{"schema_version":1,"experiment_id":"eoa_inverse_innovation_exp12_substrate_denial72_20260805","research_id":"eoa_inverse_innovation_exp12_light_screen_20260805","cell_id":"additive_measure_space_design__chemistry_materials","search_lanes":{"direct_problem_and_intervention":{"queries":["catalyst washcoat loading distribution spatial uniformity monolith gravimetric weight gain","segmented catalyst support sections washcoat loading weight measurement","spatial catalyst washcoat mass distribution carrier plate gravimetry"],"source_ids":["SRC1","SRC2","SRC3"],"no_result_note":null},"synonyms_and_historical_terms":{"queries":["washcoat loading weight gain uniformity catalyst","coating quantity wet uptake catalyst carrier body weighing","coating mass spatial distribution gravimetric segments"],"source_ids":["SRC1","SRC2","SRC4"],"no_result_note":null},"products_practices_and_standards":{"queries":["washcoat loading uniformity X-ray micro-CT catalyst carrier","catalyst carrier coating production balance wet uptake","gravimetric coating mass per unit area ISO standard"],"source_ids":["SRC2","SRC3","SRC4"],"no_result_note":null},"component_combination":{"queries":["removable tiles catalyst carrier plate coating gravimetric","assembled catalyst carrier segments individually weighed coating loading","tessellated substrate gravimetric coating uniformity","removable coupon array coating deposition uniformity gravimetric"],"source_ids":["SRC1","SRC2","SRC3","SRC4"],"no_result_note":"The bounded searches did not locate an opened source combining a functional carrier tessellated into removable tiles, exhaustive tile-level pre/post gravimetry, and reconciliation against an independently weighed assembled carrier."}},"sources":[{"source_id":"SRC1","title":"Measurement of Automotive Catalyst Washcoat Loading Parameters by Microscopy Techniques","publisher":"Oxford University Press / Microscopy and Microanalysis","url":"https://academic.oup.com/mam/article-abstract/5/4/267/6927264","source_type":"PRIMARY_RESEARCH","claims_supported":["Production weight-gain measurement accurately measures total washcoat on an individual catalyst but does not measure washcoat-loading uniformity.","Washcoat uniformity is relevant to catalytic activity and catalyst cost.","Microscopy, EDS mapping, and image processing provide a sampling-based alternative for spatial characterization."]},{"source_id":"SRC2","title":"Method and device for coating a series of support bodies (US20090130294A1)","publisher":"United States Patent and Trademark Office, accessed through Google Patents","url":"https://patents.google.com/patent/US20090130294A1/en","source_type":"OTHER","claims_supported":["Catalyst-carrier coating quantity can be determined by weighing a carrier body before and after coating.","Conventional carrier-body coating has a measurable fluctuation range, and coating quantity influences finished-catalyst activity.","The disclosed production method weighs whole ceramic or metal carrier bodies and corrects their total wet uptake, rather than exhaustively localizing coating mass by removable regions."]},{"source_id":"SRC3","title":"A laboratory scale fast feedback characterization loop for optimizing coated catalysts for emission control","publisher":"Royal Society of Chemistry","url":"https://pubs.rsc.org/en/content/articlehtml/2024/re/d4re00168k","source_type":"PRIMARY_RESEARCH","claims_supported":["X-ray micro-CT is an established method for three-dimensional spatial characterization of catalyst-layer thickness and homogeneity in monolith channels.","The study observed unevenly distributed catalyst layers and large thickness differences even though deposited catalyst amounts differed only slightly from a common target.","X-ray micro-CT provides a close spatial-mapping rival but does not directly partition total deposited mass gravimetrically."]},{"source_id":"SRC4","title":"ISO 10111:2019 Metallic and other inorganic coatings — Measurement of mass per unit area — Review of gravimetric and chemical analysis methods","publisher":"International Organization for Standardization","url":"https://www.iso.org/standard/73284.html","source_type":"OFFICIAL_STANDARD","claims_supported":["Pre-coating and post-coating specimen weighing is an internationally standardized gravimetric principle for determining average coating mass per unit area.","The standard covers averages over measured specimen areas and multiple gravimetric or chemical methods, but its public description does not disclose the proposed tiled functional carrier and independent assembly-recomposition check.","The ISO page states that the 2019 edition was confirmed in 2024."]