wafer dimensions
Wafer dimensions: Wafer size in the semiconductor industry has important technical specifications, common wafer sizes include 1-inch (25 mm), 2-inch (51 mm), 3-inch (76 mm), 4-inch (100 mm), 4.9-inch (125 mm), 6-inch (150 mm), 8-inch (200 mm), 12-inch (300 mm), as well as being developed in the 16-inch (450 mm) and 26.6 inches (675 mm), the latter is relatively rare.
wafer dimensions
Wafer size classification
1-inch (25 mm)
2-inch (51 mm)
3-inch (76 mm)
4-inch (100 mm)
4.9-inch (125 mm)
6 inch (150 mm)
8 inches (200 mm)
12-inch (300 mm)
16 inches (450 mm, under development)
26.6 inches (675 mm, very rare)
In the practical application of wafers, the surface area of a 12-inch wafer is significantly larger than that of an 8-inch wafer, which allows it to make more chips in the production process.
Although the manufacturing technology of large-size wafers is more complex, the requirements for production equipment and processes are higher, and the initial investment cost is huge, but its yield management and production efficiency challenges also increase.
