ROHM and Toshiba announced on Friday (8 December) that they would be spending $2.7bn (Y389.41bn) to manufacture power devices together, a key component to boost energy efficiency in electric vehicles (EVs) and factories.
The two Japanese companies will focus on silicon carbide and silicon chips to help meet the demand of smaller and lighter EVs.
The move backs Tokyo’s emphasis on creating a steady infrastructure of semiconductors domestically.
During a news conference on Friday, Economy Minister Yasutoshi Nishimura said Japan had been pushing for more collaboration between domestic chipmakers.
“It is essential that domestic power semiconductor manufacturers work with one another to improve Japanese industry’s international competitiveness,” Nishimura said.
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The collaboration between the two companies is the first since Rohm’s participation in a $14bn buyout of Toshiba in March.
Toshiba will be working on boosting the production capacity of silicon power devices, with Lapis semiconductor, an affiliate of Rohm, boosting the production capacity of silicon carbide devices at a separate factory.
The move follows Japan’s decision to designate an extra $13.3bn to bolster domestic semiconductor manufacturing.
Bloomberg reported that $5bn of the budget will support chip production, which could include a second Taiwan Semiconductor Manufacturing facility in Kumamoto. The factory is expected to cost $13bn and will produce 2–12 nanometre logic chips.
The company is also developing a $8.6bn factory on the Japanese island of Kyushu, which is expected to begin selling chips in 2024.