Business Strategies - Hard Disk Media

Relationship Between Our Products and Daily Life

HD media is incorporated into hard disk drives and is used in data centers, corporate data servers, and surveillance cameras, among others.

Mission of Hard Disk Media Business

We will increase capacity and improve quality of HDD*1s by developing and launching the latest technologies ahead of our industry peers. In doing so, we will enable HDDs to maintain their superiority in large-capacity data storage for data centers, thereby contributing to the development of a highly digitalized society.

  • *1 HDD:Hard Disk Drive

Initiatives to Strengthen Competitiveness and Examples

We possess the technological capabilities to develop and mass produce the world’s most advanced media ahead of the rest of the industry, and provide Best Fit products optimized to meet customer needs through close cooperation with all three HDD customers.
In current magnetic recording, combining a customer’s shingled magnetic recording (SMR) technology with our own proprietary media has enabled the said customer to achieve the first certification for the max capacity program.
To meet the further rise in demand for high-capacity nearline drives expected going forward, we are conducting joint development with the three customers for next-generation HAMR technology. By combining this with our proprietary technology, we aim to continue our efforts to achieve world’s first certification for the max capacity program.

  • * When magnetic particles are made smaller to achieve a higher recording density, the thermal stability of a hard disk deteriorates and data cannot be stored for long periods of time. Meanwhile, using a type of magnetic material with high thermal stability would make it impossible to write to the recording medium. Microwave Assisted Magnetic Recording (MAMR) and Heat Assisted Magnetic Recording (HAMR) are recording technologies that solve this recording density problem and support writing to the recording medium.

Roadmap for Increasing Media Capacity

Vision for 2030 and Roadmap to Achieve It

Vision for the future(2030) Issues to Be Addressed Results in 2024 Plans for 2025
  • Meet increasing data storage demand as a large-capacity media technology leader by accelerating the development and mass production of next-generation recording technologies HAMR and MAMR media
  • Quickly and strategically adapt to market and customer changes to gain a competitive advantage
  • Reduce GHG (Greenhouse Gas) emissions in production processes
  • Through the development of our proprietary technology, achieve a thinner substrate with the aim of accelerating the increase in recording density and increasing the number of media in the drive for HAMR and MAMR
  • Establishing strategic partnerships with customers and key suppliers
  • Speeding up decision-making at five global bases
  • Responding flexibly to fluctuations in demand
  • Sales of HD media increased significantly due to a recovery in demand for data centers
  • Transferred the business in July 2024 through a company split with the aim of speeding up decision-making as well as stabilizing and optimizing business operations
  • Commenced solar power generation (PPA agreement) at Resonac HD Singapore
  • Switched the solvent used in the lubricant application process to an eco-friendly alternative at full scale
  • Gain world’s first certification for max capacity PMR
  • Accelerate joint development of HAMR with three customers with an eye to full-scale mass production from 2026 onward
  • Improve productivity of media and aluminum substrates, strengthen cost competitiveness, and establish a flexible supply system at all bases
  • Explore and implement labor-saving and automation measures
  • Formulate a GHG emission reduction plan for SBTi certification
  • Decide on fuel conversion at the Yamagata Plant