Arsenic-Doped Polycrystalline Silicon Wafers
Polycrystalline silicon wafers with arsenic doping for high-mobility n-type applications in RF electronics. Covered by HTS 3818.00.0020 for doped electronic-grade silicon wafers. Arsenic provides superior electron mobility for fast-switching devices.
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Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If arsenic compounds used in doping process
Pure dopant chemicals classify under carbides or other inorganic compounds.
If memories fabricated on these wafers
Resulting memory ICs become integrated circuits of specific types.
If doping solutions or slurries
Liquid doping preparations are chemical goods, not solid wafers.
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Import Tips & Compliance
• Provide Safety Data Sheets for arsenic compounds; comply with HAZMAT shipping rules
• Declare low arsenic concentration to avoid chemical weapon convention flags
• Test for dopant uniformity to prevent quality rejections post-import
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