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STMicroelectronics Opens Automated Assembly Plant in Malaysia as Singapore Fab Advances

By TheFinanceBase Team3 min read
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On October 15, 1999, STMicroelectronics announced an automated expansion of its chip-assembly and test operation in Muar, Malaysia, while accelerating a separate plan for an 8-inch wafer fab in Singapore. The projects covered different stages of semiconductor production: packaging and testing in Muar, and wafer fabrication in Singapore.

What opened in Muar

ST’s new extension at its Muar, Johor, plant was a back-end semiconductor operation: it assembled individual chip dies into packages and tested the finished devices. The project cost RM645 million, which the contemporaneous EE Times report put at approximately US$170 million at the time. The plant had opened in 1994; the 1999 extension was described as its seventh expansion.

ST said each automated line carried out 11 manufacturing functions, from die bonding through testing and packing. The company characterized the process as “hands-free,” meaning packages moved through those production stages without being physically handled by workers. ST also called it the world’s first fully automated IC assembly-and-test capability; that is the company’s claim as reported at the time, not an independently established global ranking.

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The Muar operation made products for automotive, computing and wireless-telecommunications applications. The report also named ball-grid-array, small-outline and thin-small-outline packages. It did not identify individual products, customers, package volumes or yields.

How large the expansion was—and what automation meant for jobs

At opening, the extension had 10 fully automated production lines and was operating at about 60% capacity. ST expected 19 lines by the end of 1999 and 31 by mid-2000, with full-capacity operation anticipated in early 2000. These were reported plans and operating expectations, not verified later outcomes. An ST spokesman also said Muar had been growing at about 24% annually.

The new facility initially employed 300 people. ST expected that number to reach 500 when it was fully operational and projected the overall Muar workforce would grow to 3,900. Automation therefore did not mean a worker-free factory: it reduced physical handling within the line while people remained necessary for roles such as operating, maintaining and supporting production. The report supplied no formal labor-savings calculation.

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ST said it had invested more than RM2.08 billion in Malaysia over the preceding 25 years, equivalent to approximately US$547 million in the report’s contemporary conversion. The stated total covered facility expansion, product lines, research and development, personnel and training.

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What ST planned for Singapore

The Singapore project was not another assembly line. It was a new 8-inch wafer-fabrication facility—front-end manufacturing, where devices are formed on wafers before individual dies are packaged and tested. The 1999 report said construction was moving faster as the semiconductor recovery strengthened. Completion was scheduled for late 2000, with production expected to begin in the second half of 2001.

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The planned fab was to occupy a site acquired from a former large U.S. computer company, next to ST’s existing fab. ST’s then-CEO Pasquale Pistorio said Singapore would remain important for manufacturing, research and development, and advanced projects. ST’s 1999 filing likewise described construction of a new submicron facility in Singapore and expected it to be operational around 2001. These were schedules and expectations announced at the time, not guarantees.

Why Malaysia and Singapore belonged in the same strategy

Location Manufacturing stage Role in the reported expansion
Muar, Malaysia Back end: assembly, packaging and test Automated, high-volume finishing and testing of chips
Singapore Front end: wafer fabrication Additional wafer-production capacity alongside ST’s existing fab and broader R&D activity

The distinction explains the headline’s two-part announcement. Muar was designed to increase capacity for handling and testing packaged devices; Singapore was intended to expand the earlier wafer-making stage. ST’s historical filing lists Muar as a back-end facility and Singapore among its front-end manufacturing locations, supporting that regional division of work. The broader expansion fit a capital program that included investment in front-end and back-end facilities and equipment, as described in ST’s 2000 filing.

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As a manufacturing strategy, integrated automation can reduce handling-related variation and make repeated processes more consistent, while capital-intensive, tightly linked equipment can be costly and dependent on reliable maintenance. Highly automated lines may also be less flexible when product or package requirements change. Those are implications of the model; the 1999 report did not quantify quality improvements, downtime, or labor productivity.

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What happened after the announcement

ST’s later account of its Singapore history says the company’s first 6-inch wafers came from Singapore in 2000 and describes subsequent development of its Singapore manufacturing footprint. That retrospective helps place the 1999 fab plan in context, but it should not be confused with what was known when the expansion was announced. See ST’s Singapore history.

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Written by TheFinanceBase Team

The Team behind TheFinanceBase.

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