{"schema_version":1,"experiment_id":"eoa_inverse_innovation_exp09_archetype_breadth150_20260804","cell_id":"representation_independent_interface_contract__chemistry_materials","arm":"BREADTH_PROBE_ONE_SHOT","candidate_id":"representation_independent_interface_contract__chemistry_materials__P1","proposal_index":1,"version":0,"title":"Behavioral Qualification Contract for Substitutable Temporary Wafer-Bonding Materials","problem":"A semiconductor process line must sometimes replace a temporary wafer-bonding material because a formulation, supplier, or manufacturing site changes. Qualification is currently tied to resin identity, solvent composition, proprietary formulation details, and supplier-specific recipes rather than to the material system's behavior across the full bond-process-debond-clean sequence. A nominally similar replacement can therefore pass incoming chemical checks yet fail through wafer shift, residue, outgassing, premature release, or damage during debonding; conversely, a compositionally different material cannot be accepted even when it may provide equivalent process behavior.","actors":["Wafer-integration process engineer","Temporary-bonding material supplier","Bonding and debonding tool owners","Contamination-control engineer","Reliability and failure-analysis staff","Manufacturing quality authority"],"observable_state":"For a defined wafer stack and process envelope, observers can record the state transitions from unbonded surfaces to bonded stack, post-processing stack, released wafers, and cleaned surfaces. Observable measures include bond integrity, alignment retention, void formation, thermal and chemical exposure tolerance, outgassing, debond force and failure mode, residue, particle addition, surface damage, and declared incompatibility or failure responses.","consequence":"Without a representation-independent contract, material substitutions require repeated interpretation of supplier formulations, downstream recipes become coupled to particular chemistries, and replacements can be accepted or rejected for reasons that do not reliably establish preservation of the required wafer-level behavior.","affected_objective":"Maintain safe substitutability of temporary wafer-bonding materials while preserving wafer alignment, process survivability, controlled release, cleanability, and contamination limits throughout the declared manufacturing sequence.","intervention":"Define the temporary bonding material as an opaque functional component governed by a versioned behavioral contract. Specify permitted operations and state transitions—prepare, apply, bond, expose within a declared process envelope, debond, and clean—together with invariants, error semantics, side-effect limits, and acceptance thresholds. Treat formulation, molecular architecture, solvent package, and supplier manufacturing method as hidden representations. Apply the same black-box conformance suite to each candidate and allow substitution only within the tested context envelope.","structural_mapping":[{"archetype_element":"Abstract component boundary","domain_realization":"The component is the complete temporary-bonding material system supplied for use between specified wafer surfaces, including any required primer or release layer declared by the supplier."},{"archetype_element":"Observable operation surface","domain_realization":"Prepare, apply, bond, endure declared thermal and chemical exposures, debond, and clean are the public operations; their measured wafer-level outcomes form the observable surface."},{"archetype_element":"Abstract state model","domain_realization":"The governed states are unbonded, bonded, process-exposed, released, and cleaned, with allowed transitions and invalid-transition responses defined explicitly."},{"archetype_element":"Representation-hiding boundary","domain_realization":"Resin chemistry, molecular-weight distribution, additives, solvent blend, synthesis route, and internal supplier controls remain non-contractual unless they create a declared safety or compatibility obligation."},{"archetype_element":"Representation invariant","domain_realization":"Across all conforming implementations, the bonded stack remains within specified alignment, integrity, contamination, and exposure limits until an authorized debond operation, after which surfaces meet release and cleanliness limits."},{"archetype_element":"Conformance oracle","domain_realization":"A common test-vehicle protocol measures bond-process-debond-clean behavior without using formulation identity as the acceptance criterion."},{"archetype_element":"Substitutability acceptance rule","domain_realization":"A candidate may replace the incumbent only for wafer stacks, tools, exposure sequences, and operating ranges in which it passes the same contract suite and controlled canary run."},{"archetype_element":"Observable leakage watchlist","domain_realization":"Undocumented dependence on color, odor, viscosity drift, cure trace shape, exact debond temperature, supplier-specific cleaning sequence, or failure appearance is recorded and either promoted into the contract or removed from client procedures."},{"archetype_element":"Versioned contract record","domain_realization":"Changes to substrates, exposure envelopes, acceptance measures, cleaning obligations, or failure handling create a reviewed contract revision rather than an informal recipe adjustment."}],"mechanism_mapping":[{"mechanism_slug":"black_box_contract_test_suite","role":"Runs every candidate through the same sequenced wafer-level challenges and judges only declared observable outcomes and errors.","counterfactual_removal":"Without the shared suite, suppliers can demonstrate different favorable tests, leaving no common basis for substitution."},{"mechanism_slug":"metamorphic_behavior_test","role":"Checks that controlled changes within the declared envelope—such as dwell time, film thickness, or thermal history—produce allowed changes while preserving stated invariants.","counterfactual_removal":"Without these relation-based tests, a candidate could pass at one recipe point while hiding brittle behavior immediately around it."},{"mechanism_slug":"representation_leakage_probe","role":"Audits work instructions, data reviews, and acceptance decisions for reliance on formulation-specific or supplier-specific traits not included in the behavioral contract.","counterfactual_removal":"Without leakage probing, accidental traits can become unofficial requirements and again block or destabilize substitution."