| Catalogue Code | IN-Si-01 IN-Si-02 |
| CAS No. | 7631-86-9 |
| Chemical Formula | SiO2 |
| Compound Name | Silicon Dioxide |
| Purity (%) | >99.9 |
| Dimensions | Dia. 1”, Thick. 0.125” Dia. 2”, Thick. 0.25” |
Introduction
Silicon Dioxide (SiO₂), a highly versatile material, is a sought-after sputtering target for applications requiring chemical durability and thermal stability. SiO2 is an adaptable and stable material with excellent insulating properties, high chemical resistance, and optical transparency. Its exceptional surface properties and easy modification capabilities are mainly used in advanced sensor technologies and protective layers. These films are crucial in applications requiring dielectric layers, anti-reflective coatings, and protective barriers, making SiO2 sputtering targets essential in advanced materials processing.
Properties
The table below outlines the critical properties of Silicon Dioxide, SiO₂:
| Property | Description |
| Molar mass | ~60.08 g/mol |
| Density | ~2.65 g/cm³ |
| Melting Point | ~1710°C |
| Shape and Appearance | Solid, Thin film, Disc |
| Thermal Conductivity | ~1.4 W/(m·K) |
| Magnetic Properties | Diamagnetic |
Applications of Silicon Dioxide (SiO₂)
- Semiconductor Industry: SiO₂ is an insulating layer in microelectronic devices, enabling miniaturization and high performance.
- Optical Coatings: Ideal for anti-reflective and protective coatings on lenses, mirrors, and display panels.
- Photovoltaics: Used in solar cells to enhance efficiency by reducing light reflection.
- Passivation Layers: SiO₂ is a protective passivation layer for integrated circuits and other sensitive components, protecting from moisture, dust, and other environmental factors that could degrade performance.
- Solar Cells: SiO₂ thin films produce thin-film solar cells, which act as a protective layer or as part of the light-harvesting structure. They also serve as a dielectric layer in solar panel applications.
FAQs
Answere: SiO₂ sputtering targets are employed to deposit thin films with excellent insulating and optical properties, essential in microelectronics, optics, and photovoltaics.
Answere: Its high dielectric strength, thermal stability, and chemical inertness make SiO₂ indispensable as an insulator and gate dielectric in semiconductor devices.
Answere: SiO₂’s transparency across a wide spectral range and its durability under environmental stress make it ideal for anti-reflective and protective coatings.
Answere: SiO₂ has a low thermal conductivity of ~1.4 W/(m·K), but it provides excellent thermal insulation, beneficial for specific electronic and optical applications.
Answere: SiO₂ layers reduce surface reflection and enhance light absorption, significantly improving the efficiency of photovoltaic devices.
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