[新聞] 日5500億鎂美國投資計畫 鎖定人造鑽生產
原文標題：
Exclusive: Japan, US eye synthetic diamond production under $550 bln
investment plan
原文連結：https://tinyurl.com/77e6k552
發布時間：January 27, 2026 2:13 PM GMT+8Updated 49 mins ago
記者署名：By Tamiyuki Kihara and Makiko Yamazaki
原文內容：
TOKYO, Jan 27 (Reuters) –
A plan to build a synthetic diamond plant in the United States is a prime
prospect in Japan's $550-billion investment package, as the allies push to
expand production of a material vital to chip and high-precision manufacturing
, sources said.
東京，1月27日（路透）－
消息人士表示，在日本規模達5,500億美元的對美投資方案中，在美國興建一座人造鑽石
工廠被視為最具代表性的項目之一。此舉反映美日兩國正積極擴大對半導體與高精密製造
至關重要材料的生產能力。
It could be among the first batch of projects, details of which Reuters is
reporting for the first time, set to be unveiled ahead of a U.S. visit by
Japanese Prime Minister Sanae Takaichi planned as early as March, the two
sources said.
兩名消息人士指出，該項目可能列入首批公布的投資計畫之中，相關細節為路透首次披露
，並可能在日本首相高市早苗最快於3月訪美前對外公布。
Both declined to be identified as the matter is private.
由於此事仍屬私下磋商階段，兩人均要求匿名。
"The United States wants to accelerate domestic production of synthetic
diamonds," one of the sources said. "By involving Japanese companies,
Washington hopes to build a U.S.–Japan supply chain that does not rely on
China."
其中一名消息人士表示：「美國希望加速本土人造鑽石的生產。透過引入日本企業，華府
希望建立一條不依賴中國的美日供應鏈。」
China's recent moves to put export controls on some artificial diamonds has
underscored the strategic importance of the material, most of which is now
produced in China.
中國近期對部分人造鑽石實施出口管制的行動，凸顯此材料的戰略重要性，而目前全球大
多數人造鑽石產量都來自中國。
The synthetic diamond project involves Element Six, a part of De Beers Group,
the world's leading diamond company, the source added.
該人造鑽石項目將涉及 Element Six 公司，該公司隸屬於全球最大鑽石集團戴比爾斯（
De Beers），消息人士補充說。
The news comes as Japan accelerates efforts to finalise projects under the
initiative agreed as part of Tokyo's deal with Washington to lower tariffs on
Japanese exports.
此消息傳出之際，日本正加快敲定一系列投資項目，這些項目是東京與華府就降低日本出
口關稅所達成協議的一部分。
Its investment package would include equity, loans and loan guarantees from
state-owned agencies Japan Bank for International Cooperation (JBIC) and
Nippon Export and Investment Insurance (NEXI).
這項投資方案將包含來自日本國際協力銀行（JBIC）與日本貿易保險公司（NEXI）的股權
投資、貸款與貸款保證。
At the same time, President Donald Trump is raising tariffs on South Korea,
which it accuses of dragging its feet on adopting a similar agreement reached
last year.
同時，唐納德·川普總統正提高對韓國的關稅，並指控韓國在落實去年達成的類似協議上
行動遲緩。
Also likely to figure in the first batch of projects is a large-scale power-
generation project, involving Japanese industrial conglomerate Hitachi Ltd,
the sources said.
消息人士指出，首批項目中還可能包括一個大型發電計畫，由日本工業巨頭日立公司參與
。
The deal value of the projects was not immediately known.
這些項目的總交易金額目前尚未確定。
Japan's trade ministry declined to comment on the projects under discussion,
saying it was in talks with the United States to swiftly put together the
project pipeline, but nothing had been decided.
日本經濟產業省拒絕對討論中的項目發表評論，僅表示正與美國磋商以儘快建立項目清單
，但尚未做出最終決定。
Hitachi said it was engaged in discussions with the Japanese and U.S.
governments, but declined further comment.
日立表示，確實正與日本與美國政府進行討論，但拒絕進一步評論。
De Beers Group, the U.S. commerce department and its Japan embassy did not
immediately respond to a request for comment outside business hours.
戴比爾斯集團、美國商務部及其駐日使館在非上班時間內未立即回應置評請求。
A major infrastructure project involving construction of a data centre linked
to SoftBank Group also remains a finalist, Reuters reported this month.
路透本月稍早報導，另一個進入最後名單的大型基礎建設項目，是與軟銀集團相關的資料
中心建設計畫。
One of the hardest known materials, diamond is crucial to high-precision
manufacturing.
鑽石是已知最堅硬的材料之一，對高精密製造至關重要。
It is used for ultra-fine polishing of semiconductors, machining hard metals
and ceramics in quantum devices, and dissipating heat in advanced electronic
systems.
它被用於半導體的超精細拋光、量子設備中硬金屬與陶瓷的加工，以及先進電子系統的散
熱。
Artificial diamonds also have dual-use military applications, in turning out
munitions and radar components.
人造鑽石同時具有軍民兩用價值，可用於製造彈藥及雷達零組件。
心得/評論：
人造鑽在先進工業的用途
半導體拋光、雷達零件、彈藥加工、散熱基板、量子設備等等
中國約佔全球產量 80%～90%以上
部份精密用途甚至市佔高達 90～95%
所以
美國日本戴比爾斯體系
要共同打造一條不經中國的人造鑽戰略供應鏈
以支撐半導體、AI、軍工與量子科技的長期安全
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