Powerchip Semiconductor Manufacturing Corp (PSMC, 力積電) today said that it has completed the sale of its facility in Miaoli County to Micron Technology Inc and is to begin a technological collaboration with the US memorychip supplier in accordance with their agreement.
Following the transfer of the plant to the US company, the two firms are to begin joint development of high-bandwidth memory (HBM) and post-wafer-finish foundry services, as well as advanced memory process technologies, PSMC said in a statement.
Photo: CNA
The strategic partnership with Micron is expected to boost momentum for PSMC’s growth in its new 3D artificial intelligence (AI) foundry business, the statement said.
Under the terms of the deal, PSMC sold its plant in Miaoli’s Tongluo Township (銅鑼) to Micron for US$1.8 billion, while the US company agreed to provide technical assistance to PSMC to develop niche DRAM chip processes at its Hsinchu facility.
PSMC chairman Frank Huang (黃崇仁) today said that the company’s 3D AI foundry business has entered the field of AI applications, such as wafer-on-wafer, interposers and silicon capacitors. In the future, PSMC is to provide HBM and foundry services to Micron, he said.
"Through the advancement of DRAM technology, PSMC will not only assist customers in entering the 8G DDR4 product line, but will also significantly increase the output value of wafer manufacturing, making the 3D AI foundry technology roadmap more complete," Huang said.
PSMC is also to help Micron accelerate the installation of advanced DRAM production lines in the Tongluo plant’s cleanrooms, the company said.
In a separate statement, Micron said the new Tongluo site is expected to support meaningful product shipments starting in fiscal year 2028.
The US firm is also planning the next phase of expansion at the site, with construction scheduled to begin by the end of fiscal year 2026 on a second facility of comparable scale, which is to create about 25,084m² of additional cleanroom space, it said.
"The Tongluo facility complements our Taiwan operations and is a critical component of our global expansion plans," Micron executive vice president for global operations Manish Bhatia said in the statement.
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