{"slug":"isc","name":"아이에스시","name_en":"ISC","ticker":"095340.KQ","updated_at":"2026-07-12T05:24:13.008+00:00","canonical":"https://valuechain.wiki/isc","same_as":["https://finance.yahoo.com/quote/095340.KQ","https://finance.naver.com/item/main.naver?code=095340"],"citable":"밸류체인 그래프 기준 아이에스시의 직접 연결 기업은 2곳(관계 기준 공급 0·매출 2)이고, 사슬을 2차까지 넓히면 9곳에 닿는다. 링크의 근거 출처는 3건이며 그중 1차공시가 1건이다 (valuechain.wiki, 2026-07-12 기준).","citable_en":"Per the valuechain.wiki graph, ISC is directly linked to 2 companies (0 supply, 2 revenue relationships) and reaches 9 companies within two hops; the links are backed by 3 dated sources, 1 of them primary filings (as of 2026-07-12).","kicker":"코스닥 · 반도체 검사 소모품 · 실리콘러버 테스트 소켓","kicker_en":"KOSDAQ · Test consumables · Silicone-rubber test sockets","lead":"실리콘러버 방식 반도체 테스트 소켓 전문사로, 핀 방식과 구분되는 러버 컨택 기술로 삼성전자·SK하이닉스 등에 메모리·시스템반도체 검사용 소켓을 공급한다. 소켓은 검사량에 따라 마모·교체되는 소모재라, HBM·메모리 검사 물량이 늘수록 반복 수요가 커지는 구조다. 다만 삼성·SK 등 소수 대형 고객에 매출이 집중돼, 이들의 검사 투자 사이클이 실적을 좌우하는 변수다.","lead_en":"A specialist in silicone-rubber semiconductor test sockets, supplying Samsung, SK hynix and others for memory and logic test with a rubber-contact technology distinct from the pin type. Because sockets wear out and are replaced with test volume, recurring demand grows as HBM and memory testing rises. But with revenue concentrated in a few large customers like Samsung and SK, their test-investment cycles are the swing factor.","segments":{"fy":2025,"parts":[{"desc":"ISC가 세계 최초 상용화한 탄성소재 소켓 — 매출의 약 80%, 글로벌 실리콘 소켓 점유 ~90%. 메모리에서 비메모리(AI반도체·팹리스·OSAT·ASIC)로 확장하며 검사량에 연동되는 핵심 소모재.","name":"실리콘 러버 테스트 소켓"},{"desc":"스프링(포고핀) 소켓과 2019년 세계 최초 상용화한 실리콘 번인 소켓. 개발·양산·번인 테스트 전 단계를 커버해 소켓 포트폴리오를 넓힌다.","name":"포고핀·번인 소켓"},{"desc":"반도체 테스트 장비·공정에 필요한 부품을 공급하는 병행 사업 — 소켓과 함께 파는 토탈 솔루션 축.","name":"테스트솔루션 부품"}],"total":"FY2025 연결매출 1,822억원·영업이익 477억원. 실리콘 러버 소켓이 매출의 약 80%(글로벌 점유 ~90%)·포고핀/번인 소켓·테스트솔루션 부품","source":"https://dart.fss.or.kr/dsaf001/main.do?rcpNo=20260318000018"},"segments_en":{"fy":2025,"parts":[{"desc":"Elastomer sockets ISC first commercialized worldwide — ~80% of revenue and ~90% global silicone-socket share. 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Electronics","tier":1,"returns_yearly":{"2021":-9,"2022":-14.2,"2023":20.9,"2024":-26.4,"2025":212.9,"2026":77.9}}],"benefiting":[],"analysis":"실리콘러버 방식 반도체 테스트 소켓 전문사로, 핀 방식(리노공업 등)과 구분되는 러버 컨택 기술로 삼성전자·SK하이닉스 검사 공정에 소모재를 공급한다. 소켓이 검사량에 따라 마모·교체되는 소모재라 HBM·메모리 검사 물량 증가가 반복 수요로 이어지는 것이 성장 논리다. 리스크는 삼성·SK 등 소수 대형 고객 집중과, 검사 투자 사이클에 실적이 출렁이는 변동성이다. 그래프상 상류 트리거는 삼성전자·SK하이닉스의 메모리·HBM 검사 물량이며, 이 노드는 그 물량의 소모재 수혜 지점이다.","analysis_en":"A silicone-rubber semiconductor test-socket specialist that supplies consumables to Samsung and SK hynix test lines with a rubber-contact technology distinct from the pin type (e.g., Leeno). Because sockets wear out and are replaced with test volume, rising HBM and memory testing feeds recurring demand — the growth logic. Risks are concentration in a few large customers (Samsung, SK) and volatility that swings with test-investment cycles. Upstream on the graph the trigger is memory/HBM test volume at Samsung and SK hynix, and this node is the consumables beneficiary of that