ECCN
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3C907
3C907 Epitaxial materials consisting of a “substrate” having at least one epitaxially grown layer of 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.
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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