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Ferro IP 745 Passivation Glasses (Pb-B-Si-Al; Pb-Si-Al; Si-Pb-Al 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 IP 745 Passivation Glasses (Pb-B-Si-Al; Pb-Si-Al; Si-Pb-Al Silicates).pdf
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Material Notes:
Glass Type: Pb-B-Si-Al Typical Powder Form: TF, REG, RWG, SRRG Ferro's passivation glasses are designed for use on transistors, thyristors, and diodes. These products are formulated and produced to achieve very low alkali and iron levels and can be applied by a variety of techniques including photo-spin, spin coat, doctor blading, sedimentation, screen printing, and electrophoresis. IP 745 is primarily used for low-voltage rectifiers using glass bead diode application methods.Information provided by Ferro Corporation
Physical Properties Metric English Comments
Density 3.45 g/cc
0.125 lb/in³
Particle Size 1.5 µm
1.5 µm
50% of particles, (SRRG Powder)
3.0 µm
3.0 µm
50% of particles, (RWG Powder)
7.0 µm
7.0 µm
50% of particles, (REG Powder)
9.0 µm
9.0 µm
50% of particles, (TF Powder)
<= 10 µm
<= 10 µm
SRRG Powder
<= 25 µm
<= 25 µm
RWG Powder
<= 75 µm
<= 75 µm
REG Powder
<= 75 µm
<= 75 µm
TF Powder
Thermal Properties Metric English Comments
CTE, linear 4.80 µm/m-°C

@Temperature 25.0 - 260 °C
2.67 µin/in-°F

@Temperature 77.0 - 500 °F
Softening Point 630 °C
1170 °F
Transformation Temperature 465 °C
869 °F
Chemical Properties Metric English Comments
Ionic Impurities - Na (Sodium) <= 30 ppm
<= 30 ppm
TF, REG Powders
<= 50 ppm
<= 50 ppm
RWG, SRRG Powders
Ionic Impurities - K (Potassium) <= 10 ppm
<= 10 ppm
TF, REG Powders
<= 30 ppm
<= 30 ppm
RWG, SRRG Powders
Processing Properties Metric English Comments
Processing Temperature <= 190 °C
<= 374 °F
Maximum Junction Temperature
690 °C
1270 °F
Typical Firing Temperature; Typical Firing Time: 10-15 min. at Peak
Descriptive Properties Value Comments
Ionic Impurities - Li (Lithium) ppm, Max 10
RWG, SRRG Powders
10
TF, REG Powders
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