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- Ferro IX 2218 Passivation Glasses - High Voltage (Zn-B-Silicates)
Ferro IX 2218 Passivation Glasses - High Voltage (Zn-B-Silicates)
| Category | Ceramic , Glass , Oxide , Silicon Oxide |
| Manufacturer | Ferro Corporation |
| Trade Name | |
| Port | Ningbo port,China |
| Trade Terms | FOB, CFR, CIF |
| Payment Terms | L/C, T/T, Western Union |
| Download PDF | Ferro IX 2218 Passivation Glasses - High Voltage (Zn-B-Silicates).pdf  |
| Price | EMAIL US sales@lookpolymers.com |
Material Notes:
Typical Powder Form: REG, MVG Zinc-Boro-Silicate passivation glasses are used for hermetic passivation of high voltage diodes, thyristors, and transistors. They provide high junction temperatures and can be applied to wafers using thick film and electrophoresis methods. These products are formulated and produced to achieve low alkali and iron levels. These glasses are also used for encapsulation of rectifiers using glass beading application methods.Information provided by Ferro Corporation
| Physical Properties | Metric | English | Comments |
|---|---|---|---|
| Density | 4.03 g/cc | 0.146 lb/in³ | |
| Particle Size | 5.0 µm | 5.0 µm | 50% of particles, (MVG Powder) |
| 7.5 µm | 7.5 µm | 50% of particles, (REG Powder) | |
| <= 25 µm | <= 25 µm | MVG Powder | |
| <= 75 µm | <= 75 µm | REG Powder |
| Thermal Properties | Metric | English | Comments |
|---|---|---|---|
| CTE, linear | 4.80 µm/m-°C | 2.67 µin/in-°F | at Set Pt. |
| 4.80 µm/m-°C @Temperature 260 °C |
2.67 µin/in-°F @Temperature 500 °F |
||
| Softening Point | 612 °C | 1130 °F | |
| Transformation Temperature | 530 °C | 986 °F |
| Chemical Properties | Metric | English | Comments |
|---|---|---|---|
| Ionic Impurities - Na (Sodium) | <= 20 ppm | <= 20 ppm | |
| Ionic Impurities - K (Potassium) | <= 10 ppm | <= 10 ppm |
| Processing Properties | Metric | English | Comments |
|---|---|---|---|
| Processing Temperature | <= 175 °C | <= 347 °F | Maximum Junction Temperature |
| 670 °C | 1240 °F | Typical Firing Temperature; Typical Firing Time: 5-10 min. |
| Descriptive Properties | Value | Comments |
|---|---|---|
| Ionic Impurities - Li (Lithium) ppm, Max | 10 |
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