Smartphone Building
Part · discovery

Bonded bimetal strip stock

Separately prepared bonded pair of dissimilar-expansion metal strips for contact thermometer, including trial/destructive bonding and fatigue specimens; alloy pair, bond quality and dimensions unknown.

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
{
  "checked": [
    "alloy-stock",
    "copper-stock",
    "iron-stock"
  ],
  "decision": "Generic metals do not establish bonded strip state or differential expansion."
}

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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 → Covers → Temperature instruments → Bimetal contact temperature head → Bonded bimetal strip stock

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