公众号记得加星标⭐️，第一时间看推送不会错过。 电子和半导体行业是全氟和多氟烷基物质（PFAS，又称"永久化学品"）的主要消费领域。 PFAS在环境中具有持久性，并可能生物累积至对生态和人类有害的毒性水平。 计算机设计师有机会减少半导体和电子制造（包括集成电路、电池、显示器等）中 PFAS 的使用—— 仅在欧洲，这些领域目前占PFAS氟聚合物总使用量的10%。本文提出一个框架： 我们发现，优化设计以减少后端金属堆叠层数可使脉动阵列中的含PFAS层减少1.7倍。 引言 计算系统的环境影响不仅限于碳足迹和水消耗。半导体和电子制造过程中使用的化学物质和材料对环 境和人类健康的影响，需要计算机设计师和工程师立即关注。全氟和多氟烷基物质（PFAS）——又 称"永久化学品"——包含全球工业制造中使用的16,000多种化学物质的合成化合物，含有一个或多个 全氟化甲基（三个碳-氟键）或乙烯基（两个碳-氟键）碳原子。由于其生物累积性、人体毒性和环境 影响，PFAS已受到全球公众、科学和监管机构的广泛关注。在电子和半导体行业中，PFAS广泛用于 制造计算集成电路、显示器、电池、数据中心热管理冷却液等。随着电子和计算芯片的普及，电 ...

Group 1 - The core index, the CSI Electronic 50 Index, has seen a recent decline of 1.75%, closing at 3884.65 points, with a trading volume of 46.189 billion yuan [1] - Over the past month, the CSI Electronic 50 Index has increased by 11.16%, while it has decreased by 7.54% over the last three months and 3.76% year-to-date [1] - The index comprises the 50 largest listed companies in the electronic and semiconductor sectors, reflecting the overall performance of the electronic sector [1] Group 2 - The top ten weighted stocks in the CSI Electronic 50 Index include: SMIC (6.48%), Luxshare Precision (6.17%), Cambricon (5.55%), BOE Technology Group (5.42%), Northern Huachuang (5.34%), Haiguang Information (5.08%), Will Semiconductor (4.23%), Hikvision (4.02%), Zhongke Shuguang (3.58%), and Lattice Semiconductor (3.33%) [1] - The market capitalization distribution of the CSI Electronic 50 Index shows that the Shanghai Stock Exchange accounts for 53.35%, while the Shenzhen Stock Exchange accounts for 46.65% [1] Group 3 - The CSI Electronic 50 Index is composed entirely of companies in the information technology sector, with a 100% allocation [2] - The index samples are adjusted biannually, with adjustments occurring on the next trading day after the second Friday of June and December [2] - Public funds tracking the CSI Electronic 50 include: Hua Bao Electronic ETF Link A, Hua Bao Electronic ETF Link C, Hua An CSI Electronic 50 Link A, Hua An CSI Electronic 50 Link C, Hua Bao CSI Electronic 50 ETF, and Hua An CSI Electronic 50 ETF [2]