{"slug":"fujikura","name":"후지쿠라","name_en":"Fujikura","ticker":"5803.T","updated_at":"2026-07-12T03:24:36.716+00:00","canonical":"https://valuechain.wiki/fujikura","citable":"밸류체인 그래프 기준 후지쿠라의 직접 연결 기업은 2곳(관계 기준 공급 0·매출 2)이고, 사슬을 2차까지 넓히면 2곳에 닿는다. 링크의 근거 출처는 8건이며 그중 1차공시가 1건이다 (valuechain.wiki, 2026-07-12 기준).","citable_en":"Per the valuechain.wiki graph, Fujikura is directly linked to 2 companies (0 supply, 2 revenue relationships) and reaches 2 companies within two hops; the links are backed by 8 dated sources, 1 of them primary filings (as of 2026-07-12).","kicker":"닛케이 225 · 광통신·전선 (AI 데이터센터 광배선)","kicker_en":"Nikkei 225 · Optical & wire (AI-data-center cabling)","lead":"스미토모전기·후루카와와 함께 고밀도 광케이블 고급시장을 과점하는 3사 중 하나로, AI 데이터센터의 GPU 클러스터 광배선(SWR·WTC)과 융착접속기 수요가 공급을 앞지르면서 'AI 붐에 삽 파는' 위치에 올라섰다. FY2026(3월기) 정보통신 부문 하나가 매출 6,530억엔(+44.7%)·전사 영업익의 80%+를 만들며 순이익을 사상 최대 1,572억엔(+72.5%)으로 끌어올렸는데, 뒤집으면 실적이 단일 사이클에 인질로 잡혔다는 뜻이기도 하다. 수요가 캐파를 넘어 가격을 올리는 국면이라 중기계획 5,300억엔·캐파 3배 증설은 이 슈퍼사이클의 초입에 건 베팅이다.","lead_en":"One of three makers (with Sumitomo Electric and Furukawa) that oligopolize the high-end high-density optical-cable market, Fujikura has become a 'seller of shovels' as AI data centers' demand for GPU-cluster cabling (SWR, WTC) and fusion splicers outruns supply. In FY ended Mar 2026 its Information & Communication unit alone produced JPY 653.0bn of sales (+44.7%) and 80%+ of group OP, lifting net profit to a record JPY 157.2bn (+72.5%) — which, inverted, means earnings are hostage to a single cycle. With demand above capacity and prices rising, the JPY 530bn mid-term plan to triple capacity is a bet placed at the front of this supercycle.","segments":{"fy":2026,"parts":[{"desc":"AI 데이터센터 광배선·융착접속기 수요가 공급을 앞질러 매출 +44.7%·영업익 +65.7%를 내며 전사 영업익의 80%+를 홀로 책임진다 — 후지쿠라의 실적은 사실상 이 부문의 사이클 그 자체다.","name":"정보통신 (매출 6,530억엔·영업익 1,527억엔)"},{"desc":"전력케이블·초전도선. 구리 급등이 오히려 파생 평가익으로 돌아와 영업익 +58.6% — 자원가에 눌리지 않고 올라타는, 정보통신 밖 유일한 견인 부문.","name":"에너지 (1,570억엔·영업익 189억엔)"},{"desc":"와이어하니스의 구리 원가 급등을 판가로 늦게 전가해 이익 회복이 더딤. FY2027부터 전자와 통합(전자·전장)해 규모·수익성을 방어하려는 수세적 재편.","name":"자동차 (1,794억엔·영업익 68억엔)"},{"desc":"세계 top5 FPC지만 스마트폰 FPC 경쟁·태국바트 강세로 영업익 -66.5% 급감 — 성장이 광케이블로 옮겨간 지금은 호황을 상쇄하는 구조적 약체.","name":"전자 (1,723억엔·영업익 77억엔)"},{"desc":"옛 후카가와 공장부지 재개발(深川ギャザリア) 임대. 규모는 작아도 영업이익률이 가장 높은 변동성 완충 현금흐름.","name":"부동산 (110억엔·영업익 50억엔)"}],"total":"매출 1조1,824억엔(+20.7%)·영업익 1,887억엔(+39.2%)·순이익 1,572억엔(+72.5%, 사상 최대) — 증익의 거의 전부를 정보통신 한 부문이 만들었다 (2026년 3월기)","source":"Fujikura FY2026 결산단신(2026-05-14)","concentration":"정보통신(광섬유·광케이블)이 전사 영업익의 80%+를 만드는 '단일 성장축' 구조 — 강점(AI 캐펙스 슈퍼사이클에 대한 순수 레버리지)이자 약점(실적이 한 사이클에 인질). 스미토모전기·후루카와와의 3사 과점 위에서 수요가 캐파를 초과해, 중기계획 5,300억엔·미·일 캐파 3배 증설로 FY2028 매출 1.6조엔·영업익 3,150억엔을 겨눈다."