Microscopes (except optical microscopes) and diffraction apparatus

1. Scope and Applicability

This PCR covers complete non-optical microscopes and diffraction apparatus manufactured as functional instruments, including transmission and scanning electron microscopes and laboratory X-ray diffraction or scattering apparatus. It applies to factory-gate foreground data packages for one declared model and configuration.

Compound optical microscopes, sample-preparation equipment, stand-alone analytical instruments outside this product boundary, spare parts and accessories supplied separately, installation at the customer site, distribution, use, maintenance, refurbishment, and end-of-life treatment are excluded. A study may add downstream stages, but it must report them separately from this cradle-to-gate result.

Electron-microscope and diffraction-apparatus architectures differ materially. Route-specific component rows are conditional and must not be combined into a hypothetical average instrument.

2. Product Category Identity

Field	Value
canonical_pcr_id	pcr.metal-products-machinery-and-equipment.medical-appliances-precision-and-optical-instruments-watches-and-clocks.microscopes-except-optical-microscopes-and-diffraction-apparatus
classification_refs	CPC 3.0: 48261, exact classification context
covered_products	Complete non-optical microscopes, including electron microscopes; complete diffraction apparatus, including laboratory X-ray diffraction and scattering systems
excluded_products	Compound optical microscopes; separately supplied parts and accessories; sample-preparation equipment; instruments outside CPC 48261
representative_product	One complete configured electron microscope or one complete configured laboratory X-ray diffraction apparatus
production_route	Receipt of purchased components and subassemblies; route-specific integration; conditional precision cleaning; final assembly; factory acceptance testing and calibration; dispatch packaging
market_state	New, complete, factory-tested apparatus ready for dispatch at the manufacturing-site gate

3. Reference Flow

Field	Value
What	Provide the declared microscopy or diffraction measurement function for the specified instrument family and configuration
How much	One complete apparatus
How well	Meets the manufacturer's declared resolution, measurement range, detector configuration, safety features, and documented factory acceptance criteria
How long or cycle	One new apparatus at factory gate; service life and use-stage duty cycle are disclosed only if downstream stages are added
reference_flow_link	The reference amount is the measured net mass of the one declared apparatus, excluding dispatch packaging and separately supplied spares

Field	Value
Reference amount	Measured net mass in kg of one complete declared apparatus
Reference product flow	Microscopes (except optical microscopes) and diffraction apparatus dd0f6b31-a7ef-48f9-b3aa-b4bfe44ec36d
Reference flow property	Mass 93a60a56-a3c8-11da-a746-0800200b9a66
Reference unit group	Units of mass 93a60a57-a4c8-11da-a746-0800200c9a66
Reference unit	kg
Required qualifiers	instrument family; model and configuration; net product mass; electron or X-ray source type; accelerating voltage or generator power as applicable; detector type and count; vacuum and cooling configuration; declared performance and factory acceptance criteria; manufacturing site and production period; dispatch packaging configuration

When constructing a foreground data package, the items listed in Required qualifiers must be declared in dataset metadata, process notes, reference flow comment, product description, or an equivalent data package field. Missing required qualifiers make the reference flow definition incomplete for that data package.

4. Measurement and Unit Rules

rule_id	Applies to	Required property	Required unit	Rule
mu_reference_mass	Reference product and reference_product_output	Mass 93a60a56-a3c8-11da-a746-0800200b9a66	kg	Weigh or derive from a verified as-built bill of materials the net mass of the complete accepted apparatus; exclude pallet, protective foam, shipping crate, and separately supplied spares.
mu_component_mass	Component, subassembly, and packaging inputs	Mass 93a60a56-a3c8-11da-a746-0800200b9a66	kg	Record installed or dispatched mass by stable part number and configuration; do not substitute purchase value or item count without a documented mass conversion.
mu_electricity_energy	integration_electricity and acceptance_test_electricity	Net calorific value 93a60a56-a3c8-11da-a746-0800200c9a66	MJ	Preserve meter readings in kWh and convert to MJ with 1 kWh = 3.6 MJ; identify the meter, allocation window, and excluded non-production loads.
mu_water_mass	precision_cleaning_water and precision_cleaning_wastewater	Mass 93a60a56-a3c8-11da-a746-0800200b9a66	kg	Prefer direct mass records; when volume is metered, record temperature or the declared density factor used to convert volume to mass.

