5/13/2023 0 Comments Autocad mechanical 2022![]() ![]() ![]() In this process, a cylindrical ingot of high purity monocrystalline semiconductor, such as silicon or germanium, called a boule, is formed by pulling a seed crystal from a melt. ![]() One process for forming crystalline wafers is known as the Czochralski method, invented by Polish chemist Jan Czochralski. Nearly defect-free single crystalline material, with a purity of 99.9999999% ( 9N) or higher. ![]()
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