Smartphone Building
Part · mechanical

Cover glass

Cut, edge-finish and chemically strengthen sodium aluminosilicate sheet; open discovery hypothesis, unknown caller demands and complete inventory.

Current research paused · earlier saved evidence available · earlier evidence draft reviewedClosure: OpenInventory incomplete

Saved research and review

Bounded own-node research; physical completeness and acceptance not inferred.

Workers stopped after usage limit; user requested no process restarts while publishing shared project checkpoints. Saved evidence remains available; full research is not complete.

Evidence review is separate from immediate-record completeness, current recipe qualification and manufacturing closure. Reports retain their original scope; later engineering changes require their own review.

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.

Making steps · draft selected for navigation; not a validated fabrication specification.

Known Parts and Tools

The selected route supplies this page's inventory and the map's dependency links from one record. Further requirements may be missing; review flags do not prove physical suitability.

RequirementRoleUseRelationship status
Aluminosilicate glass sheetPartincorporated or consumed material; quantity/loss unresolvedCycle-checked; compatibility unknown
Potassium strengthening saltPartincorporated or consumed material; quantity/loss unresolvedCycle-checked; compatibility unknown
Glass strengthening bathToolreused fabrication/verification equipmentCycle-checked; compatibility unknown
Lens polishingToolreused fabrication/verification equipmentCycle-checked; compatibility unknown
Optical instrumentsToolreused fabrication/verification equipmentCycle-checked; compatibility unknown
Dimensional instrumentsToolreused fabrication/verification equipmentCycle-checked; compatibility unknown
Cleaning equipmentToolreused fabrication/verification equipmentCycle-checked; compatibility unknown
TongsToolreused fabrication/verification equipmentCycle-checked; compatibility unknown
SupportsToolreused physical tooling; capability and availability unknownCycle-checked; compatibility unknown
Glass sheet cutting and sizing equipmentToolreused operation toolingCycle-checked; compatibility unknown
Optical polishing compound stockPartconsumed operation stockCycle-checked; compatibility unknown
Pure waterPartconsumed operation stockCycle-checked; compatibility unknown
Glass rinse drying and transfer equipmentToolreused operation toolingCycle-checked; compatibility unknown
Glass bath immersion rackToolreused operation toolingCycle-checked; compatibility unknown
Glass destructive test specimen stockPartconsumed verification and rejectsCycle-checked; compatibility unknown
Temperature instrumentsToolverification operation controlCycle-checked; compatibility unknown
ClocksToolreused operation timingCycle-checked; compatibility unknown
Time comparison referenceToolverificationCycle-checked; compatibility unknown
Analytical instrumentsToolverificationCycle-checked; compatibility unknown
Chemical compatibility test fixtureToolverificationCycle-checked; compatibility unknown
Wood or charcoal fuelPartconsumed operation stockCycle-checked; compatibility unknown
Hand-drill ignition kitToolreused operation utilityCycle-checked; compatibility unknown
ContainersToolreused operation/storage/wasteCycle-checked; compatibility unknown
Dry storage coverToolreused protected storageCycle-checked; compatibility unknown
Chemical protection equipmentToolreused operation protectionCycle-checked; compatibility unknown
Chemical effluent collection equipmentToolreused operation waste captureCycle-checked; compatibility unknown
VentilationToolreused operation utilityCycle-checked; compatibility unknown
Workshop surfacesToolreused operation supportCycle-checked; compatibility unknown
Glass stress profile instrumentToolverificationCycle-checked; compatibility unknown
Glass edge impact and bend fixtureToolverificationCycle-checked; compatibility unknown
Glass prism coupling liquidPartconsumed operation stockCycle-checked; compatibility unknown
Glass impact tungsten carbide contact tipPartconsumed replacement operation stockCycle-checked; compatibility unknown
Abrasive stonesToolreused with consumed operation replacement allocationCycle-checked; compatibility unknown

Making outline

  1. Select provisional wet-abrasive sizing/edge finishing, water rinse/dry and salt strengthening; score-break/dry finishing remain separate unselected methods.
  2. Prepare untreated lot/control inputs first, allocate real cutting/edge compound/water/clean transfer, then expose actual witness/production samples in the constructed bath with actual fuel/salt/reference duty.
  3. After the job, separate treated and hold-out control specimen outputs for actual stress/strength/edge tests; retained later tester samples/coupling medium/tip replacement do not pre-exist their producing treatment.
  4. Preserve every original nine requirement and all current independent specialized acceptance/stock/handling/waste obligations; actual glass/abrasive/salt grade, geometry and quantified demand remain unqualified.

What remains unresolved

Unselected discovery proposals

These are research questions, not published manufacturing dependencies. The seed combines alternatives, operating requirements and verification relationships.

Glass stock, Chemical workshop, Heat treatment equipment, Lens polishing, Optical instruments

Sources and leads

Source scope and research notes determine which claims have been checked. A URL does not establish a complete making route.

Proposed capability specification
{
  "function": "Cover glass",
  "quantity": "NOT_RESEARCHED",
  "precision_purity_performance": "NOT_RESEARCHED",
  "acceptance": "NOT_RESEARCHED"
}
Earlier research provenance

Return to the discovered map

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 → Cover glass

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