The Spanish Society for Technological Transformation (SETT), attached to the Ministry for Digital Transformation and Public Function , has formalized an investment of 752 million euros with the technology company Diamond Foundry to manufacture components for microchips in Spain , through the creation of a joint company resulting from the public-private collaboration between the Spanish subsidiary of this American company, SETT and private investors.
As a result of this operation, which represents a total investment of 2.35 billion euros until 2029 , and in which SETT participates in 32%, the company has already begun work in Zaragoza to set up a synthetic diamond wafer finishing plant as a basis for semiconductor manufacturing and, in addition, will continue to develop its operations in Trujillo (Cáceres) , where the synthetic diamonds that serve as the basis for microchip wafers are produced .
In fact, the operation, authorized by the Council of Ministers at the end of 2025 , also includes the construction of new facilities in Trujillo, complementary to the existing ones, which will strengthen the production of single-crystal diamond ingots, a material with enormous potential in microelectronics. The competitive advantage of single-crystal diamond (SCD) is its unbeatable performance in high-voltage, high-temperature, and high-frequency applications, and its electrical and thermal properties, which surpass not only silicon but also those of other semiconductors .
In addition to expanding manufacturing capacity in Trujillo, the new Zaragoza factory will focus on wafer cutting, lapping (high-precision smoothing), polishing, and inspection (wafer quality control). This would be the first semiconductor foundry in Spain . The activity of both facilities will create up to 500 direct jobs in Trujillo and up to 300 in Zaragoza .
This technology represents a paradigm shift in the semiconductor industry, using diamonds as a substrate for chips, which increases computing efficiency with lower energy consumption. The centers in Trujillo and Zaragoza are expected to supply major companies in the sector, meeting the needs of the chip manufacturing industry and sectors such as defense and automotive, among others.
The operation also contributes to strengthening Spain's leadership in the semiconductor industry and positioning it as a technology development center, as well as placing Europe at the forefront of the value chain integration market.
SETT's investment is part of the PERTE Chip program , which aims to strengthen the design and production capabilities of the microelectronics and semiconductor industry in Spain. Implementing the PERTE Chip fund , provided for under the Recovery, Transformation and Resilience Plan – Next Generation EU funds – is among SETT's responsibilities. SETT also manages two other financial instruments: Next Tech , dedicated to disruptive technologies, and Spain Audiovisual Hub , which supports the digitalization of the audiovisual sector.
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