}],"problem_evidence":{"status":"SUPPORTED","finding":"The problem is directly visible. Primary research states that production weight gain measures total catalyst washcoat but not its uniformity, and separate research demonstrates spatially uneven catalyst layers despite only small differences in total deposited amount. Thus, an acceptable bulk total can conceal materially different spatial distributions.","source_ids":["SRC1","SRC3"]},"closest_prior_art":[{"name":"Production whole-carrier weight-gain measurement","source_ids":["SRC1","SRC2"],"overlap":"Uses before/after weighing to quantify coating uptake on catalyst carrier bodies and can support coating-quantity acceptance or correction.","remaining_difference":"It yields a whole-body total and does not directly assign all retained coating to exhaustive, non-overlapping spatial regions."},{"name":"X-ray micro-CT catalyst-layer mapping","source_ids":["SRC3"],"overlap":"Provides full three-dimensional spatial information about catalyst-layer thickness and homogeneity and reveals distributions hidden by total loading.","remaining_difference":"It maps image-derived thickness or morphology rather than obtaining direct additive coating-mass increments for physical tiles and checking their sum against an independent assembly mass."},{"name":"Standard specimen-level gravimetric coating-mass measurement","source_ids":["SRC4"],"overlap":"Determines coating mass per unit area from uncoated and coated specimen weights using an established gravimetric principle.","remaining_difference":"The opened standard description concerns averages over measured areas; it does not disclose a functional carrier built as a complete removable partition or a separate whole-assembly recomposition anchor."},{"name":"Sampling-based microscopy and EDS washcoat measurement","source_ids":["SRC1"],"overlap":"Characterizes local washcoat loading, density, and geometry at sampled catalyst locations.","remaining_difference":"It is sampling-based and instrumentally inferred rather than an exhaustive additive gravimetric account of every complete tile in the functional footprint."}],"prior_art_disposition":"ADJACENT_PRIOR_ART","contrastive_claim_remaining":"Conditional on reproducible conditioning, negligible substrate loss, and bounded seam and handling effects, a functional carrier made from removable, non-overlapping tiles can provide exhaustive direct coating-mass localization at tile resolution, with every tile-union mass obtained additively and the complete tile sum reconciled to an independently measured assembly increment. The retained sources separately disclose whole-carrier gravimetry, spatial imaging, and specimen gravimetry, but not that combination.","contrastive_claim_falsifier":"The contrast is falsified if prior art is found that uses removable functional carrier segments as an exhaustive spatial partition, weighs each segment before and after coating, and independently reconciles their summed increments to the assembled carrier; experimentally, it is also falsified if repeated tile increments are irreproducible, fail assembly reconciliation beyond propagated uncertainty, fail destructive-assay correlation, or if seams or disassembly materially alter deposition relative to a matched monolithic carrier.","gates":{"adequate_source_search":{"status":"PASS","rationale":"The bounded search covered direct proposal language, washcoat and uptake terminology, production weighing, microscopy and X-ray mapping, gravimetric standards, witness/coupon concepts, physical segmentation, and component combinations. Exactly four opened sources span four publishers and include two primary studies and an official standard.","source_ids":["SRC1","SRC2","SRC3","SRC4"]},"supported_problem":{"status":"PASS","rationale":"Primary evidence explicitly identifies the inability of whole-catalyst weight gain to measure uniformity and separately demonstrates uneven spatial layers despite similar total catalyst amounts.","source_ids":["SRC1","SRC3"]},"distinct_testable_claim":{"status":"PASS","rationale":"The remaining distinction—exhaustive physical tile partitioning, direct local mass increments, finite additivity, and independent assembly reconciliation—is specific and falsifiable against both documents and measurements.","source_ids":["SRC1","SRC2","SRC3","SRC4"]},"bounded_next_test":{"status":"PASS","rationale":"The proposed twelve-tile inert-surrogate experiment is finite and has measurable endpoints: repeatability, propagated uncertainty, tile-sum versus assembly error, handling loss, seam effect against a matched monolith, and destructive-assay agreement.","source_ids":["SRC1","SRC3","SRC4"]},"no_obvious_safety_or_authority_stop":{"status":"PASS","rationale":"No obvious stop applies to fabricating and weighing one small inert coupon assembly under normal laboratory approval and material-handling controls. Reactor installation, hazardous catalyst chemistry, production-criterion changes, and scale-up remain expressly excluded and require separate responsible-authority review.","source_ids":["SRC3","SRC4"]}},"screen_survival":true,"world_novelty_boundary":"This bounded public-web screen establishes only coarse researchability and an adjacent-prior-art disposition. It cannot establish world novelty, patentability, freedom to operate, market size, expert acceptance, scale-up suitability, or realized technical, catalytic, safety, or economic value."}