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ADEKA to double photo-acid generator capacity at Chiba plant

ADEKA CorporationSodegaura, ChibaPublished
Investment¥1B
PhasePlanned
StartJan 2027
CompletionFeb 2028
Pre-construction
Construction
Today
20272028

Construction starts in about 3 months; completion is scheduled about 16 months from now.

ADEKA will expand production equipment for photo-acid generators used in advanced semiconductor photoresists, including EUV lithography, by adding a manufacturing line inside an existing building at its Chiba plant in Sodegaura. The approximately ¥1 billion investment is scheduled to start construction in January 2027, finish in February 2028, and begin commercial operations in September 2028, doubling capacity from the current level.

Project facts

Owner
ADEKA Corporation
Listing
4401 Tokyo
Facility
Factory/Plant
Sector
Materials & chemicals
Location
Sodegaura, Chiba, Japan
Investment
¥1B — total
Scale / capacity
Approximately 2 times current capacity
Construction start
Jan 2027
Completion
Feb 2028
Announced
Aug 20, 2026
Themes
semiconductor-supply-chain

Figures and schedules are as announced by the company or the public body concerned; plans can change. Amounts that were not disclosed are recorded as not disclosed, never estimated.

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