Siemens Process

Some articles on process, siemens process:

Silicon Compounds - Production - Electronic Grade
... This method, known as early as 1854 (see also FFC Cambridge process), has the potential to directly produce solar-grade silicon without any carbon dioxide ... purity must be extreme to properly control the process ... Bulk silicon wafers used at the beginning of the integrated circuit making process must first be refined to "nine nines" purity (99.9999999%), a ...
Polycrystalline Silicon - Upgraded Metallurgical-grade Silicon
... solar cell is being produced as a low cost alternative to polysilicon created by the Siemens process ... of ways that require less equipment and energy than the Siemens process ... The Siemens process will remain the dominant form of production for years to come due to more efficiently implementing the Siemens process ...

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