Tubes; data/graphic display tubes, monochrome; data/graphic display tubes, colour, with a phosphor dot screen pitch smaller than 0.4mm
HS v2022 Code: 854040
About tubes; data/graphic display tubes, monochrome; data/graphic display tubes, colour, with a phosphor dot screen pitch smaller than 0.4mm
HS code 854040 covers a range of specialized electronic tubes, including monochrome and color data/graphic display tubes. These tubes play a crucial role in various electronic devices, from computer monitors and televisions to industrial control systems. As technology continues to advance, the demand for high-quality, high-resolution display tubes remains strong, making this industry an important component of the broader electronics and technology sectors.
Production process
The production of data/graphic display tubes involves several key steps. First, the glass envelope or bulb is formed, which serves as the main structure of the tube. Next, the cathode, grid, and anode components are precisely assembled within the glass envelope. For color display tubes, the phosphor coating on the screen is a critical step, as it determines the quality and resolution of the displayed image. Finally, the tube is evacuated and sealed, ensuring the proper functioning of the internal components.
Production inputs
The production of HS code 854040 tubes requires a range of specialized inputs, including high-purity glass for the envelope, refractory metals like tungsten for the cathode and grid, and phosphor materials for the screen coating. Additionally, advanced manufacturing equipment, such as vacuum chambers and precision assembly tools, are essential for the intricate construction of these tubes. The industry also relies on a skilled workforce with expertise in electronics, materials science, and precision engineering.
Production outputs
The primary outputs of HS code 854040 are monochrome and color data/graphic display tubes, which are used in a variety of electronic devices. These tubes are often consumed by manufacturers of 852851 Monitors and projectors, cathode-ray tube type, 852852 Monitors and projectors, other than cathode-ray tube type, and 852859 Monitors and projectors, not incorporating television reception apparatus. The high-quality, high-resolution display capabilities of these tubes make them essential components in the production of modern electronic devices and displays.
Revisions to 854040
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 854040. The most recent 1 version of this code (854040) is in the HS v2022 system (this version):
This page shows the most recent version of code 854040.
Family tree for tubes; data/graphic display tubes, monochrome; data/graphic display tubes, colour, with a phosphor dot screen pitch smaller than 0.4mm
graph LR
A["<a href='/classifications/hs/v2022/85'>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/v2022/8540'>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/v2022/854040'>854040: Tubes; data/graphic display tubes, monochrome; data/graphic display tubes, colour, with a phosphor dot screen pitch smaller than 0.4mm</a>"]
B --> D["<a href='/classifications/hs/v2022/854011'>854011: Tubes; cathode-ray television picture tubes, including video monitor cathode-ray tubes, colour</a>"]
B --> E["<a href='/classifications/hs/v2022/854012'>854012: Tubes; cathode-ray television picture tubes, including video monitor cathode-ray tubes, monochrome</a>"]
B --> F["<a href='/classifications/hs/v2022/854020'>854020: Tubes; television camera tubes, image converters and intensifiers, other photo-cathode tubes</a>"]
B --> G["<a href='/classifications/hs/v2022/854060'>854060: Tubes; cathode ray, n.e.c. in heading no. 8540</a>"]
B --> H["<a href='/classifications/hs/v2022/854071'>854071: Tubes; microwave, magnetrons, excluding grid-controlled tubes</a>"]
B --> I["<a href='/classifications/hs/v2022/854079'>854079: Tubes; microwave (for example klystrons, travelling wave tubes, carlinotrons), excluding magnetrons and grid-controlled tubes</a>"]
B --> J["<a href='/classifications/hs/v2022/854081'>854081: Valves and tubes; receiver or amplifier</a>"]
B --> K["<a href='/classifications/hs/v2022/854089'>854089: Valves and tubes; n.e.c. in heading no. 8540</a>"]
B --> L["<a href='/classifications/hs/v2022/854091'>854091: Tubes; parts of cathode-ray tubes</a>"]
B --> M["<a href='/classifications/hs/v2022/854099'>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