Product Classification Guide

HS Code for Semiconductor furnace

8514.19 Furnaces and ovens; electric, for industrial or laboratory use, resistance heated; other than hot isostatic presses, for the manufacture of semiconductor devices on semiconductor wafers
Electronics & Electrical Equipment
View full HS code details

Semiconductor furnaces used for processes such as diffusion, oxidation, or annealing are classified under HS code 8514.19. Heading 8514 covers industrial or laboratory electric furnaces and ovens. Sub-heading 8514.19 specifically refers to resistance-heated furnaces that are not hot isostatic presses. While heading 8486 covers many semiconductor machines, certain electric furnaces used in the industry remain under 8514 if they are resistance-heated and used for the heat treatment of semiconductor wafers. The classification is determined by the heating method (electrical resistance) and the industrial application. These furnaces are critical for modifying the electrical properties of the semiconductor material through controlled thermal environments, often involving the introduction of dopant gases at high temperatures.

Products Included

  • Horizontal and vertical diffusion furnaces
  • Oxidation furnaces for growing silicon dioxide layers
  • Rapid Thermal Processing (RTP) systems using resistance heating
  • Annealing ovens for activating dopants in wafers
  • Atmospheric pressure chemical vapor deposition (APCVD) furnaces

Common Misclassification

Semiconductor furnaces are often misclassified under 8486.10, which is reserved for machines used to grow monocrystal boules (like Czochralski pullers). They may also be confused with 8514.20, which covers furnaces functioning by induction or dielectric loss. If the furnace is used for laboratory research rather than industrial production, it still falls under 8514, but the specific sub-heading depends on the heating technology. It is vital to distinguish these from 8417, which covers non-electric industrial furnaces.

FAQ

What is the HS code for semiconductor furnace?

The HS code for a resistance-heated industrial semiconductor furnace is 8514.19.

Is a diffusion furnace classified under 8486?

While many semiconductor tools are in 8486, resistance-heated furnaces are specifically directed to 8514.19 by the Harmonized System's hierarchical structure and specific exclusions.

Industry

View all codes

Frequently Asked Questions

What is the HS code for Semiconductor furnace?

The HS code for Semiconductor furnace is 851419 (Furnaces and ovens; electric, for industrial or laboratory use, resistance heated; other than hot isostatic presses, for the manufacture of semiconductor devices on semiconductor wafers).

How do I classify Semiconductor furnace for customs?

Semiconductor furnace is classified under HS code 851419 — Furnaces and ovens; electric, for industrial or laboratory use, resistance heated; other than hot isostatic presses, for the manufacture of semiconductor devices on semiconductor wafers. This is a 6-digit subheading level code.

Is the HS code for Semiconductor furnace the same in all countries?

The base HS code 851419 for Semiconductor furnace is internationally standardized for the first 6 digits across 200+ countries. Individual countries may add additional digits for national tariff lines and specific classifications.