5. System Boundary

Boundary Abstraction

Field	Value
declared_starting_condition	Purchased materials, components, subassemblies, packaging, and facility utilities are received at the manufacturing site with upstream datasets attached
starting_condition_role	Cradle-to-gate foreground starting condition for instrument integration and factory release
product_classification_scope	Complete CPC 48261 apparatus only; separately supplied parts/accessories and optical microscopes remain outside this PCR
recursive_input_rule	A purchased complete CPC 48261 apparatus incorporated into another delivered configuration is recorded once as an upstream product input and is not recursively decomposed with this PCR
upstream_dataset_requirement	Every purchased component, subassembly, material, packaging item, and utility crossing the boundary requires a representative upstream dataset or an explicit data gap
disclosure	Declare the instrument family, configuration, make-versus-buy boundary, included factory operations, allocation method, packaging, geography, production period, and any downstream stage added beyond factory gate

rule_id	Applies to	Rule	source_ids
sb_factory_gate	All foreground datasets	Include received components and their upstream supply, on-site integration, conditional precision cleaning, final assembly, acceptance testing/calibration, and dispatch packaging through release at the manufacturing-site gate.	un-cpc-3-0-structure-2025
sb_route_configuration	Route-specific modelling	Model one declared electron-microscope or diffraction-apparatus configuration. Include only the source, detector, vacuum, cooling, and control components actually installed; do not average mutually exclusive routes.	thermo-fisher-talos-l120c-g2-2022; bruker-d8-advance-family
sb_downstream_exclusion	Distribution, installation, use, service, and end-of-life	Exclude downstream stages from the core result. If added, report them separately and declare duty cycle, service life, installation utilities, maintenance, and end-of-life scenario.	thermo-fisher-electron-microscope-sustainable-design

6. Process Inventory Structure

Process Map

process_id	process_name	inclusion	inclusion_condition	role	quantitative_reference
component_integration	Component and subassembly integration	required	Always; route-specific rows apply only to the declared configuration	Foreground production	Per one accepted apparatus
precision_cleaning	Precision cleaning before final closure	conditional	Include when parts or assemblies are cleaned on-site and water crosses the foreground boundary	Foreground conditioning	Per one accepted apparatus
final_acceptance_packaging	Final assembly, acceptance testing, calibration, and dispatch packaging	required	Always; packaging rows apply only when dispatched with the product	Foreground production and release	Net kg of one accepted apparatus

Process: Component and subassembly integration (component_integration)

Inputs

Product flows

Electron-optical column assembly (electron_optical_column)

Record the installed electron-optical column only for an electron-microscope configuration. The source type, accelerating-voltage range, lens configuration, and installed mass must be traceable to the as-built record.

• Selected flow: Electron-optical column assembly
• Flow property / unit: Mass / kg
• Amount rule: measured installed mass when the electron-microscope route applies; otherwise document not applicable
• Value mode: Foreground record (foreground_record)
• Specificity: Product-specific (product_specific)
• Normalization basis: per one accepted apparatus
• Basis kind: Reference flow (reference_flow)
• Evidence kind: Collected record (collected_record)
• Collection protocol: cp_component_bom
• Sources: thermo-fisher-talos-l120c-g2-2022

X-ray source assembly (xray_source_assembly)

Record the installed X-ray tube and generator source assembly only for a diffraction-apparatus configuration. Keep source target/material, focus, generator power, cooling arrangement, and installed mass with the configuration record.

