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Japan’s Renesas to Boost Domestic Semiconductor Output

Chief executive Hidetoshi Shibata said a shortage of supplies of raw materials in Europe and North America was a greater risk than boosting production in Japan


Renesas Electronics, one of Japan's biggest semiconductor makers, plans to expand domestic production in Japan instead of building plants overseas.
Hidetoshi Shibata, the chief executive of Renesas, displays a printed circuit board at the company's San Jose office on Wednesday. Photo: Reuters.

 

Renesas Electronics, one of Japan’s biggest semiconductor makers, plans to expand domestic production in Japan instead of building plants overseas.

Chief executive Hidetoshi Shibata said a shortage of supplies of raw materials in Europe and North America was a greater risk than boosting production in Japan.

While manufacturing in Japan was susceptible to earthquakes, Shibata said Renesas was investing in technologies to cope with challenges from natural disasters.

“When it comes to front-end production, I don’t necessarily believe there are good supplies of ingredients in geographies like Europe or the US,” Shibata said.

He spoke in Silicon Valley after meeting with employees of US chip companies that Renesas acquired in recent years.

Front-end production is the process of creating chips on wafers – round shiny plates of silicon. They are then sent for packaging, often in black plastic casings.

Shibata said Renesas would keep a stock of chips that it could supply to customers in case of stoppages.

Renesas said in May it would invest 90 billion yen ($650 million) in its previously closed Kofu factory in Japan, revamping it to build power chips – semiconductors that manage electricity.

 

Major Supplier of Automotive Chips

Renesas, whose shareholders include Toyota and automotive component company Denso, is a major chip supplier for the automotive industry.

Shibata said that, while there was “sufficient capacity worldwide to cope with all the demand,” there were still areas of sharp shortages in power management chips and some analogue and mixed-signal (analogue and digital) chips with larger transistors.

Generally, the smaller the transistors, the faster and more powerful a semiconductor will be. While the latest smartphones have chips with 5 nanometre (nm) transistors, the automotive industry uses more mature technology, often 40nm or larger.

Shibata said Renesas’s manufacturing expansion would stick with 40nm or larger technology to meet that demand.

Still, the company continued to design chips that were close to the latest technologies, he said, and its automotive customers were “sampling” the 7nm chip Renesas has sold, although it is made by other chip manufacturers.

 

  • Reuters, with additional editing by George Russell

 

 

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George Russell

George Russell is a freelance writer and editor based in Hong Kong who has lived in Asia since 1996. His work has been published in the Financial Times, The Wall Street Journal, Bloomberg, New York Post, Variety, Forbes and the South China Morning Post.

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