Helium-Neon Laser Plasma Tube from United States
A helium-neon laser plasma tube generates visible laser light through gas discharge excitation of a helium-neon mixture. Used in alignment and metrology, it qualifies as a gas electron tube under this tariff item.
Duty Rate — United States → Canada
0%
Import Tips
• Classify the tube as a gas-filled electron tube
• Ensure the gas mixture is declared
• If the tube is part of a laser system, consider Chapter 90 classification