Part · chemistry

Photoresist

Formulate selected novolac/DNQ positive photoresist in compatible solvent, filter and package; discovery hypothesis only.

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.

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.

Requirement	Role	Use	Relationship status
Novolac resist resin	Part	consumed feed/processing stock or incorporated material; exact stock and losses unknown	Cycle-checked; compatibility unknown
Diazonaphthoquinone photoactive feed	Part	consumed feed/processing stock or incorporated material; exact stock and losses unknown	Cycle-checked; compatibility unknown
Resist coating solvent	Part	consumed feed/processing stock or incorporated material; exact stock and losses unknown	Cycle-checked; compatibility unknown
Mixing/solution-control equipment	Tool	reused fabrication/verification tool	Cycle-checked; compatibility unknown
Filtration	Tool	reused fabrication/verification tool	Cycle-checked; compatibility unknown
Containers	Tool	reused fabrication/verification tool	Cycle-checked; compatibility unknown
Analytical instruments	Tool	reused fabrication/verification tool	Cycle-checked; compatibility unknown
Chemical protection equipment	Tool	reused fabrication/verification tool	Cycle-checked; compatibility unknown
Chemical effluent collection equipment	Tool	reused fabrication/verification tool	Cycle-checked; compatibility unknown

Making outline

Formulate selected novolac/DNQ positive photoresist in compatible solvent, filter and package
Keep separated intermediate states and retain/assay a witness sample; process settings and acceptance limits remain unknown.

What remains unresolved

Making route and target-level requirements not researched.
Complete inventory, source-supported recipe, independent acceptance, caller demands, stock/loss and availability remain unreviewed.
This legacy chemistry is a trial route; no claim it can pattern final flagship logic. Required wavelength, resolution and chemically amplified alternatives remain pending.

Unselected discovery proposals

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

Polymers, Chemical workshop, Solvents, Analytical instruments

Proposed capability specification

{
  "function": "Photoresist",
  "quantity": "NOT_RESEARCHED",
  "purity_dimensions_performance": "NOT_RESEARCHED",
  "acceptance_and_calibration": "NOT_RESEARCHED"
}

Earlier research provenance

2026-10-09 materials breadth pass 03

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 → Flexible interconnect → Photoresist

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