volume.","analysis_asof":"2026-07-10"},"edges":[{"direction":"revenue","counterparty":"SK하이닉스","counterparty_slug":"sk-hynix","confidence":"high","metric":null,"note":"SK하이닉스에 실리콘러버 테스트 소켓 공급 — HBM·메모리 검사 물량 증가가 소모재 교체 수요로 직결.","note_en":"Supplies silicone-rubber test sockets to SK hynix — rising HBM/memory test volume flows directly into consumables-replacement demand.","sources":[{"stance":"confirms","publisher":"DART(금융감독원 전자공시)","publisher_en":"DART (FSS)","kind":"filing","lang":"ko","published_at":"2026-03-18","url":"https://dart.fss.or.kr/dsaf001/main.do?rcpNo=20260318000018","title":"isc 사업보고서 (DART)","title_en":"Annual business report (DART)","excerpt":"DART 사업보고서: 매출·고객·사업 내용.","excerpt_en":"DART annual report: revenue, customers and business."},{"stance":"confirms","publisher":"아이에스시","publisher_en":"ISC","kind":"ir","lang":"en","published_at":"2025-05-01","url":"https://www.isc21.co.kr","title":"ISC IR","title_en":"ISC IR","excerpt":"SK하이닉스에 테스트 소켓 공급.","excerpt_en":"Supplies test sockets to SK hynix."},{"stance":"confirms","publisher":"나무위키","publisher_en":"Namu","kind":"reference","lang":"ko","published_at":"2025-01-01","url":"https://namu.wiki/w/ISC(기업)","title":"ISC 개요","title_en":"ISC overview","excerpt":"SK하이닉스에 테스트 소켓 공급.","excerpt_en":"Supplies test sockets to SK hynix."}]},{"direction":"revenue","counterparty":"삼성전자","counterparty_slug":"samsung-electronics","confidence":"high","metric":null,"note":"삼성전자에 실리콘러버 테스트 소켓 공급 — 메모리·시스템반도체 검사의 핵심 소모재 고객.","note_en":"Supplies silicone-rubber test sockets to Samsung — a core consumables customer in memory and logic test.","sources":[{"stance":"confirms","publisher":"아이에스시","publisher_en":"ISC","kind":"ir","lang":"en","published_at":"2025-05-01","url":"https://www.isc21.co.kr","title":"ISC IR","title_en":"ISC IR","excerpt":"삼성전자에 테스트 소켓 공급.","excerpt_en":"Supplies test sockets to Samsung Electronics."},{"stance":"confirms","publisher":"나무위키","publisher_en":"Namu","kind":"reference","lang":"ko","published_at":"2025-01-01","url":"https://namu.wiki/w/ISC(기업)","title":"ISC 개요","title_en":"ISC overview","excerpt":"삼성전자에 테스트 소켓 공급.","excerpt_en":"Supplies test sockets to Samsung Electronics."}]},{"direction":"cost","counterparty":"원재료·소재 (비공개)","counterparty_slug":null,"confidence":"low","metric":{"type":"qualifier","value":null,"qualifier":"confirmed_no_disclosed_value"},"note":"테스트 소켓 제조용 원재료·소재 매입(비공개).","note_en":"Raw materials for test sockets (undisclosed).","sources":[{"stance":"confirms","publisher":"아이에스시","publisher_en":"ISC","kind":"ir","lang":"en","published_at":"2025-05-01","url":"https://www.isc21.co.kr","title":"ISC IR","title_en":"ISC IR","excerpt":"테스트 소켓 제조용 원재료·소재 매입(비공개).","excerpt_en":"Raw materials for test sockets (undisclosed)."}]},{"direction":"cost","counterparty":"설비·R&D (비공개)","counterparty_slug":null,"confidence":"low","metric":{"type":"qualifier","value":null,"qualifier":"confirmed_no_disclosed_value"},"note":"생산 설비·연구개발 투자(비공개).","note_en":"Production equipment and R&D (undisclosed).","sources":[{"stance":"confirms","publisher":"아이에스시","publisher_en":"ISC","kind":"ir","lang":"en","published_at":"2025-05-01","url":"https://www.isc21.co.kr","title":"ISC IR","title_en":"ISC IR","excerpt":"생산 설비·연구개발 투자(비공개).","excerpt_en":"Production equipment and R&D (undisclosed)."}]}]}