• Selected flow: X-ray diffraction source assembly
• Flow property / unit: Mass / kg
• Amount rule: measured installed mass when the diffraction-apparatus route applies; otherwise document not applicable
• Value mode: Foreground record (foreground_record)
• Specificity: Product-specific (product_specific)
• Normalization basis: per one accepted apparatus
• Basis kind: Reference flow (reference_flow)
• Evidence kind: Collected record (collected_record)
• Collection protocol: cp_component_bom
• Sources: bruker-d8-advance-family

Vacuum pump (vacuum_pump)

Record the installed vacuum pump when the declared configuration uses it. Disclose pump technology and whether it is already included within another purchased subassembly to prevent double counting.

• Selected flow: Vacuum pump
• Flow property / unit: Mass / kg
• Amount rule: measured installed mass when a vacuum pump is within the declared make-versus-buy boundary
• Value mode: Foreground record (foreground_record)
• Specificity: Product-specific (product_specific)
• Normalization basis: per one accepted apparatus
• Basis kind: Reference flow (reference_flow)
• Evidence kind: Collected record (collected_record)
• Collection protocol: cp_component_bom
• Sources: thermo-fisher-talos-l120c-g2-2022

Radiation detector module (detector_module)

Record installed detector modules by actual configuration, aggregating only multiple units with this same Tiangong identity. Detector technology and count remain required qualifiers.

• Selected flow: Radiation detector module 57ac0224-60f1-4a27-a61e-96f632f61703
• Flow property / unit: Mass / kg
• Amount rule: total measured mass of installed detector modules with this identity
• Value mode: Foreground record (foreground_record)
• Specificity: Product-specific (product_specific)
• Normalization basis: per one accepted apparatus
• Basis kind: Reference flow (reference_flow)
• Evidence kind: Collected record (collected_record)
• Collection protocol: cp_component_bom
• Sources: thermo-fisher-talos-l120c-g2-2022; bruker-d8-advance-family

Control workstation (control_workstation)

Record the configured computer workstation dispatched as part of the apparatus. Exclude general office computers not supplied with the product.

• Selected flow: Instrument control workstation
• Flow property / unit: Mass / kg
• Amount rule: measured dispatched mass of the configured control workstation
• Value mode: Foreground record (foreground_record)
• Specificity: Product-specific (product_specific)
• Normalization basis: per one accepted apparatus
• Basis kind: Reference flow (reference_flow)
• Evidence kind: Collected record (collected_record)
• Collection protocol: cp_component_bom
• Sources: thermo-fisher-talos-l120c-g2-2022; bruker-d8-advance-family

Fabricated steel instrument enclosure (steel_enclosure)

Record the installed safety and stability enclosure as one fabricated steel product input. If another material dominates, add the actual material-specific enclosure as a separate dataset exchange and do not relabel this row.

• Selected flow: Fabricated steel instrument enclosure
• Flow property / unit: Mass / kg
• Amount rule: measured installed mass of the fabricated steel enclosure
• Value mode: Foreground record (foreground_record)
• Specificity: Product-specific (product_specific)
• Normalization basis: per one accepted apparatus
• Basis kind: Reference flow (reference_flow)
• Evidence kind: Collected record (collected_record)
• Collection protocol: cp_component_bom
• Sources: thermo-fisher-talos-l120c-g2-2022; bruker-d8-advance-family

Integration electricity (integration_electricity)

Record electrical energy consumed by component integration and final mechanical/electrical assembly before acceptance testing. Exclude acceptance-test electricity recorded separately.

• Selected flow: Electricity 890a70b7-b677-4e2a-8a1b-7d017e0a10ae
• Flow property / unit: Net calorific value / MJ
• Amount rule: work-order electricity meter reading converted from kWh to MJ
• Value mode: Calculated value (calculated_value)
• Specificity: Site-specific (site_specific)
• Normalization basis: per one accepted apparatus
• Basis kind: Reference flow (reference_flow)
• Evidence kind: Calculated from collection (calculated_from_collection)
• Collection protocol: cp_factory_electricity
• Sources:

Waste flows

Elementary flows

Outputs

Product flows

Waste flows

Elementary flows

Process: Precision cleaning before final closure (precision_cleaning)

Inputs

Product flows

Precision-cleaning process water (precision_cleaning_water)

Record process water supplied to aqueous precision cleaning when that operation occurs on-site. Upstream supplier water and customer-site cooling water are outside this row.

