High-purity porous alumina substrates (NA-99F)
KKPCB’s high-purity porous alumina substrates have excellent surface flatness and are lightweight, making them ideal for sintering tool materials.
Features
As sintering tool materials – high-purity alumina substrates with excellent surface flatness help improve the characteristics, quality and yield of sintered products. They are also ideal for sintering highly reactive materials. A variety of porosity levels are available due to the ability to control porosity during substrate sintering.
Material Characteristics
| ITEM | UNIT | NA-96 (STANDARD) | NA-99F |
|---|---|---|---|
| MATERIAL | ― | 96% ALUMINA | > 99% ALUMINA |
| POROSITY | % | 0 | 25～35 |
| DENSITY | g/cm3 | 3.7 | 2.9 |
| BENDING STRENGTH | MPa | 400 | 110 |
| SURFACE ROUGHNESS | μmRa | 0.3 | 0.2 |
| MAX TEMPERATURE | ℃ | ー | 1300 |
Values are typical values
Design Guidelines
| ITEM | UNIT | STANDARD | CUSTOM |
|---|---|---|---|
| DEMENSIONS | mm | ～150×150 | ～300×150 |
| THICKNESS | mm | 0.8, 1.0 | 0.3～1.6 |
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