feat(schema): new [vacuum] sub-table (#156)#193
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Pure additive — new VacuumProperties dataclass for UHV detector enclosures + Geant4 vacuum modeling. Particularly relevant for PEEK, Delrin (notably bad in UHV), Viton, Kapton, all elastomers, epoxies. Fields: - outgassing_rate_1h / outgassing_rate_10h (torr·L/(s·cm²)) — sparse named pumping-time snapshots; named beats list for two values - tml_pct (%) — total mass loss, ASTM E595 / NASA SP-R-0022 - cvcm_pct (%) — collected volatile condensable material, same standard - bakeout_temp_max_C — maximum bakeout temperature before degradation - permeation_he (cm³·mm/(cm²·s·atm)) — He permeation rate - vacuum_class — "UHV" | "HV" | "rough" string hint Wires: AllProperties.vacuum, loader dispatch, child-skip whitelist, test_toml_integrity._KNOWN_GROUPS, pymat-mcp _ALL_DOMAINS. Tests: tests/test_vacuum_subtable.py (6 tests). Closes #156
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This was referenced May 6, 2026
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Pure additive — new
VacuumPropertiesdataclass for UHV detector enclosures + Geant4 vacuum modeling. Relevant for PEEK, Delrin (notably bad in UHV), Viton, Kapton, elastomers, epoxies.outgassing_rate_1houtgassing_rate_10html_pctcvcm_pctbakeout_temp_max_Cpermeation_hevacuum_classWired through
AllProperties, loader,_KNOWN_GROUPS, MCP_ALL_DOMAINS.Test plan
pytest tests/test_vacuum_subtable.py— 6 tests passtest_toml_integrityruff checkcleanCloses #156