• Selected flow: Process Water 94a04f7e-2d5c-41f0-b182-d54a3b373a02
• Flow property / unit: Mass / kg
• Amount rule: measured process-water mass supplied to in-scope precision cleaning
• Value mode: Foreground record (foreground_record)
• Specificity: Site-specific (site_specific)
• Normalization basis: per one accepted apparatus
• Basis kind: Reference flow (reference_flow)
• Evidence kind: Collected record (collected_record)
• Collection protocol: cp_precision_cleaning
• Sources:

Waste flows

Elementary flows

Outputs

Product flows

Waste flows

Precision-cleaning wastewater (precision_cleaning_wastewater)

Record non-hazardous wastewater discharged from in-scope aqueous cleaning. If testing shows it is hazardous, replace this row with the exact classified waste flow.

• Selected flow: Non-hazardous instrument-cleaning wastewater
• Flow property / unit: Mass / kg
• Amount rule: measured discharged mass from the in-scope precision-cleaning operation
• Value mode: Foreground record (foreground_record)
• Specificity: Site-specific (site_specific)
• Normalization basis: per one accepted apparatus
• Basis kind: Reference flow (reference_flow)
• Evidence kind: Collected record (collected_record)
• Collection protocol: cp_precision_cleaning
• Sources:

Elementary flows

Process: Final assembly, acceptance testing, calibration, and dispatch packaging (final_acceptance_packaging)

Inputs

Product flows

Acceptance-test electricity (acceptance_test_electricity)

Record electrical energy used to evacuate, energize, stabilize, calibrate, and perform factory acceptance tests. Exclude electricity already assigned to integration.

• Selected flow: Electricity 890a70b7-b677-4e2a-8a1b-7d017e0a10ae
• Flow property / unit: Net calorific value / MJ
• Amount rule: acceptance-test meter reading converted from kWh to MJ
• Value mode: Calculated value (calculated_value)
• Specificity: Product-specific (product_specific)
• Normalization basis: per one accepted apparatus
• Basis kind: Reference flow (reference_flow)
• Evidence kind: Calculated from collection (calculated_from_collection)
• Collection protocol: cp_factory_electricity
• Sources: bruker-d8-advance-family

EURO wooden pallet (wooden_pallet)

Record the EURO-format wooden pallet only when it is dispatched with the product. Apply a reuse count only for a controlled reusable-pallet pool.

• Selected flow: Wooden pallet (EURO) 96b2b9ac-cfb6-46bf-8ad1-c056e338950a
• Flow property / unit: Mass / kg
• Amount rule: measured pallet mass divided by documented reuse count; otherwise full pallet mass
• Value mode: Calculated value (calculated_value)
• Specificity: Product-specific (product_specific)
• Normalization basis: per one dispatched apparatus
• Basis kind: Reference flow (reference_flow)
• Evidence kind: Calculated from collection (calculated_from_collection)
• Collection protocol: cp_dispatch_packaging
• Sources:

Polyethylene protective foam (polyethylene_foam)

Record polyethylene foam remaining with the dispatched apparatus as one packaging input. Add other protective materials as separate material-specific exchanges.

• Selected flow: Polyethylene foam protective packaging
• Flow property / unit: Mass / kg
• Amount rule: measured dispatched mass of polyethylene protective foam
• Value mode: Foreground record (foreground_record)
• Specificity: Product-specific (product_specific)
• Normalization basis: per one dispatched apparatus
• Basis kind: Reference flow (reference_flow)
• Evidence kind: Collected record (collected_record)
• Collection protocol: cp_dispatch_packaging
• Sources:

Waste flows

Elementary flows

Outputs

Product flows

Accepted reference apparatus (reference_product_output)

Record only apparatus that pass the declared factory acceptance test. The quantity is the verified net product mass of one complete configured apparatus.

