{"meta":{"companyCount":69,"grain":"Company × curated supply-chain role; separately linked company-disclosed numeric supply fact where available","coverage":"69 source-validated companies across 12 semiconductor supply-chain categories","publishedAt":"2026-08-22","retrievedAt":"2026-08-22","integrity":{"companies":69,"categories":12,"companiesWithNumericSupplyFacts":5,"reportedSupplyFacts":3,"announcedTargetFacts":2,"companiesWithoutNumericSupplyFacts":64},"returnedCompanies":69,"filters":{"query":null,"layer":null,"category":null,"status":null}},"categories":[{"id":"wafer-substrates","label":"Wafer substrates","layer":"materials","description":"Prime, epitaxial, SOI, SiC, GaN, and other engineered semiconductor wafers."},{"id":"electronic-gases-chemicals","label":"Electronic gases & chemicals","layer":"materials","description":"Bulk and specialty gases, deposition and etch precursors, wet chemicals, filtration, and purification."},{"id":"photoresist-patterning-materials","label":"Photoresist & patterning materials","layer":"materials","description":"Photoresists, developers, anti-reflective coatings, CMP materials, and adjacent process chemistries."},{"id":"photomasks-mask-blanks","label":"Photomasks & mask blanks","layer":"components","description":"Photomasks, reticles, mask blanks, and mask-process services for semiconductor patterning."},{"id":"package-substrates-materials","label":"Package substrates & materials","layer":"components","description":"IC package substrates, build-up films, leadframes, glass and ceramic substrates, and encapsulation materials."},{"id":"lithography","label":"Lithography","layer":"equipment","description":"EUV, DUV, i-line, nanoimprint, and adjacent patterning systems."},{"id":"deposition-growth","label":"Deposition & epitaxial growth","layer":"equipment","description":"CVD, PVD, ALD, epitaxy, oxidation, diffusion, and furnace systems."},{"id":"etch-clean-cmp","label":"Etch, clean & CMP","layer":"equipment","description":"Dry and wet etch, wafer cleaning, resist processing, and chemical-mechanical planarization."},{"id":"metrology-inspection","label":"Metrology & inspection","layer":"equipment","description":"Defect inspection, process control, mask inspection, overlay, critical-dimension, and materials metrology."},{"id":"ion-implantation","label":"Ion implantation","layer":"equipment","description":"High-current, medium-current, high-energy, and specialty ion implantation systems."},{"id":"test-assembly-equipment","label":"Test & assembly equipment","layer":"equipment","description":"ATE, handlers, probers, dicing, bonding, molding, singulation, and advanced-packaging equipment."},{"id":"outsourced-packaging-test","label":"Outsourced packaging & test","layer":"manufacturing-services","description":"Commercial wafer probe, assembly, advanced packaging, burn-in, and final-test services."}],"companies":[{"id":"shin-etsu-handotai","name":"Shin-Etsu Handotai","shortName":"SEH","headquarters":"Japan","layer":"materials","categories":["wafer-substrates"],"offerings":["semiconductor silicon wafers","300 mm wafers","epitaxial wafers"],"roleSummary":"Silicon-wafer supplier covering polished and epitaxial products for semiconductor fabrication.","website":"https://www.seh.com/","numericSupplyStatus":"not-disclosed","numericSupplyGapReason":"The controlling official source establishes the company portfolio but does not publish a comparable product-line production, shipment, or capacity quantity. 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