Tube Cathode Assembly Station
Workstation that assembles cathodes and grids inside glass envelopes before final sealing for electronic tubes. HTS 8475.10.00.00 covers all stages of tube assembly in glass envelopes.
Import Duty Rates by Country of Origin
Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If injection molding of plastic tube components
Plastic part forming excludes glass envelope assembly.
If bending cathode wires
Wireworking machines separate from tube assembly.
If finished cathodes/electrodes
Electrical machinery parts classify separately.
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Import Tips & Compliance
• Cathode material (tungsten/thoriated) and grid spacing specs required
• Vacuum bake-out process documentation
• Precision jig specifications for electrode alignment
Related Products under HTS 8475.10.00.00
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Precision equipment that fuses glass envelopes around vacuum tube electrodes and semiconductor elements under controlled atmospheres. HTS 8475.10.00.00 specifically covers such assembly machines for electronic tubes in glass envelopes.
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Equipment that installs and activates getter materials inside glass envelopes to maintain vacuum in electronic tubes and lamps. Part of the complete assembly process under HTS 8475.10.00.00.
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Automated machine that cements or crimps lamp bases onto sealed glass envelopes containing electronic filaments. Final assembly step for complete lamps under HTS 8475.10.00.00.
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Czochralski Crystal Puller
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