• Selected flow: Microscopes (except optical microscopes) and diffraction apparatus dd0f6b31-a7ef-48f9-b3aa-b4bfe44ec36d
• Flow property / unit: Mass / kg
• Amount rule: verified net mass of one accepted apparatus, excluding dispatch packaging and separately supplied spares
• Value mode: Calculated value (calculated_value)
• Specificity: Product-specific (product_specific)
• Normalization basis: one complete accepted apparatus
• Basis kind: Reference flow (reference_flow)
• Evidence kind: Calculated from collection (calculated_from_collection)
• Collection protocol: cp_product_mass_acceptance
• Sources: un-cpc-3-0-structure-2025; thermo-fisher-talos-l120c-g2-2022; bruker-d8-advance-family

Waste flows

Elementary flows

7. Allocation and Co-product Handling

rule_id	Applies to	Rule	source_ids
alloc_subdivision	Work-order-specific component, cleaning, assembly, testing, and packaging records	Prefer subdivision and direct work-order measurement. Assign materials and utilities to the serial-numbered apparatus or homogeneous batch that consumed them.
alloc_shared_utility	Shared factory utilities and services	When direct measurement is unavailable, use a documented causal driver such as equipment operating time, metered sub-area load, or process time. Use floor area only for genuinely space-driven loads.
alloc_rework	Rework and failed acceptance tests	Assign rework materials, utilities, and treatment outputs to accepted apparatus from the same batch; do not create an avoided-product credit for an internal reject.
alloc_recycling	Recycled material or reusable packaging	Report recycled-content and recycling assumptions separately. Do not subtract an unverified recycling credit; divide reusable packaging only by a documented reuse count.

8. Foreground Data Collection, Calculation, and Quality Rules

Data Collection Protocols

protocol_id	process_id	flow_role	record_type	raw_fields	collection_method	unit	frequency	temporal_coverage	site_scope	aggregation_rule	quality_evidence
cp_component_bom	component_integration	Installed component and subassembly mass	As-built BOM and supplier mass record	serial/model; configuration; part_number; flow_role; quantity; unit_mass_kg; installed_mass_kg; supplier; upstream_dataset_id	Reconcile the released as-built BOM to supplier specifications or verified weighing	kg	Each accepted apparatus or homogeneous configuration batch	Same production period as the dataset	All manufacturing sites in scope	Sum quantity × verified unit mass by row_id; exclude parts included within another purchased subassembly	Released BOM revision, configuration record, supplier specification or calibrated scale record, reconciliation sign-off
cp_factory_electricity	component_integration; final_acceptance_packaging	Integration and acceptance-test electricity	Submeter or work-order energy log	meter_id; opening_kWh; closing_kWh; timestamps; process_state; apparatus_serial; shared_load_driver; excluded_loads	Read dedicated meters or allocate a validated submeter total using a causal driver	kWh	Each work order or test campaign	Representative consecutive production period, normally at least 12 months for annual datasets	Each manufacturing site	Net kWh by process and accepted apparatus, then convert to MJ; keep the two electricity rows separate	Meter calibration, interval data, work-order timestamps, allocation worksheet, completeness reconciliation
cp_precision_cleaning	precision_cleaning	Process water and wastewater	Water meter, batch record, and discharge record	operation_id; apparatus_serial; water_mass_kg_or_volume; temperature; density_factor; wastewater_mass_kg_or_volume; retained_water_kg; evaporation_kg; waste_classification	Meter input and discharge separately or document a closed mass-balance calculation	kg	Each cleaning batch	Same production period as the dataset	Each site performing aqueous precision cleaning	Allocate batch totals by recorded batch membership; convert volume to mass with documented density	Meter calibration, batch traveler, discharge classification, mass-balance reconciliation
cp_dispatch_packaging	final_acceptance_packaging	Dispatched pallet and protective foam	Packaging BOM and packing record	apparatus_serial; packaging_part_number; material; quantity; unit_mass_kg; dispatched_mass_kg; reuse_count	Weigh or use verified supplier unit masses and reconcile to the packing list	kg	Each dispatched configuration or homogeneous packaging design	Current packaging design during the dataset period	Each dispatch site	Sum dispatched mass by material-specific row; divide pallet mass only by documented reuse count	Released packaging drawing/BOM, supplier mass specification, packing record, reuse-pool log
cp_product_mass_acceptance	final_acceptance_packaging	Reference product output and acceptance status	Final weighing/BOM record and factory acceptance report	apparatus_serial; model; configuration; gross_mass_kg; packaging_mass_kg; spare_mass_kg; net_product_mass_kg; acceptance_test_id; acceptance_result	Verify net apparatus mass and link it to a passed acceptance-test record	kg	Every accepted apparatus or verified homogeneous model configuration	Same production period as the dataset	Each manufacturing site	Net mass = gross mass - dispatch packaging - separately supplied spares; include only accepted units	Calibrated scale or reconciled as-built BOM, signed acceptance report, serial-number traceability

