Parts
Machines for assembling electric or electronic lamps, tubes or valves or flash-bulbs, in glass envelopes; machines for manufacturing or hot working glass or glassware. > Parts > Parts
Duty Rate (from China)
Subheadings
Products classified under Tariff item 8475.90.00
Anode Support Fixture for CRT Tubes
Anode support fixture designed to hold and position anodes inside glass envelopes during cathode ray tube assembly. It maintains critical spacing for electron flow, ensuring proper tube function. This fixture is a dedicated part of machines for assembling electric tubes in glass envelopes.
Base Cementing Applicator Nozzle
Precision nozzle for applying adhesive cement to attach metal bases to glass envelope lamps. It is a component of assembly machines that ensures secure, vibration-resistant bonding. This nozzle is specifically designed for lamp assembly machinery.
Crystal Boule Grinder Spindle Assembly
This rotating spindle assembly is a replacement part for crystal grinders that shape semiconductor boules to precise wafer diameters and flats. It is classified under tariff item 8475.90.00 as a part of machines for manufacturing or hot working glass or glassware, which includes equipment for preparing semiconductor wafers.
Czochralski Crystal Puller Spare Gearbox
This precision gearbox is a replacement part for Czochralski crystal pullers used in semiconductor wafer manufacturing to grow monocrystalline silicon boules. It falls under tariff item 8475.90.00 as a part of machines for manufacturing or hot working glass or glassware, which includes crystal growing equipment.
Electrode Press Assembly for Vacuum Tubes
Hydraulic press assembly for sealing electrodes into glass envelopes of vacuum tubes during assembly. It applies controlled pressure to create hermetic seals, essential for tube integrity. This is a core part of tube manufacturing machines.
Exhaust Manifold for Lamp Evacuation Systems
Multi-port manifold distributing vacuum to multiple glass envelopes in batch lamp assembly. It optimizes throughput in high-volume production by evacuating several envelopes simultaneously. This manifold is a part of evacuation machines for lamp manufacturing.
Exhaust Tube Crimping Tool Assembly
Automated crimping tool for sealing exhaust tubes on glass envelope flashbulbs after gas evacuation. It is critical for maintaining internal pressure and ensuring flashbulb reliability. This tool is a dedicated part of flashbulb assembly machines.
Flashbulb Gas Filling Injector
Injector for precise filling of flashbulb glass envelopes with high-pressure gases before sealing. It controls fill volume for consistent flash performance. This injector is a part of flashbulb assembly machines.
Flashbulb Sealing Machine Vacuum Pump
This specialized vacuum pump is designed for machines that seal flashbulbs in glass envelopes during electronic component assembly. It is classified under tariff item 8475.90.00 as a part of machines for assembling electric or electronic lamps, tubes or valves or flash-bulbs, in glass envelopes.
Float Zone Crystal Grower Heating Element
This high-temperature heating element is designed for float zone crystal growers that produce pure monocrystalline semiconductor boules from polysilicon rods. It is classified under tariff item 8475.90.00 as a part of machines for manufacturing or hot working glass or glassware, which includes crystal growing equipment.
Getter Deposition Nozzle for Lamp Envelopes
Nozzle assembly for depositing getter materials inside glass envelopes to scavenge residual gases in vacuum lamps. It ensures long-term vacuum integrity and lamp performance. This nozzle is specifically a part of lamp assembly machines.
Glass Bulb Alignment Jig
Adjustable jig for precise alignment of glass bulbs in electronic lamp assembly lines. It facilitates repeatable positioning for automated assembly. This jig is a dedicated part of machines for assembling lamps in glass envelopes.
Glass Envelope Filament Welding Arm
Robotic welding arm component for precisely attaching filaments inside glass envelopes during electric lamp assembly. It is a dedicated part of machines for assembling lamps in glass envelopes. This component ensures accurate filament placement.
Glass Envelope Lamp Assembly Conveyor Belt
This durable conveyor belt is a component for machines that assemble electric lamps in glass envelopes, facilitating automated production lines. It is classified under tariff item 8475.90.00 as a part of machines for assembling electric or electronic lamps, tubes or valves or flash-bulbs, in glass envelopes.
Hot Glassware Forming Machine Mold
This custom steel mold is used in automated machines for hot working glassware, including semiconductor quartzware production. It is classified under tariff item 8475.90.00 as a part of machines for manufacturing or hot working glass or glassware.
Lead Wire Insertion Mechanism for Lamp Tubes
Precision mechanism for inserting and positioning lead wires into glass envelopes during electronic tube assembly. It is a part of machines for assembling tubes or lamps in glass envelopes. This mechanism ensures accurate wire placement for tube functionality.
Mesa Alignment Stage for Lamp Assembly
Precision XY stage for aligning components inside glass envelope lamps during automated assembly. It provides micron-level accuracy for optical centering. This stage is a dedicated part of lamp assembly machines.
Quartz Pinch Seal Former
Heating and forming tool for creating pinch seals on quartz glass envelopes in high-intensity lamps. It handles high-melt temperatures for durable seals. This tool is a specific part of assembly machines for glass envelope lamps.
Semiconductor Wafer Grinder Control Board
This electronic control circuit board is used in wafer grinders to ensure precise dimensional control during semiconductor wafer preparation. It is classified under tariff item 8475.90.00 as a part of machines for manufacturing or hot working glass or glassware, which includes wafer processing equipment.
Stem Press Mold for Electronic Tubes
Interchangeable mold for forming glass stems with lead wires in tube assembly presses. It allows quick changeovers for different tube types. This mold is a dedicated part of glass envelope tube machines.
Tip-Off Torch Head for Flashbulb Sealing
Hydrogen-oxygen torch head for tip-off sealing of glass envelopes in flashbulb assembly machines. It provides localized melting for clean seals. This torch head is a part of hot-working equipment for lamp and flashbulb production.
Vacuum Sealing Station for Glass Envelope Lamps
Specialized vacuum sealing station used in machines that assemble electric lamps with glass envelopes. It ensures airtight seals during the manufacturing process. This station is a part of lamp assembly machines.
Wafer Lapping Machine Polishing Pad
This specialized polyurethane polishing pad is used in wafer lappers and polishers to achieve flatness tolerances required for semiconductor fabrication. It is classified under tariff item 8475.90.00 as a consumable part of machines for manufacturing or hot working glass or glassware, which includes wafer preparation equipment.
Wafer Polisher Slurry Feed Pump
This precision peristaltic pump delivers polishing slurry in wafer polishers during semiconductor surface preparation. It is classified under tariff item 8475.90.00 as a part of machines for manufacturing or hot working glass or glassware, which includes wafer processing equipment.
Wafer Slicing Diamond Saw Blade
This precision diamond-impregnated saw blade is used in wafer slicing saws to cut monocrystalline boules into thin semiconductor wafers. It is classified under tariff item 8475.90.00 as a part of machines for manufacturing or hot working glass or glassware, which includes wafer preparation equipment.