1. Chip Design
1.1 chip design software -EDA
1.2 chip design industry segments
CPU/GPU
Storage, etc.
2. Chip Manufacturing
2.1 supply of raw materials
2.1.1 silica -> Polysilicon> monocrystalline silicon column -> silicon wafers
How to make silicon wafers?
Purification: carbon is added to the redox manner, converts into silicon oxide 98% purity silicon further purified adopt Siemens process, high-purity polycrystalline silicon ;
Pulling: high-purity polycrystalline silicon melt liquid silicon, single crystal silicon species and contacting the liquid surface, while rotating the pull, forming a single crystal silicon pillar ;
Czochralski silicon single size: 8 inch, 12 inch, and the diameter of the surface treated, the larger the size of the thin disk cut, the higher the degree of difficulty;
Sections: a diamond knife silicon boules laterally cut into disks, and then the wafer is formed through the polishing required chip silicon wafers .
Reference: http://www.360doc.com/content/18/0525/17/36743738_756983364.shtml global manufacturer of silicon wafer Congress
2.1.1 silicon wafer manufacturers
Shin-Etsu and two wins high production of large-size silicon wafers (200/300 mm) accounted for 70% of the world, an absolute monopoly and high technical barriers.
The larger the wafer, the more a core, the smaller the proportion of waste cost can be reduced.
2.2 foundry
3. The chip package / testing
Chip raw materials
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2.
2. Chip manufacturing equipment
3. foundry
4.