},"segments_en":{"fy":2026,"parts":[{"desc":"AI-data-center cabling and fusion-splicer demand outran supply, driving sales +44.7% and OP +65.7% — 80%+ of group OP. Fujikura's earnings are effectively this segment's cycle.","name":"Information & Communication (sales JPY 653.0bn, OP JPY 152.7bn)"},{"desc":"Power cable and superconductors. Copper spikes flipped into derivative valuation gains, lifting OP +58.6% — the only engine outside Info & Comm that rides commodity prices rather than being crushed by them.","name":"Energy (JPY 157.0bn, OP JPY 18.9bn)"},{"desc":"Slow pass-through of copper cost spikes in wire harnesses keeps profit recovery muted; merging with Electronics from FY2027 is a defensive move to protect scale and margin.","name":"Automotive (JPY 179.4bn, OP JPY 6.8bn)"},{"desc":"A world top-5 FPC maker, but smartphone-FPC competition and a strong Thai baht cut OP -66.5% — with growth having shifted to optical cable, it now offsets rather than adds to the boom.","name":"Electronics (JPY 172.3bn, OP JPY 7.7bn)"},{"desc":"Leasing on the redeveloped former Fukagawa plant (Fukagawa Gathering). Small, but the highest-margin, volatility-buffering cash flow.","name":"Real Estate (JPY 11.0bn, OP JPY 5.0bn)"}],"total":"Sales JPY 1,182.4bn (+20.7%), OP JPY 188.7bn (+39.2%), net profit JPY 157.2bn (+72.5%, record) — almost all of the profit gain came from one segment (FY ended Mar 2026)","source":"Fujikura FY2026 financial results (May 14, 2026)","concentration":"A 'single growth engine' structure — Information & Communication (fiber/cable) is 80%+ of group OP, which is both the strength (pure leverage to the AI-capex supercycle) and the weakness (earnings hostage to one cycle). On a three-way oligopoly with Sumitomo Electric and Furukawa, and with demand exceeding capacity, the JPY 530bn mid-term plan triples Japan/US capacity to target JPY 1.6tn revenue and JPY 315bn OP by FY2028."},"returns_yearly":{"2021":25.7,"2022":64.5,"2023":29.2,"2024":425.4,"2025":216.9,"2026":58.6},"return_asof":"2026-07-10","value_chain":{"leading":[{"slug":"apple","name":"Apple","name_en":"Apple","tier":1,"returns_yearly":{"2021":34.6,"2022":-26.4,"2023":49,"2024":30.7,"2025":9.1,"2026":16.2}},{"slug":"nippon-telegraph-telephone","name":"Nippon Telegraph & Telephone","name_en":"Nippon Telegraph & Telephone","tier":1,"returns_yearly":{"2021":29.1,"2022":23,"2023":23.1,"2024":-15.4,"2025":5,"2026":-3.1}}],"benefiting":[],"analysis":"투자 논점은 '단일 축 레버리지'다 — 정보통신 한 부문이 전사 영업익의 80%+를 책임지며 순이익을 사상 최대(1,572억엔)로 밀어올렸고, 주가는 2024년 +425%·2025년 +217%로 AI 데이터센터 대장주가 됐다. 동력은 스미토모전기·후루카와와의 3사 과점 위에서 수요가 캐파를 초과해 가격 결정권이 공급자로 넘어온 국면이며, 그래서 5,300억엔·3배 증설이 성립한다. 리스크는 대칭적이다: 전자(-66.5%)·자동차가 구조적으로 약해 사이클 완충이 없고, 슈퍼사이클이 꺾이면 3배 캐파가 과잉설비로 되돌아온다. 