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A home-made lithographically-fabricated integrated circuit

Screenshot of sam.zeloof.xyz captured 2026-07-20
Page preview · captured 2026-07-20

Resurfaced independently across 3 calendar years, with breakout response in 3 of them.

submissions
6
submitters
6
observed span
2018–2021
peak thread · 116 comments
712 pts
latest 20+ return · 2021-08-22
114 pts

Submission timeline

2007–2026

One slot for every year since HN launched. Height is that year's peak points; orange marks a 100+ point or 50+ comment breakout. Select a bar to open its strongest thread.

First comments on top threads

HN comment order

Awesome. For those considering exploring some of these steps in their own garage -- the chemistry is dangerous, perhaps HF in particular, as it doesn't hurt, it just kills you a few hours later. Can you do this in a garage? Absolutely, but learn everything you need to know from an ensemble of safety-minded mentors before you strike out on your own. It's not just about safety for you, proper disposal of these chemicals is essential for the many generations…

ISL·712-point thread·

Leaving it here: https://libresilicon.com A guy in HK is making a 1um fab with own process and open tooling.

baybal2·247-point thread·

Sam's second IC, the Z2, was discussed a few days ago. You can find the discussion here: https://news.ycombinator.com/item?id=28176255 dang has a comment with links to other related discussions in there.

Comments moved to https://news.ycombinator.com/item?id=16955549, which is currently at the top of the front page.

dang·19-point thread·

The first top-level comment from each of the four biggest threads, in HN’s own order. Excerpts are shortened; open a comment for full context.

Breakout years
3

100+ points or 50+ comments

Total points
1104

reference only — not used in Hall rules or ranking

Total comments
172

reference only — not used in Hall rules or ranking

Every submission

DateTitle as submittedByPointsComments
2018-04-29First made-at-home integrated circuits using litographyConfiks191
2018-04-30A home-made lithographically-fabricated integrated circuitFirst breakout · Best threadDEFCON28712116
2018-04-30First IC :)janvdberg81
2018-10-02First integrated circuitguiambros41
2019-10-13Homemade IC (2018)modinfo24740
2021-08-22A home-made lithographically-fabricated integrated circuit (2018)Hall induction · Latest 20+ point returnpunnerud11413