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4DS

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9.2¢ 4ds memory limited

4DS - Anything but Charting, page-24299

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AM27

2,559 Posts.

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20/07/22

18:57

Post #: 62637177
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Originally posted by mjshackl: ↑

PL3 will deliver megabit chips - array + transistors + control logic.

Fully functional as a standalone memory chip that 4DS can run testing programs on to determine "real world" performance and publish metrics to an industry agreed standard.

4DS have already been able to fab prototype kilobit arrays in their own lab, which met IMEC's criteria for development.

IMEC is all about developing an industry compatible process on state of the art equipment. In theory, performance should be better and more consistent between chips, because you can manufacture to much tighter tolerances in an industrial fab.

A further PL4 has already been flagged - the objectives of which have not been discussed yet. My speculation is (assuming this lot is successful and doesn't require additional rectifications) they will look to fab a lot that sacrifices speed for retention and/or endurance - so that the flexibility of the tech can be demonstrated. The other possible thing they could do is chase speed as far as they can. Maybe they will split the lot to produce a range of metrics within the Speed/Retention/Endurance map.

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Good. So the out of fab announcement should/could indicate that the wafers have been diced into individual chips and that imec has confirmed they are working correctly. With 4ds to complete performance characterisation over the next few months.

4DS Price at posting: 11.0¢ Sentiment: Hold Disclosure: Held
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