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).
Property
High Strength
High Stiffness
High-Precision Processing
Conductive Property
Non-Magnetic
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)
Applications
- Magnetic Head Substrates