},{"mechanism_slug":"substitutability_trial_or_canary","role":"Introduces a conforming candidate on a bounded set of non-production or otherwise authorized wafers before any broader release.","counterfactual_removal":"Without the canary, contract omissions affecting real tool interactions would first appear during a wider change."}],"causal_chain":["Qualification based on formulation identity and supplier-specific recipes couples downstream manufacturing to a hidden material representation.","Defining the bond-process-debond-clean sequence as the public behavioral surface separates required outcomes from chemical implementation choices.","Explicit state transitions, invariants, edge cases, and side-effect limits make previously implicit wafer-level dependencies testable.","A shared black-box oracle exposes whether each candidate preserves those obligations across the declared context envelope.","Leakage audits prevent convenient but unsupported formulation traits from hardening into new client dependencies.","A bounded substitutability canary tests the contract against actual tool interactions before the quality authority considers broader use.","Contract-conforming materials can then be considered interchangeable only inside the verified envelope, while formulation changes remain governed as hidden implementation changes unless they alter observable obligations."],"baseline":"The baseline is supplier- and formulation-specific qualification: incoming composition or physical-property checks, a preferred bonding recipe, selected end-point tests, and expert review of deviations. It does not provide a single sequenced behavioral oracle, explicit state model, leakage audit, or rule establishing when a chemically different implementation is substitutable.","nearest_rivals":["Composition-matching procurement specification, which constrains chemical representation rather than defining full sequence behavior","Supplier-specific process qualification, which can validate one product but does not establish a shared substitution contract","Generic incoming quality control, which checks lot properties without exercising the bond-process-debond-clean state transitions","Single end-point adhesion or residue testing, which omits operation order, exposure history, error behavior, and side-effect limits"],"remaining_contrastive_claim":"The distinguishing claim is that replacement decisions should be governed by one versioned, sequence-aware behavioral contract and common black-box oracle, with formulation treated as hidden representation, rather than by chemical similarity, isolated property thresholds, or separate supplier demonstrations.","authority_safety":{"decision_authority":"The manufacturing quality authority retains approval authority, with required sign-off from wafer integration, tool ownership, contamination control, and environmental health and safety for the tested envelope.","authorized_first_step":"Create and execute a laboratory-scale comparison on designated test wafers using the incumbent and one candidate material; this authorizes measurement only, not production substitution.","excluded_actions":["No use on customer or production wafers","No waiver of chemical hazard review, supplier disclosure duties, or facility compatibility checks","No extrapolation beyond tested substrates, tools, temperatures, chemicals, durations, or film-thickness ranges","No acceptance based solely on aggregate scores that conceal a failed safety, contamination, damage, or release invariant","No demand for disclosure of proprietary formulation details beyond independently required safety and regulatory information"],"halt_rollback":"Stop the trial upon unexpected wafer damage, uncontrolled release, tool contamination, hazardous emission, or violation of a hard invariant. Quarantine affected wafers and consumables, clean and inspect equipment under existing procedures, and restore the incumbent material and recipe before further testing."},"negative_tests":{"strongest_counterevidence":"Historical or pilot results show that wafer-level conformance cannot predict substitution safety without knowing and controlling particular internal chemical features, because those features drive delayed, cumulative, or analytically invisible failure modes outside the black-box protocol.","problem_falsifier":"The inferred coupling problem is falsified if current qualification already uses a shared, formulation-independent, sequence-aware contract; multiple materials are routinely judged by the same oracle; and client procedures contain no consequential supplier- or formulation-specific dependencies.","intervention_falsifier":"The intervention is falsified if candidates that pass the defined oracle still diverge on a predeclared critical outcome during blinded repeat testing or the authorized canary, indicating that the observable surface, context envelope, or invariant set is insufficient for substitution.","risks":["An incomplete contract may certify a material whose delayed residue, corrosion, or reliability effects are not represented in the test window.","Test vehicles may fail to reproduce production topography, films, stresses, or tool interactions.","Hiding representation could be misread as permission to omit hazard, regulatory, or contamination-relevant composition information.","Overly narrow thresholds may freeze incumbent behavior and exclude acceptable implementations; overly broad thresholds may admit damaging divergence.","A single scalar pass score could conceal incompatible failure modes or correlated side effects.","Suppliers or process teams may optimize to the oracle while neglecting unmeasured behavior."]},"next_evidence_step":"On one specified wafer-stack test vehicle, write a draft contract containing the five state transitions, hard invariants, permitted envelope, failure semantics, and leakage watchlist; then run a blinded, replicated black-box comparison of the incumbent and one candidate through no more than three preselected exposure sequences. Record whether the oracle distinguishes known invalid runs, whether repeated runs agree on every hard invariant, and which observed behaviors remain unclassified. Do not authorize substitution from this step.","prior_art_status":"UNSEARCHED","diversity_from_prior_proposals":"No prior proposals were inspected or used. This candidate is independently derived from the supplied archetype and domain card and centers on a stateful materials sequence rather than a stateless property specification.","revision_record":{"parent_version":null,"progress_targets_addressed":[],"conceptual_changes":[],"operational_changes":[],"evidence_changes":[],"claim_changes":[]}}