Smartphone Building
Tool · xray-inventory

Film focal-spot comparison fixture

Separately made geometric aperture/edge artifact and photographic detector/development/readout apparatus for source focal geometry comparison.

Discovered · unresearchedClosure: OpenInventory incomplete

Capability requirements and tolerances

Consumer-specific numerical targets, quantities and acceptance limits remain open or incompletely reviewed. No smartphone-grade suitability is claimed. Distinct capability tiers require their own making route and qualification.

Parts and Tools needed

No researched inventory yet. This is an unexpanded frontier; an empty list does not mean the item can be obtained directly from nature.

What remains unresolved

Canonical reuse assessment
"Independent earlier film/geometry method differs physically from final scintillator/digital image detector; source/reference/film creation remains open."

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Used by

Items that directly require this item in their selected inventory.

Paths from Smartphone

These routes together include every item that can lead from Smartphone to this item. Repeated path combinations are collapsed; recipes are omitted.

Shortest route: Smartphone → Hidden-joint X-ray inspection equipment → Microfocus X-ray source assembly → Film focal-spot comparison fixture

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