SEMI M16 - Specification for Polycrystalline Silicon

Volume(s): Materials
Language: English
Type: Single Standards Download (.pdf)

This Standard was technically approved by the Silicon Wafer Global Technical Committee. This edition was approved for publication by the global Audits and Reviews Subcommittee on August 31, 2015. Available at and in October 2015; originally published in 1989; previously published November 2010.


NOTICE: This Document was reapproved with minor editorial changes.


This Specification is intended for use in procurement of polycrystalline silicon for growth of electronic grade monocrystalline silicon ingots. Such ingots are sliced into wafers that are subsequently used for the production of semiconductor devices, integrated circuits, and other microelectronic components including microelectromechanical systems (MEMS).


This Specification covers requirements for polycrystalline silicon (poly) used to produce single crystal silicon by either the modified Czochralski (Cz) or float zone (FZ) crystal growth technique for applications in the semiconductor device industry.


Form and dimensional characteristics are the only standardized properties set forth below. A purchase specification may include requirements for additional physical properties as listed in this specification, together with test methods suitable for determining their magnitudes.


Referenced SEMI Standards

SEMI M59 — Terminology for Silicon Technology
SEMI MF1708 — Practice for Evaluation of Granular Polysilicon by Melter-Zoner Spectroscopies
SEMI MF1723 — Practice for Evaluation of Polycrystalline Silicon Rods by Float-Zone Crystal Growth and Spectroscopy
SEMI MF1724 — Test Method for Measuring Surface Metal Contamination of Polycrystalline Silicon by Acid Extraction-Atomic Absorption Spectroscopy

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