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Recently, the China Semiconductor Industry Association issued a notice regarding the “Rules for Determining the ‘Country of Origin’ of Semiconductor Products,” stating that according to the relevant provisions on non-preferential origin rules, the origin of “integrated circuits” is determined based on the four-digit tariff number change principle, meaning that the wafer fabrication site is recognized as the country of origin. In this regard, the China Semiconductor Industry Association recommends that the country of origin for “integrated circuits,” whether packaged or unpackaged, should be declared based on the location of the “wafer fabrication factory” for import customs clearance.
Recently, due to China’s increased tariffs on imported products from the U.S., this means that under the new rules, chips fabricated in U.S. wafer factories imported into the country will incur additional tariffs. Jiwei Network has compiled a list of wafer factories located in the United States for industry reference.
According to statistics, there are four foundries with wafer factories in the United States, including TSMC (2), GlobalFoundries (3), Tower Semiconductor (2), and X-Fab (1). There are also six IDM companies with wafer factories in the United States, namely Intel (4), Texas Instruments (5), ADI (3), Micron Technology (3), NXP (4), Infineon (6), and Samsung (2).
TSMC
TSMC is the world’s leading foundry, headquartered in Taiwan, China, with the largest market share in chip manufacturing, providing foundry services for well-known companies such as MediaTek, Apple, and NVIDIA.
Currently, TSMC has two wafer factories in the United States, located in Arizona (12-inch wafer factory – TSMC Arizona Corporation) and Washington (8-inch wafer factory – TSMC Washington, LLC and Wafer Fab 11).
(TSMC Arizona Wafer Factory – TSMC Arizona Corporation)
Texas Instruments
Texas Instruments has a long history of internal manufacturing operations, with a global presence and regional diversification. Among its 15 manufacturing bases worldwide, there are several wafer manufacturing plants, packaging and testing plants, as well as bump and probe plants. Currently, there are 5 wafer factories in the United States, mainly located in Texas, Utah, and Oregon. Approximately 90% of TI’s wafer manufacturing is completed by its own factories, which are primarily concentrated in the U.S.
(Texas Instruments Global Manufacturing Base Distribution)
ADI
ADI has 3 wafer factories in the United States, located in Massachusetts, Washington, and Oregon. The company is expanding its manufacturing capacity both internally and externally, with internal investments expected to double its production capacity in the U.S. and Europe by the end of 2025. Approximately 30%-40% of ADI’s wafer capacity comes from its own factories in the U.S., while the rest relies on external foundries (such as TSMC, UMC) and overseas factories (such as Limerick, Ireland).
Intel
Intel is not only a leading IDM company globally but also provides foundry services. The company has 3 operational manufacturing plants in the U.S., located in Arizona, New Mexico, and Oregon, and plans to build a new wafer factory in Ohio. Approximately 20%-30% of Intel’s wafer capacity comes from its own factories in the U.S., while the rest relies on external foundries (such as TSMC, UMC) and overseas factories (such as Fab 34 in Ireland, Fab 28 in Israel).
(Intel Global Manufacturing Base Distribution)
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Micron Technology
Micron Technology has over 30 offices worldwide, 11 manufacturing bases, and 13 customer labs. Currently, there are 3 manufacturing bases in the United States, located in Virginia, Idaho, and New York. Approximately 10%-15% of Micron’s wafer capacity comes from its own factories in the U.S., while the rest relies on external foundries (such as TSMC, UMC) and overseas factories (such as Japan, Taiwan).
(Micron Global Company Distribution)
NXP
NXP operates 4 wafer manufacturing plants in the U.S., two of which are located in Austin, Texas, and the other two in Chandler, Arizona. The representative products of the wafer factories include MCUs, MPUs, power management chips, RF transceivers, amplifiers, sensors, and RF GaN products. Approximately 30%-40% of NXP’s wafer capacity comes from its own factories in the U.S., mainly focused on automotive and industrial semiconductors.
(NXP Chandler RF GaN Wafer Factory)
GlobalFoundries
GlobalFoundries is a semiconductor wafer foundry company headquartered in California, USA. The company originally spun off from AMD’s manufacturing division and produces not only AMD products but also collaborates with companies such as IBM, ARM, Broadcom, NVIDIA, and Qualcomm.
The company currently has three wafer factories in the United States, located in Malta, New York (Fab 8, mainly 14nm), East Fishkill, New York (Fab 10, mainly 22nm), and Vermont (Fab 9, mainly 90nm).
(GlobalFoundries Global Company Distribution)
Samsung
Samsung has 2 wafer factories in the United States, located in Austin and Taylor, Texas. The largest wafer factory in the U.S. is located in Austin, providing wafer manufacturing from 65nm to 14nm processes. The newly built 5 million square meter wafer factory in Taylor further expands service and production capacity.
(Samsung Wafer Factories in the U.S. and South Korea)
Infineon
Infineon, headquartered in Germany, primarily provides semiconductor system solutions and has 6 production bases in the U.S., including manufacturing, assembly, and production, located in Washington, California, Arizona, Colorado, Texas, and Massachusetts. Approximately 20%-30% of Infineon’s wafer capacity comes from its own factories in the U.S., while the rest relies on external foundries (such as TSMC, UMC) and overseas factories (such as Dresden, Germany, and Kulim, Malaysia).
(Infineon Production Base Distribution in the U.S.)
Tower Semiconductor
Tower Semiconductor is an Israeli semiconductor foundry specializing in providing customized analog solutions for differentiated products, offering cutting-edge process technologies.
The company has two wafer factories in the U.S. (Newport Beach, California, and San Antonio, Texas) and can utilize Intel’s New Mexico factory’s 300mm capacity corridor, mainly producing CMOS, CIS, RF analog, MEMS, power, etc.
(Tower Semiconductor’s Three Foundries)
X-Fab
X-FAB is one of the world’s leading analog/mixed-signal semiconductor technology foundries, focusing on automotive, industrial, and medical applications, headquartered in Germany. The company currently has 1 foundry in the U.S., mainly producing CMOS mixed-signal chips and a range of SiC products.
(X-FAB Global Foundry Distribution)
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