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Discussion History

Electron Gun

Assembly

The triode column that emits, accelerates, and pre-focuses the electron beam in high vacuum. A full specification article for this item is being written. Meanwhile its bill of materials and connections are below.

Electron Gun parts and their functions

7 top-level parts · 49 parts in total · full bill of materials below
Electron Gun parts diagram: 1 tungsten cathode, 2 wehnelt cylinder, 3 accelerating anode, 4 HV ceramic insulator, 5 gun housing, 6 filament supply, 7 o-ring set. 49 parts in 7 assemblies.
Electron Gun parts diagram. Numbers match the table below; each box is one top-level part or assembly with what it contains.
#PartQtyWhat it does
1 Tungsten Cathode 1× Tungsten emitter cathode
2 Wehnelt Cylinder 1× Wehnelt bias cup
3 Accelerating Anode 1× Accelerating anode
4 HV Ceramic Insulator 1× HV ceramic insulator
5 Gun Housing 1× Gun column housing
6 Filament Supply 3 parts 1× Filament heater supply
7 O-Ring Set 2× Column vacuum seals

3D model

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Build & assembly graph

expand / collapse · shared sub-assemblies converge · links to related products · est. labour
product / assembly shared across products atomic part related product

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Bill of materials for Electron Gun

7 top-level lines · 10 rows shown · 49 parts total · indented to 3 levels
# Item / sub-assembly Part no. Qty/assy Ext. qty Parts Type
1 Tungsten Cathode electron-beam-welder-cathode 1× 1 · part
2 Wehnelt Cylinder electron-beam-welder-wehnelt 1× 1 · part
3 Accelerating Anode electron-beam-welder-anode 1× 1 · part
4 HV Ceramic Insulator electron-beam-welder-gun-insulator 1× 1 · part
5 Gun Housing electron-beam-welder-gun-housing 1× 1 · part
6 Filament Supply 3 parts electron-beam-welder-filament-supply 1× 1 42 assembly
6.1 Bare PCB pcb-bare 1× 1 · part
6.2 Filament Isolation Transformer electron-beam-welder-filament-transformer 1× 1 · part
6.3 SMD Passive (R/C/L) smd-passives 40× 40 · part
7 O-Ring Set oring-set 2× 2 · part

Where the electron gun is used

1 product across 1 domain contain it, directly or inside a sub-assembly

Used in 1 assembly

Electron Beam Welding Machine

Sourcing: possible vendors

Prices, MOQ, and lead times are algorithmic estimates, not quotes, and not claims about these companies. Company mappings are curated by keyword; est. price band $0.50–$100. How estimates work
VendorHQSpecialtyMOQLead time
🇨🇳Foxconn
foxconn.com ↗ 		Shenzhen, CN Electronics contract mfg 1,000 pcs 6–10 wks
🇸🇬Flex (Singapore)
flex.com ↗ 		Singapore Electronics contract mfg 1,000 pcs 6–10 wks
🇮🇳Dixon Technologies
dixoninfo.com ↗ 		Noida, IN Electronics contract mfg 1,000 pcs 6–10 wks
🇨🇳BYD Electronics
bydelectronic.com ↗ 		Shenzhen, CN Electronics contract mfg 1,000 pcs 6–10 wks
🇸🇬Venture Corp
venture.com.sg ↗ 		Singapore Electronics contract mfg 1,000 pcs 6–10 wks