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Everspin specializes in manufacturing leaders in MRAM and STT-MRAM, whose markets and applications involve data persistence and integrity, and low latency and security are critical. Hundreds of millions of MRAM and STT-MRAM memory chips are provided for the cloud storage, energy, industrial, automotive and transportation markets. Everspin general agent Yuxin Electronics can provide technical support and product solutions.

MRAM is probably the most promising next-generation non-volatile storage technology today. Toggle MRAM and STT-MRAM have entered the market and gained market share in many applications. Next-generation MRAM technologies, such as SOT-MRAM, can even replace the fastest SRAM applications with higher density.

Figure 1 memory manufacturing process

Due to the relatively complex device architecture, the production process of the Everspin MRAM is divided into several stages, and a magnetic unit (front panel) is made on the top of the CMOS backplane. The measurement and characterization of devices are very important, and the production of MRAM memory which depends on measurement tools is dedicated to MRAM and STT-MRAM measurement.

Integral Solutions Inc (ISI) produces quasi-static testers for MRAM development and production. ISI is the first company to manufacture wafer-level testers for the MRAM industry and may have the largest installation base for STT-MRAM wafer-level testers. The company's long experience in the HDD head industry brings them MTJ testing experience, which brings to the emerging MRAM testing industry.

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