HS Code for Wafer tester

A wafer tester is classified under HS code 9030.82 because it is an instrument or apparatus specifically designed for measuring or checking semiconductor wafers or devices. Chapter 90 covers optical, measuring, checking, and precision instruments. Heading 9030 specifically encompasses oscilloscopes, spectrum analyzers, and other instruments for measuring or checking electrical quantities. Subheading 9030.82 is a specific carve-out for the semiconductor industry, covering apparatus that performs electrical testing on wafers before they are diced into individual chips. This classification is driven by the primary function of the device: verifying the electrical integrity and performance of the integrated circuits etched onto the silicon substrate. Under GRI 1, the specific description in 9030.82 for semiconductor checking takes precedence over more general measuring categories.

Products Included

• Wafer probers
• Parametric test systems
• Logic and memory testers for wafers
• Automated Test Equipment (ATE) for semiconductor dies
• Electrical defect inspection systems

Common Misclassification

Wafer testers are often confused with machines in heading 8486.20, which covers machines for the manufacture of semiconductor devices. While testing is part of the production cycle, heading 9030 is more specific for the act of measuring and checking. Additionally, optical inspection systems might be misclassified under 9031.41; however, if the primary purpose is electrical testing or checking the device's functionality, 9030.82 is the correct designation. Confusion also arises with 8537 for control panels, but the analytical nature of the tester keeps it in Chapter 90.

FAQ

What is the HS code for Wafer tester?

The HS code for instruments and apparatus for measuring or checking semiconductor wafers or devices is 9030.82.

Does this code include testers for finished packaged chips?

Yes, 9030.82 covers instruments for checking both the wafers and the final semiconductor devices (integrated circuits).