In the UK they have developed their own ReRAM and
Hardware

In the UK they have developed their own ReRAM and are adapting it to production

As suggests Blocks & Files website, the British company Intrinsic Semiconductor Technology has developed a proprietary technology for manufacturing embedded ReRAM memories. To adapt to production on 300 mm silicon substrates, the technology was transferred to the Belgian center Imec. It is claimed that the manufacturing process for the release of ReRAM arrays has been pushed to 50nm standards and the memory promises a combination of high speed and non-volatility.

A frame from the developer's presentation showing the structure and operation of a ReRAM cell.  Image source: Intrinsic Semiconductor Technology

A frame from the developer’s presentation showing the structure and operation of a ReRAM cell. Image source: Intrinsic Semiconductor Technology

Intrinsic grew out of the work of two University College London (UCL) researchers: Professor Anthony Kenyon and Dr. Adnan Mehonic. In 2017 both retired from science and founded Intrinsic. However, the roots were not completely torn off. In March 2021, the company received money from the college’s investment department and IP Group to continue the work: a total of £1.35 million ($1.8 million). As a result, an agreement was concluded with the Imec center to adapt the production technology of ReRAM arrays to 300 mm substrates within the CMOS process.

Intrinsic ReRAM memory is based on the widely used technology of reversible saturation of the memory cell with oxygen ions. Such a memory is being made ready for series production, for example, by the Israeli company Weebit Nano together with the French institute CEA / Leti. And if Weebit Nano has achieved the release of ReRAM arrays on 300mm wafers with a 28nm process technology, then Imec and the British are moving towards 50nm technology standards and apparently still have no working samples. In any case, Intrinsic cannot provide numerical properties of prototypes of proprietary ReRAM memories.

However, you can rest assured that Imec and Intrinsic will perfect ReRAM production technology. The AI, IoT, and future electronics industries could benefit from another non-volatile memory option that will be as fast as SRAM.

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About the author

Dylan Harris

Dylan Harris is fascinated by tests and reviews of computer hardware.

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