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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 Data
| 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
