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18 小时
用胶带“撕”出超薄金刚石膜
研究人员首先使用微波等离子体化学气相沉积(CVD)在硅衬底上生长金刚石膜,然后将胶带粘在金刚石顶部表面并沿界面剥离,这样可以将完整的2英寸金刚石膜剥离并保持其结构完整性。
人民资讯 on MSN
9 小时
记者走一线手记| 一粒沙和一束光的传奇
为什么光伏企业不能进军芯片行业?今年,在对上海几家集成电路产业链企业的采访中,我找到了答案把石英砂提炼成冶金用的硅、光伏级别的晶硅、集成电路级别的硅,三者精度根本不是一个量级。
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今日热点
Trump endorses Johnson
Remains ID'd after 30+ yrs
Commutes death sentences
Lego display collapses
Final payout for victims
'Star Wars' actor dies
NHL fines Stars $100K
Reach divorce settlement
New suspects in '96 case
Signs deal with Ukraine
Bowser meets with Trump
Pending home sales rise
Cold case killer identified
DC US attorney to resign
9/11 plea deals can proceed
Lenny Randle dies
Appoints new prison leader
Woman set on fire identified
Reveals cancer surgery
Faces new charges
Arrests in death of agent
Ex-FSU players sue coach
Indiana soldier dies in Iraq
Anchor Aaron Brown dies
Kwon extradited to US
Bird flu in AZ wastewater
Smith drops docs appeal
US sanctions Russia, Iran
Near miss for Gonzaga plane
Loses sentencing delay bid
Congestion pricing ruling
PA voting machine ruling
Tugboat hits tanker, sinks
World leaders pay tribute
Venezuela fines TikTok $10M
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