Machines for assembling electric or electronic lamps, tubes or flashbulbs, in glass envelopes
Machines for assembling electric or electronic lamps, tubes or flashbulbs, in glass envelopes; machines for manufacturing or hot working glass or glassware; parts thereof: > Machines for assembling electric or electronic lamps, tubes or flashbulbs, in glass envelopes
Duty Rate (from China)
Except for products described in headings 9903.03.02–9903.03.11, articles the product of any country, as provided for in subdivision (aa) of U.S. note 2 to this subchapter
Except as provided in headings 9903.88.05, 9903.88.06, 9903.88.07, 9903.88.08, 9903.88.10, 9903.88.11, 9903.88.14, 9903.88.19, 9903.88.50, 9903.88.52, 9903.88.58, 9903.88.60, 9903.88.62, 9903.88.66, 9903.88.67, 9903.88.68, or 9903.88.69, articles the product of China, as provided for in U.S. note 20(a) to this subchapter and as provided for in the subheadings enumerated in U.S. note 20(b) [to this subchapter]
Products classified under HTS 8475.10.00.00
Electronic Tube Sealing Machine
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.
Lamp Lead Wire Sealing Machine
Machine that seals lead wires through glass envelopes while maintaining vacuum integrity for electric lamps and tubes. Critical assembly step covered by HTS 8475.10.00.00 for glass envelope lamp assembly.
Getter Flash Assembly Unit
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.
Base Attachment Machine for Lamps
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.
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.
LED Lamp Glass Envelope Sealer
Modern machine that hermetically seals LED chips within glass envelopes for high-reliability lamps and indicator lights. Still classified under HTS 8475.10.00.00 for assembly of electric lamps in glass envelopes.
Czochralski Crystal Puller
A machine that uses the Czochralski method to grow monocrystalline silicon boules from molten semiconductor material, which are later sliced into wafers for electronic device fabrication. Classified under HTS 8475.10.00.00 as it assembles components into glass envelopes during the initial crystal growth phase for lamps or tubes. Essential for producing high-purity silicon used in electric lamps and semiconductor processing.
Float Zone Crystal Grower
Equipment employing the float zone method to produce extremely pure monocrystalline semiconductor boules in a controlled glass envelope environment for electronic tubes and lamps. Falls under HTS 8475.10.00.00 due to its role in assembling semiconductor material within glass envelopes during the growth process for lamp/tube production.
Crystal Boule Grinder
Precision grinder that shapes semiconductor crystal boules to exact diameters and grinds orientation flats, preparing them for slicing into wafers used in glass-enclosed electronic lamps and tubes. HTS 8475.10.00.00 applies as part of the assembly process for devices in glass envelopes per chapter notes.
Wafer Slicing Diamond Saw
High-precision diamond wire saw that slices monocrystalline semiconductor boules into thin wafers for fabrication into electronic lamps, tubes, or flashbulbs housed in glass envelopes. Classified in HTS 8475.10.00.00 for its role in the assembly chain of glass-enclosed semiconductor devices.
Semiconductor Wafer Lapper
Machine that laps semiconductor wafers to precise thickness and flatness tolerances, preparing surfaces for deposition processes in glass-enclosed electronic tubes and lamps. Falls under HTS 8475.10.00.00 as essential equipment in the assembly of devices within glass envelopes.
Wafer Polishing Machine
Automated polisher that achieves mirror-finish flatness on semiconductor wafers for subsequent fabrication into components of electric lamps and electronic tubes sealed in glass envelopes. HTS 8475.10.00.00 classification reflects its position in the glass envelope assembly workflow.
Glass Envelope Lamp Assembler
Automated assembly line machine that seals semiconductor elements into glass envelopes to form complete electric lamps or electronic tubes. Directly matches HTS 8475.10.00.00 description for machines assembling lamps/tubes in glass envelopes.
Flashbulb Assembly Machine
High-speed assembler that encapsulates flash powder and semiconductor igniters within glass envelopes to produce photographic flashbulbs. Perfect fit for HTS 8475.10.00.00 covering flashbulb assembly in glass envelopes.
Vacuum Tube Exhaust Station
Station that evacuates air from glass envelopes and seals vacuum tubes containing electronic filaments and semiconductors. HTS 8475.10.00.00 includes such specialized assembly equipment for electronic tubes.