그래프상 파급은 엔비디아·하이퍼스케일러 AI 캐펙스 → 광인터커넥트 → 후지쿠라(코닝과 병렬)로 흐르고, 실행 병목은 상류의 광섬유 프리폼 소재(실리카·수소)에 걸려 있다.","analysis_en":"The thesis is single-axis leverage — one segment (Information & Communication) drives 80%+ of group OP and pushed net profit to a record JPY 157.2bn, and the stock rose +425% in 2024 and +217% in 2025 as a flagship AI-data-center name. The engine is a three-way oligopoly with Sumitomo Electric and Furukawa where demand exceeds capacity and pricing power has shifted to suppliers — which is why a JPY 530bn, 3x-capacity build makes sense. The risk is symmetric: Electronics (-66.5%) and Automotive are structurally weak with no cyclical buffer, and if the supercycle breaks the tripled capacity becomes overbuild. In the graph, the ripple runs from Nvidia/hyperscaler AI capex → optical interconnect → Fujikura (parallel to Corning), while the execution bottleneck sits upstream in preform materials (silica, hydrogen).","analysis_asof":"2026-07-10"},"edges":[{"direction":"revenue","counterparty":"하이퍼스케일러·AI 데이터센터 (광케이블)","counterparty_slug":null,"confidence":"high","metric":{"type":"net_sales","unit":"JPY_bn","value":653,"period":"FY_ended_Mar2026","yoy_pct":44.7,"op_jpy_bn":152.7},"note":"AI 데이터센터가 GPU 클러스터를 늘릴수록 서버·랙 간 광배선(SWR·WTC)과 융착접속기 수요가 기하급수로 늘어, 정보통신 부문 하나가 FY2026 영업익 1,527억엔(+65.7%)·전사 영업익의 80%+를 홀로 만들었다. 수요가 캐파를 앞질러 후지쿠라가 가격을 올리는 국면이라는 게 핵심 — 즉 이 관계는 '팔 수 있으면 다 팔리는' 공급자 우위 사이클의 초입이다. CEO가 '북미 하이퍼스케일러 대부분의 주문을 받는다'면서도 고객사를 실명하지 않아 개별 상대는 익명으로 둔다.","note_en":"As AI data centers scale GPU clusters, demand for server/rack optical cabling (SWR, WTC) and fusion splicers compounds — so the Information & Communication unit alone generated FY2026 OP of JPY 152.7bn (+65.7%), over 80% of group OP. The point is that demand outran capacity and Fujikura is raising prices: this is the early, supplier-favored phase of the cycle where everything it can make, it sells. The CEO says Fujikura takes orders from 'almost all US hyperscalers' but named no client, so individual counterparties stay anonymous.","sources":[{"stance":"mentions","publisher":"MarketScreener (12인 애널 컨센서스)","publisher_en":"MarketScreener (12-analyst consensus)","kind":"research","lang":"en","published_at":"2026-07-01","url":"https://www.marketscreener.com/quote/stock/FUJIKURA-LTD-6491074/consensus/","title":"후지쿠라(5803) 애널리스트 컨센서스 — 강력매수·목표가","title_en":"Fujikura (5803) analyst consensus — Strong Buy, target price","excerpt":"Analyst consensus Strong Buy; avg 12-mo target ¥6,024.2 (12 analysts); Mizuho upgraded to Buy, SMBC Nikko raised target.","excerpt_en":"Analyst consensus Strong Buy; avg 12-mo target ¥6,024.2 (12 analysts); Mizuho upgraded to Buy, SMBC Nikko raised target."},{"stance":"mentions","publisher":"ConnectCX","publisher_en":"ConnectCX","kind":"news","lang":"en","published_at":"2026-06-01","url":"https://connectcx.ai/fujikura-leverage-ai-dc-surge-for-a-computing-breakthrough/","title":"후지쿠라, AI 데이터센터 급증 수요 활용","title_en":"Fujikura leverages AI data-centre surge","excerpt":"Global demand for high-speed optical communication to connect GPU servers is surging; Fujikura's stock rose 160% by 2025.","excerpt_en":"Surging GPU-interconnect fiber demand."