but higher volume
· Semiconductor equipment feedthroughs
Higher price but lower quantity
Yes. Most of our feedthroughs are customized according to customer equipment requirements, including dimensions, shaft design, vacuum specifications, and rotation speed.
Yes, we do offer standard sizes.
However, based on our experience, more than 95% of customers require customized designs in order to match their equipment structure and specifications.
The minimum order quantity is 2 pieces per size.
Ferrofluid Feedthroughs are widely used in vacuum systems such as semiconductor equipment, vacuum coating machines, and OLED production systems.
In a typical vacuum transfer system:
· Wafers or substrates are transported between vacuum chambers
(Loader → Process Module → Unloader)
· A motor located in the atmospheric side drives the roller located inside the vacuum chamber
· The ferrofluid feedthrough is installed between the vacuum side and the atmospheric side
Its function is to:
· transmit rotational motion
· maintain hermetic vacuum sealing
· prevent leakage while allowing continuous rotation
This enables reliable operation of rotating mechanisms across a vacuum boundary.
