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      • The process flow of wafer fabrication in a chip

        The process flow of wafer fabrication in a chip

        2021-05-19

        The wafer goes through a series of processes to form a silicon substrate, known as a wafer, that meets the requirements of semiconductor manufacturing. The basic processing process is: appearance finishing, slicing, chamfering, grinding and polishing, etc.

      • CICC:Chip capacity shortages and high industry prosperity are likely to continue

        CICC:Chip capacity shortages and high industry prosperity are likely to continue

        2021-05-19

        China International Capital Corporation (CICC) said in an article on its WeChat official account that since the third quarter of 2020, the global semiconductor industry has experienced a serious chip shortage, including automotive, mobile phone, security and other industries.

      • Silicon wafer: the most important part of semiconductor material

        Silicon wafer: the most important part of semiconductor material

        2021-05-19

        As a multi-billion dollar industry, the market for semiconductor materials is not very large, but there is a wide variety of materials within it, and the market size of a single product is small, the technical requirements are high, and the differences between sub-industries are large.

      • ShinEtsu silicon wafers rise in price Global semiconductor boom continues to climb

        ShinEtsu silicon wafers rise in price Global semiconductor boom continues to climb

        2021-05-19

        Shinetsu, the world’s largest semiconductor wafer maker, announced in a statement on its website that it will raise prices of all its silicon products by 10 to 20 percent from April.

      • Properties and application of quartz glass

        Properties and application of quartz glass

        2021-05-19

        Quartz glass sheet, usually cut from quartz glass and made of grinding, its silica content can reach more than 99.99%. Hardness for Mo-type seven, with high temperature resistance, low thermal expansion coefficient, thermal shock resistance and good electrical insulation performance, etc.

      • What is a MEMS

        What is a MEMS

        2021-05-19

        MEMS, Micro-Electro-Mechanical System, also known as microelectromechanical systems, Microsystems, micromachines, etc., refer to high-tech devices that are a few millimeters or smaller in size. High-tech devices in the size of a few millimeters or less.

      • Why don’t wafers be square? Aren’t square silicon wafers more productive?

        Why don’t wafers be square? Aren’t square silicon wafers more productive?

        2021-05-19

        Considering Intel’s currently tight 14nm capacity (and TSMC’s 7nm capacity is not enough), these Dies are an inhumane waste of every wafer. Why not make the wafers square? Square wafers are the perfect space usage rule for IC industry.

      • What is gallium arsenide

        What is gallium arsenide

        2021-05-19

        Gallium arsenide, chemical formula GaAs. Black gray solid, melting point 1238℃. It is stable in the air at temperatures below 600 ° C and is impervious to non-oxidizing acids.

      • What is the TTV, BOW, WARP, TIR of the wafer?

        What is the TTV, BOW, WARP, TIR of the wafer?

        2021-05-19

        When we look at the substrates or chips of semiconductor silicon or other types of materials, we often see technical indicators such as TTV, BOW, WARP, and perhaps even TIR, STIR, LTV, etc. What parameters do they represent?

      • How are semiconductor wafers made?

        How are semiconductor wafers made?

        2021-05-19

        A wafer is a thin piece of silicon about a millimeter thick that has a very high degree of flatness on the surface due to the very high requirements of the manufacturing process. The specific application of a wafer determines the type of wafer length required.