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Card 673 of 10002026-08-28 issue

Observed arrival · 2026-08-28

QuantumCore’s wafer-by-wafer nanofabrication tracker

qncorfab.app Observed source
Editorial interest 84/100 Selection signal · not a rating of the site

A process-tracking board for an NbTiN device run, following wafers from silicon cleaning and sputtering through lithography, dicing, block fabrication, and measurement.

Landing page captured for the 2026-08-28 issue.

Field notes

The tracker represents fabrication as a branching route rather than a simple checklist, separating wafer-level work from later block-level operations. It exposes named tools such as Plassys, Heidelberg MLA, JEOL EBL, DISCO, and G2N, while attaching identifiers to specific wafers and blocks. The visible RCA-1 procedure includes a 5:1:1 solution ratio, a 75–80 °C bath, a 10-minute soak, and three DI rinse trays. Several downstream procedures remain marked SOP pending.

Observed signals

Read the marks

Editorial observations of this landing page, not a rating.

OpenPublic substance visible
PrettyNotable craft visible
ProPolished or operationally mature
NicheUnusually specific use

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Landing page observed 2026-08-28. The live site may have changed.