# Impact map — Semiconductors & AI Hardware — East Asia Brief

How developments in Korean, Chinese and Japanese industry propagate: the effect on each country and on global buyers.

**Events mapped:** 16  
**Source:** https://eastasiabrief.com/impact/semiconductors

| Event | Date | Korea | China | Japan | Global buyers | Briefing |
| --- | --- | --- | --- | --- | --- | --- |
| BSPDN Track Qualification | August 29, 2026 | foundry integration | legacy node focus | toolmaker order gains | wafer processing capex rise | https://eastasiabrief.com/semiconductors/tokyo-electron-qualifies-bspdn-coater-developer-tracks-sub-2nm-104 |
| Embedded bridge substrate adoption | August 28, 2026 | domestic substrate capacity expands | packaging tier excluded | market share challenged | 2.5D packaging costs drop | https://eastasiabrief.com/semiconductors/south-korean-substrate-makers-develop-embedded-silicon-bridges-ai-97 |
| High-NA EUV qualification | August 28, 2026 | foundry mask pilot lines | advanced node access cut off | blank makers lock in supply | sub-2nm foundry capex | https://eastasiabrief.com/semiconductors/japan-mask-blank-makers-qualify-high-na-euv-substrates-96 |
| 14nm RISC-V edge AI tape-outs | August 28, 2026 | — | domestic foundries gain volume | — | bypasses advanced packaging constraints | https://eastasiabrief.com/semiconductors/china-risc-v-chipmakers-tap-domestic-14nm-nodes-industrial-73 |
| 200mm line conversion | August 28, 2026 | high-voltage BCD scaling | consumer analog price pressure | auto Tier 1 sourcing options | 800V EV PMIC capacity expands | https://eastasiabrief.com/semiconductors/korea-foundries-shift-200mm-lines-auto-pmics-ev-architectures-80 |
| fluorinated etch gas localization | August 28, 2026 | specialty chemical makers scale domestic distillation | raw mineral sourcing continues | joint production frameworks deployed | fab procurement bypasses offshore gas brokers | https://eastasiabrief.com/semiconductors/korea-chemical-suppliers-expand-fluorinated-etching-gas-purification-cap-88 |
| Low-stress EMC formulation | August 28, 2026 | memory yields | packaging lag | chemical dominance | AI server supply | https://eastasiabrief.com/semiconductors/japanese-epoxy-mold-makers-reformulate-resins-tame-warpage-16-94 |
| BSPDN & Packaging Testbeds | August 28, 2026 | pilot lines & subsidies | packaging competition | equipment & bonding tools | AI chiplet supply | https://eastasiabrief.com/semiconductors/south-korea-funds-advanced-chip-packaging-backside-power-pilot-66 |
| Rapidus 2nm pilot operations | August 28, 2026 | memory packaging interfaces monitored | advanced logic equipment restrictions persist | domestic equipment and material orders rise | alternative leading-edge foundry source tested | https://eastasiabrief.com/semiconductors/rapidus-begins-trial-runs-2nm-pilot-line-hokkaido-ahead-15 |
| Domestic fab tool ramp | August 28, 2026 | memory capex read-across | front-end tool localization | mature node market share | equipment supply chain bifurcated | https://eastasiabrief.com/semiconductors/naura-smee-accelerate-domestic-tool-shipments-chinese-fabs-22 |
| Proprietary DRAM Stacking | August 28, 2026 | tier-1 HBM isolation | domestic TSV integration | packaging material pull | bifurcated AI memory architecture | https://eastasiabrief.com/semiconductors/china-dram-makers-advance-proprietary-vertical-stacking-counter-hbm-28 |
| 3D NAND Cryogenic Etch Rollout | August 28, 2026 | qualification at Pyeongtaek and Cheongju | constrained by multilateral trade rules | commercial tool volume out of Miyagi | contest against US monopoly in high-aspect etch | https://eastasiabrief.com/semiconductors/tokyo-electron-deploys-cryogenic-etch-systems-challenge-us-grip-36 |
| AI Server Substrate Expansion | August 28, 2026 | substrate competition intensifies | — | capacity additions at Ono and Chikuma | hyperscaler accelerator delivery timelines secured | https://eastasiabrief.com/semiconductors/ibiden-shinko-ramp-high-layer-fc-bga-lines-ai-43 |
| 300mm wafer capacity expansion | August 28, 2026 | memory substrate orders shift | mature fab localization rises | raw wafer export volumes soften | substrate supply chain bifurcates | https://eastasiabrief.com/semiconductors/china-expands-300mm-silicon-wafer-capacity-cut-reliance-japanese-45 |
| Foundry Mature Node Realignment | August 28, 2026 | legacy line repurposing | price competition on standard logic | automotive MCU procurement | power IC supply diversification | https://eastasiabrief.com/semiconductors/samsung-foundry-converts-mature-planar-lines-automotive-power-chips-53 |
| JCET Automotive Radar SiP Expansion | August 28, 2026 | packaging equipment suppliers | OSAT and EV Tier-1 suppliers | substrate and material vendors | automotive radar IC market | https://eastasiabrief.com/semiconductors/jcet-expands-automotive-radar-sip-packaging-lines-capture-adas-58 |

An impact map is our reading of how a development travels, not a forecast.
Publisher: East Asia Brief — https://eastasiabrief.com/