},{"stance":"confirms","publisher":"알파경제","publisher_en":"Alphabiz (KR)","kind":"news","lang":"ko","published_at":"2026-05-20","url":"https://alphabiz.co.kr/news/view/1065564184131236","title":"후지쿠라, 광섬유 증산에 최대 2,600억엔 투입…데이터센터 겨냥 중기계획","title_en":"Fujikura to invest up to JPY 260bn in fiber capacity; AI data center mid-term plan","excerpt":"후지쿠라는 데이터센터 수요를 겨냥해 광섬유 증산에 최대 2,600억엔을 투입하는 중기계획을 제시했다.","excerpt_en":"Fujikura unveiled a mid-term plan to invest up to JPY 260bn in fiber capacity for data-center demand."},{"stance":"confirms","publisher":"W.Media","publisher_en":"W.Media","kind":"news","lang":"en","published_at":"2026-05-20","url":"https://w.media/fujikura-to-triple-fiber-capacity-with-%C2%A5300bn-ai-push/","title":"후지쿠라, 광섬유 캐파 3배 — 3,000억엔 AI 투자","title_en":"Fujikura to triple fiber capacity with ¥300bn AI push","excerpt":"Plans to scale up output of SWR and WTC optical cables by as much as three times current capacity in Japan and the US, spending capped at ¥300 billion.","excerpt_en":"Tripling SWR/WTC cable capacity; spend capped at ¥300bn."},{"stance":"confirms","publisher":"Fujikura (TDnet 決算短信)","publisher_en":"Fujikura (TDnet financial results)","kind":"filing","lang":"ja","published_at":"2026-05-14","url":"https://japanir.jp/wp-content/uploads/2026/05/5803-20260514-01.pdf","title":"후지쿠라 2026년 3월기 결산단신〔일본기준〕(연결)","title_en":"Fujikura FY ended Mar 2026 Financial Results (Japanese GAAP, consolidated)","excerpt":"情報通信事業部門 売上高 前年度比44.7%増の6,530億円、営業利益 65.7%増の1,527億円（生成AIデータセンタ需要）。","excerpt_en":"Information & Communication: sales +44.7% to JPY 653.0bn, OP +65.7% to JPY 152.7bn (generative-AI data center demand)."}]},{"direction":"investment","counterparty":"AI 광케이블 증설·성장투자 (중기계획 FY26~28)","counterparty_slug":null,"confidence":"high","metric":{"type":"amount","unit":"JPY_bn","value":530,"period":"mid_term_FY26_28","cable_capex_cap_jpy_bn":300},"note":"'수요가 캐파를 초과한다'는 판단 위에서 중기계획 5,300억엔(광케이블 최대 3,000억엔)으로 미·일 캐파를 최대 3배로 늘리는, 수요 선점형 선제 자본배치다. FY2028 매출 1.6조엔·영업익 3,150억엔 목표의 근거이자 양날의 검 — 슈퍼사이클이 유지되면 점유·가격을 굳히지만, 꺾이면 3배 캐파가 과잉설비로 되돌아온다. 이 증설의 속도를 실제로 제약하는 것은 앞서의 수소·소재 사슬이다.","note_en":"On the judgment that demand outstrips capacity, the FY26-28 plan deploys ~JPY 530bn (up to JPY 300bn for cable) to triple Japan/US capacity — a pre-emptive, demand-securing capital bet. It underwrites the FY2028 targets of JPY 1.6tn revenue and JPY 315bn OP and is double-edged: if the supercycle holds it locks in share and pricing, but if it breaks the 3x capacity becomes overbuild. What actually paces this expansion is the hydrogen/materials chain above.","sources":[{"stance":"mentions","publisher":"ConnectCX","publisher_en":"ConnectCX","kind":"news","lang":"en","published_at":"2026-06-01","url":"https://connectcx.ai/fujikura-leverage-ai-dc-surge-for-a-computing-breakthrough/","title":"후지쿠라, AI 데이터센터 급증 수요 활용","title_en":"Fujikura leverages AI data-centre surge","excerpt":"Fujikura leverages the AI DC surge for a computing breakthrough.","excerpt_en":"Fujikura leverages the AI DC surge for a computing breakthrough."