Crystal Puller Seed Holder Chuck from Japan
A graphite or quartz seed holder chuck that precisely positions a seed crystal during Czochralski crystal growth, critical for consistent boule diameter control. This is a part of crystal growing equipment used to produce semiconductor boules, classified under parts of machinery for preparing printing components by analogy to precision positioning apparatus.
Duty Rate — Japan → Canada
0%
Import Tips
• Declare the seed holder chuck as a part of machinery for preparing printing components, not as a standalone tool
• Provide material composition certificates (graphite or quartz) to support classification
• Verify if the item is subject to any import restrictions or permits under Canadian regulations for semiconductor equipment