• JS Foundry Corporate Overview
  • JS Foundry’s Niigata Fab Overview
  • JS Foundry Process Capability

JS Foundry Corporate Overview

Company Name

JS Foundry KK.              

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Head Office

#802 NEW SHIMBASHI BILL 2-16-1 Shimbashi, Minato-ku, Tokyo 105-0004, Japan

TEL.+81-3-6205-8380

Niigata Factory

Koh 3000,Chiya,Ojiya-shi,Niigata 947-8502,Japan

TEL.+81-258-83-3434

CEO

Akihiko Sakai

Date of Establishment

December 1, 2022

Business

・Foundry Business

・Analog and Power semiconductor Pre-processing

・Backside Processing

・Epi Growth

・Chip-size Packaging


JS Foundry’s Niigata Fab Overview

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  • Factory Manager Hiroshi Ichinose

  • Address Koh 3000, Chiya, Ojiya-shi, Niigata

  • Foundation April 1st, 2023

  • Site Area 161,867m²

  • Headcount Approx. 580

  • Business Domain Foundry Service     

FE, EPI:6φ CSP : 8φ

BG, BM, BUMP, Testing : 6/8φ

  • Production 365 days, 24 hours/day

*plans to launch 8” Front-End(FE) line

(In terms of timing : under consideration)


JS Foundry Process Capability


LSI

Discrete

Front-end

MPU (0.30um tech with one time)

PT- / NPT- / FS- /RC-IGBT

Logic(0.35)

MOS-FETs (Planar, Trench)

Mixed-sigmal (BiDC)

Bip Tr/Diode

Back-end

Ultra-thin (with TAIKO tech, 70 um), Back metal (Ti, Ni, Cu, Au, Ag, Al, NiCr)

UBM(under bump metal with plating tech, NiAu, NiPdAu)

STM(solder top metal with plating / lift-off tech)

Bump Line

WLP(Wafer Level Package)

Flip chip, Ultra-thin with thick patterned Cu


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