The claim

The assertion under review states that the technology gap between China and leading semiconductor nations stands at roughly 2 to 3 years. The finding was rated "partly true" (부분 사실) in the original assessment, indicating that the figure is directionally plausible but not fully supported across all segments of the industry.

Why only part of the claim holds

Semiconductor technology is not uniform, and gaps vary significantly by segment. Some areas, such as mature-node fabrication and packaging, are areas where Chinese firms have narrowed the distance quickly, while leading-edge foundry processes and advanced memory remain further behind. The reviewed evidence supports a gap of around 2–3 years in certain segments, but the same figure cannot be applied to the industry as a whole.

Because the sources reviewed cover different parts of the value chain — from foundry to memory to equipment — a single blanket estimate oversimplifies the picture. The "partly true" rating reflects this segmentation: accurate for some technologies, not for others.

What remains uncertain

The reviewed materials do not establish a definitive, unified gap measurement for China's semiconductor sector as a whole, and the 2–3 year figure should be read as an approximation applicable to specific segments rather than a settled industry-wide benchmark.

The claim that China's semiconductor technology gap stands at 2–3 years is Partly True.