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Question:

What is the thickness of the semiconductor wafer used today?

What is the thickness of the semiconductor wafer used today?I have consulted some for solar wafers, heard now that the wafer thickness in 200~400 micron, but we need the wafer thickness requirements for high now, that for semiconductor wafer thickness is slightly higher than the solar energy, but I do not know how much is there in about 1 mm

Answer:

0.670mm or so. The wafer must be thinned, otherwise the loss of the dicing knife is very large, and it is necessary to draw two knives
We do DIP package, 4 inch wafer to be thin to 0.300mm; 6 inch wafer to be reduced to about 0.320mm, error 0.020mm.
For integrated circuits: generally 4 inch wafer thickness of 0.520mm, the thickness of the 6 inch wafer

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