Tubes; television camera tubes, image converters and intensifiers, other photo-cathode tubes

HS v2017 Code: 854020

About tubes; television camera tubes, image converters and intensifiers, other photo-cathode tubes

hs code 854020 covers a range of specialized electronic tubes and devices used in various industries, including television production, scientific instrumentation, and medical imaging. These tubes play a crucial role in the capture, conversion, and amplification of light signals, enabling advanced imaging and visualization technologies that are essential for modern communication, research, and healthcare applications. As a key component in the broader electronics and optoelectronics sectors, the products described by this code contribute significantly to the technological advancement and economic growth of many industries.

Production process

The production of the tubes and devices covered by hs code 854020 typically involves a multi-step manufacturing process. This often includes the fabrication of the vacuum-sealed glass or metal envelopes, the precise placement and assembly of the internal electrodes and photosensitive materials, and the careful evacuation and sealing of the final assembly. Advanced techniques such as thin-film deposition, electron beam welding, and high-vacuum processing are commonly employed to ensure the reliability and performance of these specialized electronic components.

Production inputs

The main inputs required for the production of the items under hs code 854020 include high-purity raw materials such as glass, metals (e.g., nickel, tungsten, and molybdenum), and specialized photosensitive materials (e.g., alkali metals, semiconductors). Additionally, the manufacturing process relies on sophisticated equipment and machinery, including vacuum chambers, electron beam welding systems, and precision assembly tools. The industry also requires a highly skilled workforce with expertise in materials science, vacuum technology, and electronic component fabrication.

Production outputs

The primary outputs of the industry covered by hs code 854020 are the various types of tubes and devices, including television camera tubes, image converters, and intensifiers. These components are then incorporated into a wide range of products and systems, such as 851230 Television cameras, 901380 Instruments and appliances used in medical, surgical or veterinary sciences, and 901010 (Apparatus and equipment for photographic (including cinematographic) laboratories). The specialized nature of these products ensures their demand across multiple industries, contributing to the overall economic significance of this hs code.

Revisions to 854020

Classification codes are adjusted frequently. The code may have been revised or replaced between system versions. The table below shows the history (newest to oldest) of the code 854020. The most recent 1 version of this code (854020) is in the HS v2022 system:

This page shows a legacy version of code 854020 ( HS v2017).

Family tree for tubes; television camera tubes, image converters and intensifiers, other photo-cathode tubes

    graph LR
    A["<a href='/classifications/hs/v2017/85'>85: Electrical machinery and equipment and parts thereof; sound recorders and reproducers; television image and sound recorders and reproducers, parts and accessories of such articles</a>"]
A --> B["<a href='/classifications/hs/v2017/8540'>8540: Thermionic, cold cathode or photo-cathode valves and tubes (e.g. vacuum, vapour, gas filled valves and tubes, mercury arc rectifying valves and tubes, cathode-ray and television camera tubes)</a>"]
B --> C["<a href='/classifications/hs/v2017/854020'>854020: Tubes; television camera tubes, image converters and intensifiers, other photo-cathode tubes</a>"]

    B --> D["<a href='/classifications/hs/v2017/854011'>854011: Tubes; cathode-ray television picture tubes, including video monitor cathode-ray tubes, colour</a>"]
B --> E["<a href='/classifications/hs/v2017/854012'>854012: Tubes; cathode-ray television picture tubes, including video monitor cathode-ray tubes, monochrome</a>"]
B --> F["<a href='/classifications/hs/v2017/854040'>854040: Tubes; data/graphic display tubes, monochrome; data/graphic display tubes, colour, with a phosphor dot screen pitch smaller than 0.4mm</a>"]
B --> G["<a href='/classifications/hs/v2017/854060'>854060: Tubes; cathode ray, n.e.c. in heading no. 8540</a>"]
B --> H["<a href='/classifications/hs/v2017/854071'>854071: Tubes; microwave, magnetrons, excluding grid-controlled tubes</a>"]
B --> I["<a href='/classifications/hs/v2017/854079'>854079: Tubes; microwave (for example klystrons, travelling wave tubes, carlinotrons), excluding magnetrons and grid-controlled tubes</a>"]
B --> J["<a href='/classifications/hs/v2017/854081'>854081: Valves and tubes; receiver or amplifier</a>"]
B --> K["<a href='/classifications/hs/v2017/854089'>854089: Valves and tubes; n.e.c. in heading no. 8540</a>"]
B --> L["<a href='/classifications/hs/v2017/854091'>854091: Tubes; parts of cathode-ray tubes</a>"]
B --> M["<a href='/classifications/hs/v2017/854099'>854099: Valves and tubes; parts of the valves and tubes of heading no. 8540, excluding parts of cathode-ray tubes</a>"]

    

    %% Color coordination by level

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    classDef level2 color:#000,fill:#e0a458,stroke:#333,stroke-width:1px
    classDef level3 color:#000,fill:#419d78,stroke:#333,stroke-width:1px
    classDef level4 color:#000,fill:#c04abc,stroke:#333,stroke-width:1px
    classDef level5 color:#000,fill:#f1c40f,stroke:#333,stroke-width:1px
    classDef level6 color:#000,fill:#f1c40f,stroke:#333,stroke-width:1px
    classDef highlight color:#000,fill:#fff,stroke:#000,stroke-width:5px



  %% Apply classes
  class A level2
class B level4
class C level6
class D level6
class E level6
class F level6
class G level6
class H level6
class I level6
class J level6
class K level6
class L level6
class M level6

  class C highlight

  %% class A level1
  %% class B,C level2
  %% class D,E,F,G,H,I level2
  %% class J,K,L,M,N,O,P level3
  %% class C highlight