Substrates for Thin-Film Magnetic Heads in Hard Disk Drives (HDDs)

PHOTO: Substrates for Thin-Film Magnetic Heads in Hard Disk Drives (HDDs)

Hard Disk Drive (HDD) head substrates are suitable for ultra-high-precision processing.

We supply substrates suitable for heads with low-fly height, enabled by ultra high-precision processing such as ion milling and reactive ion etching, for the increasing area density of hard disk drives (HDDs).

Features

  • Non-Magnetic
  • Electrically Conductive
  • High-Precision Processing
  • High Strength
  • High Rigidity
We support custom products from prototypes to mass-production runs. Please contact us to explore options, even if your specifications are different from those shown on our Web site.
Inquiries
  • Product specs

Product specs

Material Al2O3-TiC
Shape Round and square shapes are available
Size
Outer Dimension :Maxφ8"or □5.5"
Standard thickness :1~3mm
Precision Parallelism: 1 μm or less
Surface Roughness: Ra 0.001μm (TYP)