},{"stance":"confirms","publisher":"W.Media","publisher_en":"W.Media","kind":"news","lang":"en","published_at":"2026-05-20","url":"https://w.media/fujikura-to-triple-fiber-capacity-with-%C2%A5300bn-ai-push/","title":"후지쿠라, 광섬유 캐파 3배 — 3,000억엔 AI 투자","title_en":"Fujikura to triple fiber capacity with ¥300bn AI push","excerpt":"Fujikura to triple fiber capacity with ¥300bn AI push (Japan and US).","excerpt_en":"Fujikura to triple fiber capacity with ¥300bn AI push (Japan and US)."},{"stance":"confirms","publisher":"Fujikura (TDnet 決算短信)","publisher_en":"Fujikura (TDnet financial results)","kind":"filing","lang":"ja","published_at":"2026-05-14","url":"https://japanir.jp/wp-content/uploads/2026/05/5803-20260514-01.pdf","title":"후지쿠라 2026년 3월기 결산단신〔일본기준〕(연결)","title_en":"Fujikura FY ended Mar 2026 Financial Results (Japanese GAAP, consolidated)","excerpt":"情報通信事業部門の需要増を背景に有形固定資産等が増加（設備投資拡大）。","excerpt_en":"Property, plant and equipment rose on Info & Comm demand (expanded capital investment)."}]},{"direction":"cost","counterparty":"구리·알루미늄 (전선·와이어하니스·전력케이블)","counterparty_slug":null,"confidence":"high","metric":{"qualifier":"base_metals"},"note":"구리·알루미늄은 자동차 와이어하니스·전력케이블 원가의 축이자, 같은 원자재가 부문별로 정반대로 작용하는 지점이다 — 자동차는 구리 급등분을 판가로 늦게 전가해 이익이 눌리고(영업익 68억엔), 에너지는 구리 파생 평가익까지 얹혀 이익이 되레 늘었다(+58.6%). 원자재 노출을 헤지·전가 능력이 부문 수익을 가르는 구조라, 구리 시황은 후지쿠라에 순수 악재가 아니라 부문 믹스의 문제다.","note_en":"Copper and aluminum anchor the cost of auto wire harnesses and power cables — and are where the same input cuts opposite ways by segment: Automotive absorbs copper spikes with lagging pass-through (OP JPY 6.8bn), while Energy books copper-derivative valuation gains and grew (+58.6%). Because hedging and pass-through ability decide segment profit, copper is not a pure negative for Fujikura but a question of segment mix.","sources":[{"stance":"confirms","publisher":"Fujikura (TDnet 決算短信)","publisher_en":"Fujikura (TDnet financial results)","kind":"filing","lang":"ja","published_at":"2026-05-14","url":"https://japanir.jp/wp-content/uploads/2026/05/5803-20260514-01.pdf","title":"후지쿠라 2026년 3월기 결산단신〔일본기준〕(연결)","title_en":"Fujikura FY ended Mar 2026 Financial Results (Japanese GAAP, consolidated)","excerpt":"自動車事業部門：売価転嫁できない銅価高騰影響。エネルギー事業部門：銅価高騰に起因するデリバティブ評価益。","excerpt_en":"Automotive: copper-price spikes not fully passed through; Energy: copper-related derivative valuation gains."