Calculation Rules

rule_id	Applies to	Formula or rule	Inputs	Output	source_ids
calc_component_mass	Component and subassembly rows	installed_mass_kg = quantity × verified unit_mass_kg; sum only identical flow identities and disclose nested components	cp_component_bom records	kg per accepted apparatus by row_id
calc_electricity_mj	integration_electricity; acceptance_test_electricity	electricity_MJ = net_kWh × 3.6	cp_factory_electricity net kWh	MJ per accepted apparatus
calc_cleaning_balance	precision_cleaning_water; precision_cleaning_wastewater	water_input_kg = wastewater_output_kg + retained_water_kg + evaporation_kg + measured_other_outputs; investigate and disclose residual	cp_precision_cleaning records	Reconciled kg per accepted apparatus
calc_packaging_mass	wooden_pallet; polyethylene_foam	packaging_mass_kg = quantity × unit_mass_kg; divide reusable pallet mass only by documented completed uses	cp_dispatch_packaging records	kg per dispatched apparatus
calc_reference_product_mass	reference_product_output	net_product_mass_kg = gross_mass_kg - dispatch_packaging_mass_kg - separately_supplied_spares_mass_kg	cp_product_mass_acceptance records	kg of accepted apparatus

Data Quality Requirements

requirement_id	Applies to	Requirement	Evidence
dq_identity	Reference product and route-specific rows	Product family, model, serial/configuration, source, detector, vacuum/cooling configuration, and acceptance criteria must be unambiguous and mutually consistent.	Released configuration and factory acceptance report
dq_bom_completeness	Purchased components and packaging	Reconcile as-built and packaging BOMs to the reference product; disclose mass lacking upstream datasets and prevent double counting of nested subassemblies.	BOM reconciliation and upstream dataset crosswalk
dq_metering	Electricity and water	Use calibrated meters or documented allocation from calibrated totals; retain raw readings, timestamps, and conversion factors.	Calibration records and signed allocation worksheet
dq_temporal	All foreground records	Use records from the declared period and identify design, supplier, process, or packaging changes that make older records non-representative.	Coverage table and change-control log
dq_conditional_routes	Conditional component, cleaning, and packaging rows	State whether every conditional row applies. A zero quantity without an applicability decision is incomplete.	Configuration record, process traveler, and packing record
dq_source_traceability	External source use	Preserve stable source ids and show which identity, architecture, boundary, or quality decision each source supports; do not treat examples as ranges.	Source cross-reference review

