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)

8540.11 Tubes; cathode-ray television picture tubes, including video monitor cathode-ray tubes, colour

• High definition
• 8540.11.11 With a video display diagonal not exceeding 35.56 cmFree
• 8540.11.12 With a video display diagonal exceeding 35.56 cmFree
• Other, for non-projection television receivers
• 8540.11.21 With a video display diagonal not exceeding 35.56 cmFree
• 8540.11.22 With a video display diagonal exceeding 35.56 cmFree
• 8540.11.90 OtherFree

8540.12 Tubes; cathode-ray television picture tubes, including video monitor cathode-ray tubes, monochrome

• High definition
• 8540.12.11 For use in the manufacture of video monitors; For use in the manufacture of high definition colour television receivers, projection typeFree
• 8540.12.19 OtherFree
• Other
• 8540.12.91 For use in the manufacture of video monitors; For use in the manufacture of other colour television receivers, projection typeFree
• 8540.12.99 OtherFree

8540.20 Tubes; television camera tubes, image converters and intensifiers, other photo-cathode tubes

• 8540.20.00 Television camera tubes; image converters and intensifiers; other photo-cathode tubesFree

8540.40 Tubes; data/graphic display tubes, monochrome; data/graphic display tubes, colour, with a phosphor dot screen pitch smaller than 0.4mm

• 8540.40.00 Data/graphic display tubes, monochrome; data/graphic display tubes, colour, with a phosphor dot screen pitch smaller than 0.4 mmFree

8540.60 Tubes; cathode ray, n.e.c. in heading no. 8540

• 8540.60.00 Other cathode-ray tubesFree

8540.71 Tubes; microwave, magnetrons, excluding grid-controlled tubes

• 8540.71.00 MagnetronsFree

8540.79 Tubes; microwave (for example klystrons, travelling wave tubes, carlinotrons), excluding magnetrons and grid-controlled tubes

• 8540.79.00 OtherFree

8540.81 Valves and tubes; receiver or amplifier

• 8540.81.00 Receiver or amplifier valves and tubesFree

8540.89 Valves and tubes; n.e.c. in heading no. 8540

• 8540.89.00 OtherFree

8540.91 Tubes; parts of cathode-ray tubes

• 8540.91.10 Front panel assemblies as follows: (a) with respect to colour cathode-ray television picture tube, an assembly that consists of a glass panel to which a shadow mask or aperture grill is attached for ultimate use, that is suitable for incorporation into a colour cathode-ray television picture tube (including a video monitor or video projector cathode-ray tube) and that has undergone the necessary chemical and physical processes for imprinting phosphors on the glass panel with sufficient precision to render a video image when excited by a stream of electrons; or (b) with respect to a monochrome cathode-ray television picture tube, an assembly that consists of either a glass panel or a glass envelope, that is suitable for incorporation into a monochrome cathode-ray television picture tube (including a video monitor or video projector cathode-ray tube) and that has undergone the necessary chemical and physical processes for imprinting phosphors on the glass panel or glass envelope with sufficient precision to render a video image when excited by a stream of electronsFree
• 8540.91.90 OtherFree

8540.99 Valves and tubes; parts of the valves and tubes of heading no. 8540, excluding parts of cathode-ray tubes

• Other
• 8540.99.10 Electron guns; Radio frequency (RF) interaction structures for microwave tubes of subheading 8540.71, 8540.72 or 8540.79Free
• 8540.99.90 OtherFree