}]},{"direction":"revenue","counterparty":"애플 (스마트폰 FPC·전자부품)","counterparty_slug":"apple","confidence":"mid","metric":{"type":"operating_income","unit":"JPY_bn","value":7.7,"period":"FY_ended_Mar2026","yoy_pct":-66.5,"qualifier":"FPC_supply"},"note":"세계 top5 FPC 제조사로 아이폰(예: 아이폰12 Pro/Max)에 플렉시블 인쇄회로를 공급해온 관계 — 그러나 성장의 무게중심이 광케이블로 옮겨가면서 이 익스포저는 축소되는 레거시다. FY2026 전자 부문 영업익이 경쟁 심화·태국바트 강세로 77억엔(-66.5%)까지 눌린 것이 그 방증으로, 애플향 FPC는 더 이상 실적을 끌지 못하고 정보통신 호황을 상쇄하는 쪽에 가깝다.","note_en":"As a world top-5 FPC maker, Fujikura has supplied flexible printed circuits for iPhones (e.g., iPhone 12 Pro/Max) — but with its center of gravity shifting to optical cable, this is a shrinking legacy exposure. FY2026 Electronics OP was squeezed to JPY 7.7bn (-66.5%) by competition and a strong Thai baht, evidence that Apple-facing FPC no longer drives earnings and now partly offsets the Info & Comm boom.","sources":[{"stance":"confirms","publisher":"Fujikura (TDnet 決算短信)","publisher_en":"Fujikura (TDnet financial results)","kind":"filing","lang":"ja","published_at":"2026-05-14","url":"https://japanir.jp/wp-content/uploads/2026/05/5803-20260514-01.pdf","title":"후지쿠라 2026년 3월기 결산단신〔일본기준〕(연결)","title_en":"Fujikura FY ended Mar 2026 Financial Results (Japanese GAAP, consolidated)","excerpt":"エレクトロニクス事業部門 営業利益 66.5%減の77億円（プリント配線板等）。","excerpt_en":"Electronics unit OP -66.5% to JPY 7.7bn (printed circuits, etc.)."},{"stance":"confirms","publisher":"Fujikura","publisher_en":"Fujikura","kind":"news","lang":"en","published_at":"2025-01-01","url":"https://www.fpcl.fujikura.com/eng/","title":"후지쿠라 프린티드서킷 — 세계 top5 FPC 제조사","title_en":"Fujikura Printed Circuits — world top-5 FPC maker","excerpt":"Fujikura Printed Circuits is a world top-5 FPC manufacturer (>100 million pieces/month).","excerpt_en":"Fujikura Printed Circuits is a world top-5 FPC manufacturer (>100 million pieces/month)."},{"stance":"confirms","publisher":"iPhone Wired","publisher_en":"iPhone Wired","kind":"news","lang":"ja","published_at":"2020-10-01","url":"https://iphonewired.com/news/12365/","title":"아이폰12 Pro/Max에 후지쿠라 FPCB 채용","title_en":"Fujikura FPCB adopted in iPhone 12 Pro/Max","excerpt":"iPhone 12 Max and iPhone 12 Pro use Fujikura's flexible printed circuit board (FPCB).","excerpt_en":"iPhone 12 Max and iPhone 12 Pro use Fujikura's flexible printed circuit board (FPCB)."}]},{"direction":"revenue","counterparty":"NTT (일본 통신 인프라·광섬유)","counterparty_slug":"nippon-telegraph-telephone","confidence":"mid","metric":{"qualifier":"supplier_and_codevelopment"},"note":"일본 통신망의 전통 광섬유·광케이블 공급자이자 공동개발 파트너 — NTT·홋카이도대와 250µm 유리경을 유지한 채 100채널+ 초고밀도 광섬유를 실현했다. 