4DS Memory logoAustralia-based RRAM developer 4DS Memory announced that it has raised a total of $7.6 million AUD ($5.45 million USD) in two financing round.

4DS Memory says that it will use the funds to further develop its Interface Switching ReRAM technology with imec and Western Digital's subsidiary, HGST.

In 2017, 4DS signed signed an agreement with Belgium-based imec to develop a transferable manufacturing process for its technology. In October 2016 4DS also announced the fabrication of a working 40nm RRAM memory cell in collaboration with HGST, a subsidiary of Western Digital.

The 4DS memory cell is constructed using an advanced perovskite material, which has the same crystal structure as the inorganic compound calcium titanium oxide. The cells have no filaments and are so claim to be easier to scale compared to filamentary RRAM.



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