Acoustic filter cavity lid
Make a lid and seal perimeter that leave the SAW surface unloaded Discovery hypothesis; caller demands and physical qualification remain open.
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 |
|---|---|---|---|
| Alloy stock | Part | incorporated; allocation and losses open | Cycle-checked; compatibility unknown |
| Precision machines | Tool | reused fabrication equipment; availability unqualified | Cycle-checked; compatibility unknown |
| Cleaning equipment | Tool | reused fabrication equipment; availability unqualified | Cycle-checked; compatibility unknown |
| Dimensional instruments | Tool | reused for verification/calibration; independent origin required | Cycle-checked; compatibility unknown |
| Workshop surfaces | Tool | reused fabrication equipment; availability unqualified | Cycle-checked; compatibility unknown |
| Containers | Tool | reused fabrication equipment; availability unqualified | Cycle-checked; compatibility unknown |
| Handling assembly | Tool | reused fabrication equipment; availability unqualified | Cycle-checked; compatibility unknown |
Making outline
- Form one metal lid with carrier-compatible seal perimeter.
- Inspect clearance and cleanliness; no resin may fill the acoustic cavity.
What remains unresolved
- Full inventory, quantities, losses, capability compatibility and acceptance remain unreviewed.
Canonical reuse assessment
{
"existing_candidates_checked": [
"mems-cap-wafer",
"covers",
"enclosures"
],
"decision": "RF acoustic surface requires unloaded protected cavity; inertial MEMS silicon cap and general cover have different geometry.",
"availability": "No candidate is asserted built or suitable; qualification, copies, cleanliness and schedule remain open.",
"identity_search": "Canonical IDs, aliases/functions and all JSON proposals searched before new ID request; approved for staging by coordinator."
}Proposed capability specification
{
"function": "Make a lid and seal perimeter that leave the SAW surface unloaded",
"quantity_dimensions": "not yet specified",
"performance_precision_purity": "not yet specified",
"interfaces_environment": "not yet specified",
"acceptance": "Trial pieces must meet caller demand with independent references; numerical limits not yet specified."
}Earlier research provenance
- proposals/2026-10-08-discovery/camera-rf/report.md; coordinator candidate-union revision 2
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 → Main board → Board passives → Radio filters and duplexers → Acoustic filter cavity lid
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