⬆ UPSTREAM — SUPPLIERS11
Tokyo Electron
Leading maker of etch and deposition equipment
Applied Materials
Largest semiconductor equipment maker by revenue
KLA
Dominant maker of wafer inspection and metrology tools
Lam Research
Leading supplier of etch and deposition equipment
Shin-Etsu Chemical
World's largest silicon wafer supplier
SUMCO
#2 global silicon wafer supplier; duopoly with Shin-Etsu controls ~55% of world supply
Entegris
Critical process materials supplier: CMP slurries, ultra-high-purity chemical delivery, and wafer carriers
SCREEN Holdings
Leading wafer cleaning and surface treatment equipment maker (~20% global market share)
Kokusai Electric
Critical supplier of batch ALD and CVD furnace systems essential for NAND and DRAM production
JSR Corporation
Major EUV and ArF immersion photoresist supplier; taken private by Japan Investment Corporation in 2023
ASML
Sole maker of EUV lithography machines
UMC
Taiwan-based mature-node foundry (28nm–40nm) with ~6% global revenue share; key supplier for analog, mixed-signal, and display driver chips
⬇ DOWNSTREAM — CUSTOMERS3
Qualcomm
Leading mobile SoC and edge AI chip designer (Snapdragon X Elite, Cloud AI 100 inferencing)
Broadcom
Custom ASIC and networking chip designer for hyperscalers
Marvell
Custom AI ASIC and networking chip designer for hyperscalers; key supplier of Arm-based data center networking and storage controllers to AWS, Azure, and Google
UPSTREAM — SUPPLIERS
Tokyo Electron
Leading maker of etch and deposition equipment
Applied Materials
Largest semiconductor equipment maker by revenue
KLA
Dominant maker of wafer inspection and metrology tools
Lam Research
Leading supplier of etch and deposition equipment
Shin-Etsu Chemical
World's largest silicon wafer supplier
SUMCO
#2 global silicon wafer supplier; duopoly with Shin-Etsu controls ~55% of world supply
Entegris
Critical process materials supplier: CMP slurries, ultra-high-purity chemical delivery, and wafer carriers
SCREEN Holdings
Leading wafer cleaning and surface treatment equipment maker (~20% global market share)
Kokusai Electric
Critical supplier of batch ALD and CVD furnace systems essential for NAND and DRAM production
JSR Corporation
Major EUV and ArF immersion photoresist supplier; taken private by Japan Investment Corporation in 2023
ASML
Sole maker of EUV lithography machines
↓ all supply to UMC ↓
UMC
Taiwan-based mature-node foundry (28nm–40nm) with ~6% global revenue share; key supplier for analog, mixed-signal, and display driver chips
↓ UMC supplies to ↓
Qualcomm
Leading mobile SoC and edge AI chip designer (Snapdragon X Elite, Cloud AI 100 inferencing)
Broadcom
Custom ASIC and networking chip designer for hyperscalers
Marvell
Custom AI ASIC and networking chip designer for hyperscalers; key supplier of Arm-based data center networking and storage controllers to AWS, Azure, and Google
DOWNSTREAM — CUSTOMERS
QWhat is UMC's role in the AI chip supply chain?
Taiwan-based mature-node foundry (28nm–40nm) with ~6% global revenue share; key supplier for analog, mixed-signal, and display driver chips
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