NuAxiSemiconductor trade intelligence

Ultrafine Test Socket Aims to Boost HBM Yields

What happened

Orum Material developed a MEMS-based ultrafine test socket capable of probing 65 μm pitch micro-bumps on HBM4 dies with ±1.0 μm accuracy. This addresses the testing bottleneck for stacked DRAM. Neutral impact on spot prices as it remains in prototype validation.

Impact and signal

Low impactImpact score: 10/100

Affected components and suppliers

HBM DRAM

Orum Material

HBMYieldMEMSTesting

Source and time

Source: The Elec · 3/20/2026 · View original source

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Ultrafine Test Socket Aims to Boost HBM Yields

What happened

Impact and signal

Affected components and suppliers

Source and time

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