9. Validation Rules

rule_id	Applies to	Rule	source_ids
val_reference_identity	Reference flow	Confirm the Tiangong reference product UUID, Mass property, kg unit, CPC 48261 identity, and net mass of exactly one accepted apparatus.	un-cpc-3-0-structure-2025
val_bilingual_qualifiers	Product metadata	Confirm all required qualifiers are populated and consistent with the declared electron-microscope or diffraction-apparatus route.	thermo-fisher-talos-l120c-g2-2022; bruker-d8-advance-family
val_inventory_atomicity	Process inventory	Confirm each exchange is one concrete product, waste, or energy flow; reject combined utilities, component collections, packaging collections, and generic waste groupings.
val_route_exclusivity	electron_optical_column; xray_source_assembly	Do not assign mutually exclusive route components together unless the delivered apparatus demonstrably contains both functions and the product description explains them.
val_electricity_separation	Electricity rows	Confirm non-overlapping meter intervals or an auditable split of one total and conversion from kWh to MJ.
val_cleaning_balance	Conditional precision cleaning	Reconcile water input to wastewater, retained water, evaporation, and other measured outputs; classify hazardous wastewater with a different exact flow.
val_mass_and_packaging	Reference product and packaging	Confirm reference product mass excludes pallet, foam, and separately supplied spares, while all dispatched packaging is reported as separate atomic exchanges.
val_unresolved_uuid	UUID-empty rows	Keep UUID empty and manifest unresolved record present until a public state-100 candidate passes semantic, classification, state, property, and unit review.

10. Published Dataset Profile

Field	Value
dataset_role	secondary_dataset or background_dataset derived from verified foreground manufacturing records
downstream_use	Cradle-to-gate modelling for a declared non-optical microscope or diffraction apparatus; link separately modelled downstream stages when needed
allowed_use	Comparisons and supply-chain models with compatible family, configuration, performance, geography, period, boundary, and data quality
excluded_use	Optical microscopes; separately supplied parts; an average of mutually exclusive routes; use-stage or cradle-to-grave claims without downstream inventories
required_metadata	PCR id/version; product UUID; family/model/configuration; net mass; source and detector configuration; vacuum/cooling configuration; acceptance criteria; sites; period; allocation; packaging; geography; upstream dataset versions; data gaps
required_quality_disclosure	BOM and packaging coverage; metering coverage; conditional-row applicability; allocation shares; water balance; acceptance-test evidence; source crosswalk; unresolved UUIDs and range needs
update_trigger	Product redesign; new route; material or detector/source change; supplier/site change; altered test cycle; packaging redesign; changed energy/water mix; improved UUID/range evidence; elapsed representativeness period

11. Data Sources

Source id	Type	Reference	Used for
un-cpc-3-0-structure-2025	Official guidance (official_guidance)	United Nations Statistics Division, CPC Version 3.0 Structure, 30 June 2025, https://unstats.un.org/unsd/classifications/Econ/Download/In%20Text/CPC_Ver_3.0_Structure_30Jun2025.csv	CPC 48261 identity and separation from optical microscopes and separately classified parts/accessories
china-mof-2021-tariff-annex	Official guidance (official_guidance)	State Council Tariff Commission / Ministry of Finance of China, 2021 Tariff Adjustment Plan Annex 1, https://gss.mof.gov.cn/gzdt/zhengcefabu/202012/P020201223606577665704.pdf	Professional Chinese terminology and complete-product versus parts distinction for tariff items 90121000/90129000
thermo-fisher-talos-l120c-g2-2022	Handbook (handbook)	Thermo Fisher Scientific, Talos L120C G2 (S)TEM brochure, BR0157-EN-11-2022, https://documents.thermofisher.com/TFS-Assets/MSD/brochures/talos-120c-g2-stem-br0157.pdf	Electron-microscope architecture, electron source, accelerator, vacuum pump, detectors, enclosure, configuration, and performance qualifiers
thermo-fisher-electron-microscope-sustainable-design	Handbook (handbook)	Thermo Fisher Scientific, Electron Microscopes - Sustainable Design, https://www.thermofisher.com/us/en/home/electron-microscopy/manufacturing-sustainability/product-sustainability.html	Lifecycle-stage disclosure and separation of manufacturing, shipping, operation, take-back, and end-of-life considerations
bruker-d8-advance-family	Handbook (handbook)	Bruker, D8 ADVANCE Family product page, https://www.bruker.com/en/products-and-solutions/diffractometers-and-x-ray-microscopes/x-ray-diffractometers/d8-advance-family.html	Diffraction-apparatus architecture, enclosure, X-ray tube, optics, sample stage, detector, cooling configuration, and factory performance verification