SEMI PV50 - Specification for Impurities in Polyethylene Packaging Materials for Polysilicon Feedstock
This Specification is intended for the quality and the testing method of polyethylene (PE) bags. The quality of PE bags is critical as poor quality PE bags may contaminate polysilicon and cause contamination during transportation. Forming an industry-consensus standard will minimize contamination, control the associated costs and improve communication between supplier and user.
This Standard will cover the quality criteria and the associated test method for impurities contained in PE bags used for polysilicon feedstock packaging. The size and the metal impurities (Al, Zn, Na, Ca, K, Ni, etc.) on both surface and in the body of the bag are defined in this Document.
Referenced SEMI Standards (purchase separately)
SEMI PV50-0114 (Reapproved 1220)
SEMI PV50-0114 (first published)
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