ECCN
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6C994
6C994 Optical materials, as follows (see List of Items Controlled).
- Category
- Category 6—Sensors and Lasers
- Product group
- C. “Materials”
Reason for Control
- AT
Official text
License Requirements
Reason for Control:
AT
Control(s) Country Chart (See Supp. No. 1 to part 738) 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
List of Items Controlled
Related Controls: N/A
Related Definitions: (1) ‘Fluoride fibers’ are fibers manufactured from bulk fluoride compounds. (2) ‘Optical fiber preforms’ are bars, ingots, or rods of glass, plastic or other materials that have been specially processed for use in fabricating optical fibers. The characteristics of the preform determine the basic parameters of the resultant drawn optical fibers.
Items: a. Low optical absorption materials, as follows:
a.1. Bulk fluoride compounds containing ingredients with a purity of 99.999% or better; or
Note:
6C994.a.1 controls fluorides of zirconium or aluminum and variants.
a.2. Bulk fluoride glass made from compounds controlled by 6C004.e.1;
b. ‘Optical fiber preforms’ made from bulk fluoride compounds containing ingredients with a purity of 99.999% or better, “specially designed” for the manufacture of ‘fluoride fibers’ controlled by 6A994.b.
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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