Shenzhen KKPCB Technology Co., Ltd.’s Alumina-Zirconia substrates have high strength and toughness. Their excellent electrical and thermal properties are ideal for applications that require high reliability, such as automotive, industrial machinery, and IGBT power modules.
Features
KKPCB’s high-strength flexible Alumina-Zirconia substrates have a bending strength that is more than 1.5 times that of standard alumina substrates. The thinnest thickness can reach 150um, which can reduce thermal resistance in the thickness direction. The substrate has high density, fine structure, and excellent flatness.
Material Characteristics
| ITEM | UNIT | TEST CONDITIONS |
96% ALUMINA | HIGH STRENGTH | ALUMINA -ZIRCONIA | |
|---|---|---|---|---|---|---|
| NA-96 | NA-96F1 | NA-Z | ||||
| MATERIAL | ― | ― | 96%Al2O3 | 96%Al2O3 | Al2O3-ZrO2 | |
| COLOR | ― | ― | WHITE | WHITE | WHITE | |
| DENSITY | g/cm3 | ― | 3.7 | 3.7 | 4.1 | |
| WATER ABSORPTION | % | ― | 0 | 0 | 0 | |
| MECHANICAL PROPERTIES | 3 POINT BENDING STRENGTH | MPa | ― | 400 | 450 | 600 |
| THERMAL PROPERTIES |
THERMAL EXPANSION COEFFICIENT |
10-6/℃ | RT～400℃ | 6.8 | 6.8 | 7 |
| RT～800℃ | 7.8 | 7.8 | 8.1 | |||
| THERMAL CONDUCTIVITY |
W/(m・K) | 20℃ | 23 | 23 | 21 | |
| ELECTRICAL PROPERTIES | DIELECTRIC CONSTANT |
― | 1MHz | 9.2 | 9.3 | 11.3 |
| LOSS TANGENT | 10-4 | 1MHz | 10 | 10 | 12 | |
| ELECTRICAL RESISTIVITY |
Ω・cm | 25℃ | >1014 | 5×1015 | >1014 | |
| 300℃ | 1012 | 2×1012 | 1011 | |||
| 500℃ | 1010 | 2×109 | 109 | |||
| DIELECTRIC STRENGTH |
kV/mm | ― | >20 | >20 | >20 | |
Values are typical values
Design Guidelines
| ITEM | UNIT | STANDARD | CUSTOM |
|---|---|---|---|
| DEMENSIONS | mm | 190×140 | ～150×300 |
| THICKNESS | mm | 0.25, 0.32 | 0.15, 0.25, 0.32 |
Product Use Cases
- Laser processed substrates
- Polished substrates
- Thick film circuit substrates
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