이 국내 레퍼런스가 중요한 이유는 지금 하이퍼스케일러 고밀도 케이블 수주의 기술 신뢰가 여기서 쌓였기 때문이다 — NTT향 매출 규모 자체보다, 후지쿠라가 '고밀도'에서 검증됐다는 사실이 AI 사이클의 진입권이 된다.","note_en":"A traditional optical-fiber/cable supplier and co-development partner for Japan's telecom backbone — with NTT and Hokkaido University it realized a >100-channel ultra-high-density fiber within a <250µm glass diameter. This domestic reference matters less for its own revenue than for what it proved: Fujikura's credibility in 'density' — the very qualification that now underwrites its hyperscaler high-density cable wins.","sources":[{"stance":"confirms","publisher":"Fujikura (TDnet 決算短信)","publisher_en":"Fujikura (TDnet financial results)","kind":"filing","lang":"ja","published_at":"2026-05-14","url":"https://japanir.jp/wp-content/uploads/2026/05/5803-20260514-01.pdf","title":"후지쿠라 2026년 3월기 결산단신〔일본기준〕(연결)","title_en":"Fujikura FY ended Mar 2026 Financial Results (Japanese GAAP, consolidated)","excerpt":"情報通信事業部門は光ファイバ・光ケーブル等を供給（国内通信インフラ含む）。","excerpt_en":"The Information & Communication unit supplies optical fiber and cable, including for domestic telecom infrastructure."},{"stance":"confirms","publisher":"NTT","publisher_en":"NTT","kind":"news","lang":"en","published_at":"2016-05-16","url":"https://group.ntt/en/newsrelease/2016/05/16/160516a.html","title":"NTT·후지쿠라·홋카이도대, 초고밀도 광섬유 공동개발","title_en":"NTT, Fujikura & Hokkaido Univ. — world's highest-density optical fiber","excerpt":"NTT, Fujikura and Hokkaido University realized an optical fiber with more than 100 channels within a <250µm deployable glass diameter.","excerpt_en":"NTT, Fujikura and Hokkaido University realized an optical fiber with more than 100 channels within a <250µm deployable glass diameter."}]},{"direction":"cost","counterparty":"광섬유 프리폼 소재·수소 (실리카·GeCl4)","counterparty_slug":null,"confidence":"mid","metric":{"qualifier":"preform_materials"},"note":"광섬유의 출발점인 프리폼(모재)은 고순도 실리카·사염화게르마늄에 더해 대량의 수소를 태워 만든다 — 그래서 증설의 진짜 병목은 장비가 아니라 소재 확보다. 결산단신이 '광케이블 급증산으로 수소 등 일부 원재료 조달이 제약이 될 수 있다'고 못 박은 대목이 핵심으로, 캐파 3배 계획의 실행 리스크가 바로 이 상류 소재 사슬에 걸려 있다.","note_en":"An optical fiber begins with a preform made from high-purity silica and germanium tetrachloride plus large volumes of burned hydrogen — so the real bottleneck to expansion is materials, not tools. The filing's own warning that 'a steep ramp in optical cable could constrain procurement of some raw materials such as hydrogen' is the crux: the execution risk of the 3x-capacity plan sits in this upstream materials chain.","sources":[{"stance":"confirms","publisher":"Fujikura (TDnet 決算短信)","publisher_en":"Fujikura (TDnet financial results)","kind":"filing","lang":"ja","published_at":"2026-05-14","url":"https://japanir.jp/wp-content/uploads/2026/05/5803-20260514-01.pdf","title":"후지쿠라 2026년 3월기 결산단신〔일본기준〕(연결)","title_en":"Fujikura FY ended Mar 2026 Financial Results (Japanese GAAP, consolidated)","excerpt":"情報通信事業部門において光ケーブルの急峻な増産により、水素等の一部の原材料調達が（制約となりうる）。","excerpt_en":"In Info & Comm, the steep ramp of optical cable could constrain procurement of some raw materials such as hydrogen."}]}]}