Overview
Anisotropic ferrite powders are one of the important permanent magnet materials and dominate the permanent magnetic materials industry in terms of volume. They offer the advantages of being cheapers, non-corrosive. In addition bonded magnets offer the flexibility of producing in complicated shapes and pole configuration for different applications which is otherwise not possible in sintered products. ARCI is developing a process technology in collaboration with Ashvini magnets, Pune for complete indigenization of the powder production suitable for bonded magnet applications.
Key Features
- Indigenous technology for synthesis of anisotropic ferrite powders.
- Pilot scale production underway for technology demonstration
- Usage of cost effective additives for economic viability
Potential Applications
- Automotive Motors & Sensors: Used in electric vehicle accessories, speed sensors, torque and angle sensors, tailgate lifts, door slide motors, and water pumps
- Consumer Electronics: Employed in smartphone speakers, wireless charging systems, and various magnetic sensors due to their flexibility in shape.
- Home Appliances & Office Equipment: Utilized in small motors for appliances and as magnetic rollers in copiers and printers.
- Industrial Automation: Applied in motor components and automation devices needing precise, customized magnetic fields.
Status
Pilot scale optimization of the powder production technology is currently underway
Intellectual Property Development Index (IPDI)
Level
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5
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10
Description
Basic concepts and understanding of underlying scientific principles
Shortlisting possible applications
Research to prove technical feasibility for targeted application
Coupon level testing in simulated conditions
Check repeatability/consistency
Prototype testing in real-life conditions
Check repeatability/consistency
Reassessing feasibility (IP, competition technology, commercial)
Initiate technology transfer
Support in stabilizing production
Status
| Level | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 |
|---|---|---|---|---|---|---|---|---|---|---|
| Description | Basic concepts and understanding of underlying scientific principles | Shortlisting possible applications | Research to prove technical feasibility for targeted application | Coupon level testing in simulated conditions | Check repeatability/consistency | Prototype testing in real-life conditions | Check repeatability/consistency | Reassessing feasibility (IP, competition technology, commercial) | Initiate technology transfer | Support in stabilizing production |
| Status |
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For more details on Intellectual Property Development Indices, Click here
- Patent granted “Post calcination modification of morphology and improvement of coercivity in high energy milled strontium hexaferrite powders” Patent Grant Number: 530705 , dt. 28th March 2024
- Patent granted "A method of producing strontium hexaferrite powders having high coercivity suitable for bonded magnets” Patent Grant Number: 480912 dt. 12th December 2023
- Patent filed “An anisotropic ferrite powder A method of producing the same and the uses therof” Patent application no. 202541030191 dt 28th March 2025