Silicon (Si)

Silicon is the element in group 14 of the periodic table. With the Atomic number of 14, it is a tetravalent element. The structure of silicon single crystal is a face-centered cubic crystal structure, in which each silicon atom shares electrons with four adjacent silicon atoms, forming a stable tetrahedral structure. This structure gives silicon good thermal and chemical stability.

Silicon single crystal is the core material of the semiconductor industry, with properties of gray-black, metallic luster, high melting point (1410 ° C), high hardness, and brittleness. Widely used in electronics, optoelectronics, microelectronics, and other fields, especially in the manufacturing of solar cells and electronic components.

The performance advantages of silicon single crystal include semiconductor properties, high thermal conductivity, high dielectric constant, and good mechanical properties. The conductivity of silicon lies between conductors and insulators and can be altered by doping, making it widely used in the semiconductor industry. Silicon has a high thermal conductivity, which is important in electronic devices as it helps to reduce the temperature at which the device operates. The high dielectric constant of silicon makes it more widely used in microelectronic devices. Single-crystal silicon has excellent mechanical properties, making it widely used in the preparation of microsystems such as micro motors.

Due to its excellent optical and mechanical properties, silicon single crystals are also widely used in micro nanosystems such as optoelectronic devices, biosensors, and micro motors.

With the progress of technology and the development of microelectronics technology, the demand for silicon single crystals will further increase. With the increasing emphasis on environmental protection and sustainable development, the application of silicon single crystals in new energy fields such as solar cells will also be promoted more. In addition, due to the excellent performance of silicon single crystals in micro nanosystems such as optoelectronic devices, biosensors, and micro-motors, it is expected that their applications in these fields will also increase.

Dihedral Tech. Co., Ltd. provides high-quality Silicon (Si) crystal wafers to customers' requirements.


Dihedral Technology(DHD) Co., Ltd. manufacture and processing/provide multiple specifications and high quality Si crystal,targets,materials.

Applications

• Electronic component manufacturing
• Optoelectronic equipment
• Microelectronics
• Solar cell

Features

• high purity
• Excellent semiconductor characteristics
• Complete crystal structure
• Stable materialization nature

  • Crystal Structure

    Cubic

    Melting Point

    1420℃

    Density

    2.4g/cm3

    Dopant

    Undoped

    Boron

    Phosphorus

    Conduction Type

    I

    P

    N

    Resistivity

    1000Ωcm

    10-3~1000Ωcm

    10-3~1000Ωcm

    EPD

    ≤100∕cm2

    ≤100∕cm2

    ≤100∕cm2

    Oxygen Content∕cm3

    ≤1~1.8×1018

    ≤1~1.8×1018

    ≤1~1.8×1018

    Carbon Content∕cm3

    ≤5×1016

    ≤5×1016

    ≤5×1016

    Dimension

    5x5mm ,10×10mm, 20×20mm

    Ø50.8mm, Ø76.2mm, Ø100mm

    According to customer needs, substrates with special orientation and size can be customized.

    Thickness

    0.5mm1.0mm

    Dimension Tolerance

    <±0.1mm

    Thickness Tolerance

    <±0.025mm

    Polishing

    One side or two sides

    Orientation Tolerance

    ±0.5°

    Edge Orientation Accuracy

    2° (Special requirements can reach within 1°)

    Orientation

    <100><110><111>

    Package

    Class 100 clean bag, Class 1000 super clean room