ECCN
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3C909
3C909 Silicon, silicon oxides, germanium or germanium oxides, containing any of the following (see List of Items Controlled).
- Category
- Category 3—Electronics
- Product group
- C. “Materials”
Reason for Control
- NS
- RS
- AT
Official text
License Requirements
Reason for Control:
NS, RS, AT
Control(s) Country chart (see Supp. No. 1 to part 738)
- NS applies to entire entry Worldwide control. See § 742.4(a)(5) and (b)(10) of the EAR.
- RS applies to the entire entry Worldwide control. See § 742.6(a)(10) and (b)(11) of the EAR.
- AT applies to entire entry AT Column 1.
List Based License Exceptions (See Part 740 for a Description of All License Exceptions)
LVS: N/A
GBS: N/A
IEC: Yes, see § 740.2(a)(22) and § 740.24 of the EAR.
Special Conditions for STA
STA: License Exception STA may not be used to ship any item in this ECCN to any of the destinations listed in Country Group A:5 or A:6 (See Supplement No.1 to part 740 of the EAR).
List of Items Controlled
Related Controls See ECCN 3E901 for related technology controls for the “development” or “production” of this ECCN.
Related Definitions: N/A
Items:
a. Silicon having an isotopic impurity less than 0.08% of silicon isotopes other than silicon-28 or silicon-30; or
b. Germanium having an isotopic impurity less than 0.08% of germanium isotopes other than germanium-70, germanium-72, germanium-74, or germanium-76.
Note:
3C909 includes “substrates”, lumps, ingots, boules and preforms.
N.B.:
For materials having layers of isotopically enriched silicon (Si) or germanium (Ge) isotopes, see 3C907.
ecfr-15cfr774-supp1-2026-08-28 · effective 2026-08-28
Issue date 2026-08-28. Amendment date 2026-08-28.
- eCFR Commerce Control List (15 CFR 774, Supplement No. 1)www.ecfr.gov
- eCFR versioner XML captured at ingestwww.ecfr.gov
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