Energy Transfer Characteristics at the Interface between Thin Film and Substrate
薄膜与基底界面处的能量传输特性
基本信息
- 批准号:11650210
- 负责人:
- 金额:$ 2.3万
- 依托单位:
- 依托单位国家:日本
- 项目类别:Grant-in-Aid for Scientific Research (C)
- 财政年份:1999
- 资助国家:日本
- 起止时间:1999 至 2000
- 项目状态:已结题
- 来源:
- 关键词:
项目摘要
Heat transport characteristic of an interface between thin film and solid has been an attractive problem in both thermal engineering and thermal science. Recent progress of micro-fabrication techniques makes it possible to reduce the size of electric devices or sensors dramatically and this downsizing causes a large heat generation at local areas. Therefore, how to remove the heat generated from hot spots becomes an important problem, in terms of the lifetime and reliability of the devices and also it may be essential for developments of high performance sensors. As heat conduction is the predominant mechanism in microscale heat transfer, thermal boundary resistance between thin film and substrate, R_<bd>, plays an important role in the heat removal process. However, although theoretical models for the resistance in the range of low temperature region, under about 30 K, are developed, the resistance in the room temperature region has not been well examined.For the measurement of the th … More ermal boundary resistance, we usually add a laser heating to a thin film and observe a response of the film temperature. As the response is very quick, usually in the order of micro second, we must adopt a measurement technique with high time resolution. Reflectance thermometry is one of the most suitable technique for it This technique is based on the fact that a reflectivity of films varies with the film temperature. For a calibration of thermo-reflectance coefficients, C_<TR>, we applied the 3 ω method. By comparing the experimental result with time responses of film temperature in heat conduction simulations, we can obtain the value of the thermal boundary resistance.The main results obtained in this research are as follows.(1) The 3 ω method is effective for the measurement of thermo-reflectance coefficients and the coefficients of a gold film and a platinum one on glass substrates are obtained as -4.15x10^<-5> [1/K] and -3.51x10^<-5> [1/K], respectively.(2) The thermal boundary resistances between Pt and Au films and glass substrate are 5.0x10^<-7> [m^2K/W] and 1.0x10^<-6> [m^2K/W], respectively. Less
薄膜与固体界面的热输运特性一直是热工程和热科学研究的热点问题。微制造技术的最新进展使得可以显著地减小电子器件或传感器的尺寸,并且这种尺寸减小导致在局部区域产生大量的热。因此,如何去除热点产生的热量成为一个重要的问题,在器件的寿命和可靠性方面,它也可能是高性能传感器的发展必不可少的。由于热传导是微尺度传热的主要机制,薄膜与衬底之间的边界热阻R_<bd>在热去除过程中起着重要作用。然而,尽管已经建立了低温区(约30 K以下)电阻的理论模型,但室温区的电阻尚未得到很好的研究。 ...更多信息 热边界电阻,我们通常添加一个激光加热薄膜,并观察薄膜温度的响应。由于其响应速度非常快,通常在微秒量级,因此必须采用高时间分辨率的测量技术。反射式测温法是一种最适合于这种测量的方法。对于热反射系数C_的校准<TR>,我们应用3 ω方法。通过将实验结果与热传导模拟中薄膜温度的时间响应进行比较,可以得到边界热阻的大小。(1)3 ω法是一种有效的测量热反射系数的方法,测得玻璃衬底上金膜和铂膜的热反射系数分别为-4.15 × 10 ~(<-5>-1)[1/K]和-3.51 × 10 ~<-5>(-1)[1/K]。(2)Pt和Au薄膜与玻璃衬底之间的边界热阻分别为5.0 × 10 ^<-7>[m^2K/W]和1.0 × 10 ^<-6>[m^2K/W]。少
项目成果
期刊论文数量(0)
专著数量(0)
科研奖励数量(0)
会议论文数量(0)
专利数量(0)
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INOUE Takayoshi其他文献
TRANSPORT PROCESSES AROUND SAGAMI BAY AND SURUGA BAY USING A PARTICLE TRACKING MODEL
使用粒子追踪模型的相模湾和骏河湾周围的运输过程
- DOI:
10.2208/kaigan.77.2_i_373 - 发表时间:
2021 - 期刊:
- 影响因子:0
- 作者:
INOUE Takayoshi;MASUNAGA Eiji;KOSAKO Taichi;ZHANG Xu;UCHIYAMA Yusuke - 通讯作者:
UCHIYAMA Yusuke
INOUE Takayoshi的其他文献
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{{ truncateString('INOUE Takayoshi', 18)}}的其他基金
Elucidation of molecular machinery for mouse forebrain compartmentalization
阐明小鼠前脑区室化的分子机制
- 批准号:
21500333 - 财政年份:2009
- 资助金额:
$ 2.3万 - 项目类别:
Grant-in-Aid for Scientific Research (C)
Heat Transport Characteristics and Operating Limit Expansion of Oscillating Heat Pipe
振荡热管的传热特性及工作极限扩展
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17560172 - 财政年份:2005
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$ 2.3万 - 项目类别:
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Planck's and Duhem's physical researches in the turning period between the 19th and 20th centuries
19世纪与20世纪之交普朗克和迪昂的物理研究
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10680001 - 财政年份:1998
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$ 2.3万 - 项目类别:
Grant-in-Aid for Scientific Research (C)
Development of velicity selector for metal atom and its application in thermal engineering
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08555051 - 财政年份:1996
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$ 2.3万 - 项目类别:
Grant-in-Aid for Scientific Research (B)
COonrol of Formation Process of Water Clusters by Rotatilnal Energy
旋转能控制水团簇形成过程
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01550185 - 财政年份:1989
- 资助金额:
$ 2.3万 - 项目类别:
Grant-in-Aid for General Scientific Research (C)
On the Formation of Physical Chemistry in the later 19th Century
论19世纪后期物理化学的形成
- 批准号:
60580084 - 财政年份:1985
- 资助金额:
$ 2.3万 - 项目类别:
Grant-in-Aid for General Scientific Research (C)
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