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低溫固化電子漿料高導(dǎo)熱性能研究進(jìn)展
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作者單位:

1.昆明理工大學(xué)材料科學(xué)與工程學(xué)院;2.昆明貴金屬研究所 稀貴金屬綜合利用新技術(shù)國家重點(diǎn)實(shí)驗(yàn)室

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中圖分類號(hào):

TG146.3

基金項(xiàng)目:

國家自然科學(xué)基金(51771084);云南省科技計(jì)劃項(xiàng)目(2016DC032);,


Recent progress of high thermal conductivity of low temperature curing electronic paste
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Affiliation:

1.KMUST;2.Kunming Institute of Precious Metals

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    摘要:

    電子漿料作為一種性能優(yōu)異的熱界面材料,廣泛應(yīng)用于超高速電腦芯片、功率半導(dǎo)體器件以及高亮度LED中,可以通過低溫固化方式實(shí)現(xiàn)芯片與熱沉之間的機(jī)械連接、電連接和熱連接并能滿足高溫環(huán)境下的使用要求。本文介紹了納米銀和碳納米管應(yīng)用于低溫固化電子漿料提高導(dǎo)熱性能的最新研究進(jìn)展,基于二者對電子漿料導(dǎo)熱結(jié)構(gòu)的影響分別介紹了:1)納米銀尺寸、表面包覆劑以及燒結(jié)結(jié)構(gòu)內(nèi)部孿晶的形成對電子漿料導(dǎo)熱性能的影響;2)制備定向碳納米管陣列以及陣列連接界面改性修飾,在芯片與熱沉之間形成高導(dǎo)熱通路制備熱界面材料; 3) 銀修飾碳納米管的界面效應(yīng)以及其與銀粉燒結(jié)鍵合形成三維復(fù)合導(dǎo)熱結(jié)構(gòu)對提升電子漿料導(dǎo)熱性能的影響。并對未來納米銀與碳納米管提高電子漿料導(dǎo)熱性能的發(fā)展方向進(jìn)行了展望。

    Abstract:

    electronic paste is an excellent thermal interface material (TIM), which is widely used in ultra-high speed computer chips, power semiconductor devices and LED, and it can achieve mechanical connection, electric connection and thermal connection between chip and heat sink by low temperature curing process, which can satisfy the application requirements and service conditions under high temperature. This article reviews the recent development of nano silver and carbon nanotubes application in low temperature curing electronic paste, based on the influence in thermal conductivity structure of silver nanoparticles and carbon nanotubes, separately presented: 1) the influence of the size of nano silver, surface coated agent and twins growth mode on the thermal conductivity in electronic paste; 2) the vertically aligned carbon nanotubes are prepared and the joint interface are modified and decorated, TIM was prepared to form high thermal conduction path by connecting chip and heat sink, 3) the interface influence of silver nanoparticles decorated carbon nanotubes and silver powder to prepare three-dimensional composite thermal conductive structure by sintered bonding on enhancing the thermal conductivity of electronic paste. Finally, we express the expectation for nano silver and carbon nanotubes application in improving the thermal conductivity of the electronic paste in the future.

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引用本文

黃宇寬,徐順濤),甘國友),李文琳),李俊鵬).低溫固化電子漿料高導(dǎo)熱性能研究進(jìn)展[J].稀有金屬材料與工程,2019,48(10):3394~3400.[Huang Yu-Kuan),Xu Shun-Tao),Gan Guo-You),Li Wen-Lin),Li Jun-Peng). Recent progress of high thermal conductivity of low temperature curing electronic paste[J]. Rare Metal Materials and Engineering,2019,48(10):3394~3400.]
DOI:10.12442/j. issn.1002-185X.20180585

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歷史
  • 收稿日期:2018-06-04
  • 最后修改日期:2018-07-10
  • 錄用日期:2018-07-27
  • 在線發(fā)布日期: 2019-11-01
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