today I learned that we (as a civilization) now can put 16 silicon flash dice into a single 700µm microSD card on a commercial scale https://www.ose.com.tw/en/ic-services/memory-product-package/microsdsd
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today I learned that we (as a civilization) now can put 16 silicon flash dice into a single 700µm microSD card on a commercial scale https://www.ose.com.tw/en/ic-services/memory-product-package/microsdsd
@whitequark afaik this process also involves very carefully grinding the back side of silicon wafers (the side which doesn't have the transistors) in order to make all the dies as thin as possible
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if you think that the precariously balanced tower of flash above is an inaccurate representation of what's going on, i can reassure you that
(a) this is exactly how it looks like, and
(b) SK Hynix is up to 24 layers already (not sure in what application)
Semiconductor Back-end Process 4: Packages, Part 2
This article will explore packaging technologies that combine multiple packages and components within a single product.
SK hynix Newsroom - (news.skhynix.com)
@whitequark@social.treehouse.systems the fact i can go to tesco and purchase this marvel of engineering will never not be extremely funny to me
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if you think that the precariously balanced tower of flash above is an inaccurate representation of what's going on, i can reassure you that
(a) this is exactly how it looks like, and
(b) SK Hynix is up to 24 layers already (not sure in what application)
Semiconductor Back-end Process 4: Packages, Part 2
This article will explore packaging technologies that combine multiple packages and components within a single product.
SK hynix Newsroom - (news.skhynix.com)
@whitequark fascinating to see microscope images of die stacks
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@whitequark@social.treehouse.systems the fact i can go to tesco and purchase this marvel of engineering will never not be extremely funny to me
@amy @whitequark At some point I bought a 1TB microSD card and completely forgot about it – until I found it a few days ago under the junk on my desk.
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@amy @whitequark At some point I bought a 1TB microSD card and completely forgot about it – until I found it a few days ago under the junk on my desk.
@jernej__s @amy I had the same experience (I plugged it into my Steam Deck)
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@jernej__s @amy I had the same experience (I plugged it into my Steam Deck)
@whitequark @amy Hey, I just found another 1TB microSD card I forgot about!
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today I learned that we (as a civilization) now can put 16 silicon flash dice into a single 700µm microSD card on a commercial scale https://www.ose.com.tw/en/ic-services/memory-product-package/microsdsd
@whitequark and all that just to create a storage format that's too small for human hands to handle.
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@whitequark and all that just to create a storage format that's too small for human hands to handle.
@cm shhhhh... if you say that too loudly they'll make a nanoSD card
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@cm shhhhh... if you say that too loudly they'll make a nanoSD card
@whitequark /me deletes previous toot
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if you think that the precariously balanced tower of flash above is an inaccurate representation of what's going on, i can reassure you that
(a) this is exactly how it looks like, and
(b) SK Hynix is up to 24 layers already (not sure in what application)
Semiconductor Back-end Process 4: Packages, Part 2
This article will explore packaging technologies that combine multiple packages and components within a single product.
SK hynix Newsroom - (news.skhynix.com)
@whitequark
When are people going to be buying old cards on eBay to scavenge the gold wire? -
today I learned that we (as a civilization) now can put 16 silicon flash dice into a single 700µm microSD card on a commercial scale https://www.ose.com.tw/en/ic-services/memory-product-package/microsdsd
@whitequark .7mm ea * 16 = 11.6mm thick not inc. substrate........ thats a beefy card.?
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@whitequark .7mm ea * 16 = 11.6mm thick not inc. substrate........ thats a beefy card.?
@whitequark oh wait, yea, its too early for me to be making social media posts, going to go get coffee. bbl.
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@whitequark
When are people going to be buying old cards on eBay to scavenge the gold wire?@RealGene they do buy ewaste for this already
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@RealGene they do buy ewaste for this already
@whitequark
Yup. I made a few bucks selling obsolete chips that happened to have gold plated caps… -
today I learned that we (as a civilization) now can put 16 silicon flash dice into a single 700µm microSD card on a commercial scale https://www.ose.com.tw/en/ic-services/memory-product-package/microsdsd
@whitequark is this what the Tower of Babel looked like before it fell
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@RealGene they do buy ewaste for this already
@whitequark @RealGene although almost anything made in the last 10ish years is copper bonded now
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today I learned that we (as a civilization) now can put 16 silicon flash dice into a single 700µm microSD card on a commercial scale https://www.ose.com.tw/en/ic-services/memory-product-package/microsdsd
@whitequark @joe foolish rocks, you will do our microscopic bidding!
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today I learned that we (as a civilization) now can put 16 silicon flash dice into a single 700µm microSD card on a commercial scale https://www.ose.com.tw/en/ic-services/memory-product-package/microsdsd
@whitequark Is this "3D NAND" and similar? I always wondered how they achieved the stacking!
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if you think that the precariously balanced tower of flash above is an inaccurate representation of what's going on, i can reassure you that
(a) this is exactly how it looks like, and
(b) SK Hynix is up to 24 layers already (not sure in what application)
Semiconductor Back-end Process 4: Packages, Part 2
This article will explore packaging technologies that combine multiple packages and components within a single product.
SK hynix Newsroom - (news.skhynix.com)
@whitequark also each flash die has several hundred layers of stacked bit cells
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@whitequark also each flash die has several hundred layers of stacked bit cells
@azonenberg yep! Samsung got up to 400 layers last year
