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英伟达Rubin热告急,南京“钻石散热”黑马藏不住了

  • 2026-06-24 15:10:09
英伟达Rubin热告急,南京“钻石散热”黑马藏不住了

小城大厂

关注中国制造业的代表性企业与企业家

小城大:瑞为新材

用钻石边角料给芯片降温,他让成本降到别人的三成

一块金刚石边角料,价格不到同体积铜的十分之一,导热能力却是铜的五倍。王长瑞赌的就是这件事。用钻石的废料,解决芯片的发烧难题那时没人相信这事能干成


第一场豪赌

王长瑞从中国电科14所走出来的时候,哈工大博士和南航教授的光环并没有帮他解决任何实际问题。那是在2021年底。他窝在南航国际创新港的孵化器里,创办了瑞为新材,第一年产值只有200万

他选的赛道在当时冷门得近乎荒诞。用金刚石铜复合材料来做芯片散热,这个方向的难点在于金刚石和金属天生"不对付"。两者结合面的热阻巨大,全世界做了几十年都没搞定

王长瑞在14所做了多年雷达热管理研究,比谁都清楚这有多难。他的团队来自哈工大和清华,在热管理领域有十几年的积累。但在创业初期,这都换不来一张订单。

金刚石散热这个方向,他在博士期间就开始关注。2008年,他了解到国内缺乏高效散热芯片的自主制造技术,那时就埋下了种子。

南京六合区却给了这家初创企业8000平方米的标准厂房和办公区。一个区政府愿意为一个尚未量产的技术方案押注,本身就是态度。六合区还设立了总规模10亿元的科创产业基金,专门为早期硬科技项目兜底。


暗处的突破

转机其实早在公司成立之前就发生了,2017年的时候,王长瑞团队突破了界面实时调控技术,解决了金刚石与金属界面结合的难题。成本做到了同类进口产品的30%,一个足以改变行业格局的价格

但技术突破不等于商业成功,从实验室到产线,中间隔着无数个"能不能稳定"的问题。他用三年把技术从论文变成了产品,又用两年把产能从手工样件推到了规模量产。团队从几个人扩展到几十人,厂房从孵化器搬进了航空航天产业园。

这个赛道在2025年之前几乎被忽视,全球金刚石散热市场规模仅0.5亿美元,国产化率不到10%。日韩和美国企业在高端热沉材料领域占据绝对主导。中国每年进口芯片散热材料的金额高达数十亿元,这个缺口就是机会。

王长瑞带着团队在没有人的地方里独自凿路

他后来回忆说,所有东西都没有参考,只能自己去看、去悟、去闯。经历了三代技术革新后,公司独创了金属与金刚石表面异质润湿工艺。这项工艺让金刚石和金属在界面处真正"长"在了一起。

热阻降到了理论极限附近,中国电科和航天科工的订单,就是在这个阶段陆续拿到的。这些军工客户对可靠性要求极高,能通过认证本身就意味着技术底牌够硬。

而南航国际创新港一期和航空航天产业园将陆续建成。103个产业化项目在这片土地上落地,瑞为新材是最早入驻的企业之一


风口的馈赠

2026年初,英伟达官宣下一代VeraRubin架构GPU将采用金刚石铜复合散热方案。随后台积电、华为也先后展开相关技术合作。郑州超算中心此前完成了全球首次规模化部署,芯片性能提升10%,温度下降5℃。业内将2026年定义为金刚石散热商业化元年

全球市场规模预计从0.5亿美元飙升至152亿美元。中国金刚石铜复合材料市场在2026年预计达到67.5亿元。这家初创公司恰好站在了这个爆发的起点上。

四轮融资,君联资本、毅达资本、中车转型基金先后入局,估值逼近10亿元

它入选了国家级专精特新"小巨人"企业和省级潜在独角兽。产品已进入中国电科、航天科工等军工央企供应链,用在了雷达和通信设备上。

更早布局的5G射频和新能源汽车客户也在放量,一家成立不到五年的公司做到了这一点,速度本身就很说明问题。

从实验室的样品到军工规模化采购,这条路中国很多材料公司走了十几年还没走通,瑞为新材只用了四年。

但前路并不平坦,上游金刚石基材、中游CVD热沉片、下游复合散热模组,各路玩家都在扩产。沃尔德、四方达等上市公司也在加码布局。

英伟达把金刚石散热变成了显学,意味着竞争从"有没有"变成了"好不好"。一场围绕热管理材料的竞赛,正在全球范围内展开。中国的材料公司第一次在这个新兴赛道上站到了起跑线附近。

王长瑞要做的不只是守住技术优势,还要在供应链尚未成熟的生态中建起规模壁垒。团队正在扩建智能一体化生产线,目标是让成本进一步下降。

这场关于钻石的赌局,才刚刚翻到第二页。


数据来源: 新华日报、网易新闻、企查查、投资界、雪球、东方财富网、百度百科、南京六合区政府

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小城大厂|国内科技龙头纪实
小城大势|区域产业趋势研判

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  1. CONNECT:[ UseTime:0.000859s ] mysql:host=127.0.0.1;port=3306;dbname=b460;charset=utf8mb4
  2. SHOW FULL COLUMNS FROM `fenlei` [ RunTime:0.001227s ]
  3. SELECT * FROM `fenlei` WHERE `fid` = 0 [ RunTime:0.000368s ]
  4. SELECT * FROM `fenlei` WHERE `fid` = 63 [ RunTime:0.000265s ]
  5. SHOW FULL COLUMNS FROM `set` [ RunTime:0.000521s ]
  6. SELECT * FROM `set` [ RunTime:0.000207s ]
  7. SHOW FULL COLUMNS FROM `article` [ RunTime:0.000533s ]
  8. SELECT * FROM `article` WHERE `id` = 588461 LIMIT 1 [ RunTime:0.000424s ]
  9. UPDATE `article` SET `lasttime` = 1782427258 WHERE `id` = 588461 [ RunTime:0.000761s ]
  10. SELECT * FROM `fenlei` WHERE `id` = 65 LIMIT 1 [ RunTime:0.000224s ]
  11. SELECT * FROM `article` WHERE `id` < 588461 ORDER BY `id` DESC LIMIT 1 [ RunTime:0.004656s ]
  12. SELECT * FROM `article` WHERE `id` > 588461 ORDER BY `id` ASC LIMIT 1 [ RunTime:0.000730s ]
  13. SELECT * FROM `article` WHERE `id` < 588461 ORDER BY `id` DESC LIMIT 10 [ RunTime:0.007008s ]
  14. SELECT * FROM `article` WHERE `id` < 588461 ORDER BY `id` DESC LIMIT 10,10 [ RunTime:0.006246s ]
  15. SELECT * FROM `article` WHERE `id` < 588461 ORDER BY `id` DESC LIMIT 20,10 [ RunTime:0.007159s ]
0.135553s