Bulk Silicon

02 Materials, Wafers & Crystal

Definition

A conventional crystalline silicon wafer or substrate in which the device layer is part of a continuous silicon body rather than being separated from a base substrate by a buried insulating layer.

Application

Used as a starting substrate for bulk CMOS integrated circuits and as a comparison substrate when evaluating silicon-on-insulator technologies.

Related search terms

Bulk-Si substrate; conventional silicon substrate

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Related concepts

Evidence and further reading

  • Evidence from soitec.comhttps://www.soitec.com/docs/default-source/white-papers/white-paper-fd-substrates-v01b.pdf?sfvrsn=d5b4c3cd_5
  • Evidence from soitec.comhttps://www.soitec.com/docs/default-source/financial-reports/2023-2024/en/soitec_deu_2023_production_uk_mel_0606_opti.pdf?sfvrsn=1568579d_1