WU,KAI-XIANG, 吳凱翔

碩士 / 逢甲大學 / 機械與電腦輔助工程學系 / 107 / In this study, the numerical software ANSYS_FLUENT was used to investigate the influence of the angle of attack and position of the vortex generator on the heat transfer performance of the plate-fin-tube type heat exchanger. The author intended to study the angle of attack of the vortex generator from 15° to 75°, and has planned to change the horizontal position and the vertical position of the vortex generator. In this study, the velocity vector diagram, temperat...

En-Ching Chen, 陳恩靖

碩士 / 國立東華大學 / 電機工程學系 / 106 / In this thesis, we simulate the effects of source/drain extension (SDE) of 7-nm FinFET and its random dopant fluctuations (RDF). First, we change the length and doping concentration of the SDE to observe their effects on the device characteristics. Then we simulated the RDF effect of SDE to examine the variability. Simulation results show that increasing the length of the SDE or decreasing the doping concentration of the SDE helps to improve the device characteristic...

Shun-Cheng Yang, 楊舜丞

碩士 / 國立臺灣大學 / 電子工程學研究所 / 106 / Starting with Moore''s law, we quickly review the development of semiconductors in the past 50 years, and understand the problems encountered by predecessors at each technology node along with the methods to overcome them. Also, we briefly describe the semiconductor materials and technologies that may be applied in the future, including III-V transistors and negative capacitance transistors. The first part of this thesis introduces the characteristics...

Bo-Chon Hsu, 許博鈞

碩士 / 國立臺北科技大學 / 能源與冷凍空調工程系碩士班 / 96 / Most electronic components applies forced air cooling.Therefore, the fin shape poessesses a dominant impact on coolinng while not altering the fan.This thesis targets on the application of vertical and horizontal louver fin on CPU cooling machine.Further, the fin conductin and the fluid flow pattern between fins are discussed.This thesis approaches the heat flow while 3-dimentional louver fin is utilized on computer cooling with mathematical analysis method.A...

KAN, CHIH-CHENG, 甘智丞

碩士 / 國立臺北科技大學 / 電子工程系 / 107 / In this thesis, we investigate the DC and high frequency characteristics of RF FinFETs and power FinFETs with different layout structures. The dc properties were analyzed from the output (ID-VD) and transfer characteristics (ID-VG), and the high-frequency performances were evaluated with the cutoff frequency (Ft) and the maximum oscillation frequency (Fmax). Compared to planar MOSFETs, FinFETs have better gate controllability. Firstly, we examine the relationship be...

Kuo, Ren-Jay, 郭仁傑

碩士 / 國立清華大學 / 電子工程研究所 / 106

Hsu, You-Wei, 許祐維

碩士 / 國立清華大學 / 動力機械工程學系 / 106

CHANG,CHIA-HSIEN, 張家憲

碩士 / 明新科技大學 / 電子工程系碩士班 / 106 / The applications of FinFET device with advanced nano-node process are more and more adopted in the commercial electronic products, especially in high-performance and high-density products. In order to obtain the optimal electrical characteristics and controllable process window for the desired devices, the electrical parameters for devices must be strictly monitored and verified. In this work, one set of 90nm lithographical masks with hard masks were applied to...

CHAO, TING-WEI, 趙廷唯

碩士 / 明新科技大學 / 電子工程系碩士班 / 106 / The use of planar transistors has been in the semiconductor industry for some time. With the evolution of the era, business opportunities such as high computational rates, artificial intelligence, virtual reality, 5G communications, automotive electronics and audio and video demand, and Internet of Things have risen rapidly, and ICs have become more and more demanding, with changes in the size of IC chips. Under the premise that the size of the transistor element i...

TSENG,CHUN-KAI, 曾俊凱

碩士 / 明新科技大學 / 電子工程系碩士班 / 107 / Three dimensional FinFET(Fin Field Effect Transistor) devices are under high controllability at nano-meter scale because the leakage current is effectively suppressed through the fin-structural gates. Therefore, the devices are popular and feasible to the integration circuit design as the scale continues to shrink. In this paper, 90nm channel has been studied at various temperatures, in which higher temperatures correspond to more phonons and those phonons may dire...

HUNG,YU-CHE, 洪毓哲

碩士 / 國立勤益科技大學 / 冷凍空調與能源系 / 107 / In this study, MOF A520 was applied as a solid-state dehumidification material to be coated a fin tube heat exchanger, to absorb vapor in the process air to attain dehumidification effect in the process air. Metal-Organic Framework (MOF) materials have many advantages such as high specific surface area, designable pore size and adjustable properties. In recent years, various MOFs have been developed to adsorb water molecules or other gas molecules. The developmen...

CHEN, TSUNG-SHIN, 陳宗欣

碩士 / 國立虎尾科技大學 / 動力機械工程系機械與機電工程碩士在職專班 / 107 / During the engine operates, the temperature generated in the combustion chamber is very high, the heat would be transferred to the cylinder wall of the combustion chamber, so the cylinder block must have good heat dissipation to avoid the deformation of the metal materials. The biggest difference between an air-cooled engine and a water-cooled engine is that the water-cooled engine can control the temperature in a certain range because the water-coole...

Sin-Jie Wang, 王信傑

碩士 / 國立虎尾科技大學 / 航空與電子科技研究所 / 103 / As for the release of stores from the aircraft, it is important that the target is hit and destroyed by the stores. However, it will not be allowed and expected if the mother aircraft is hit and damaged by the store it releases. Consequently, smooth separation of store and aircraft is also concerned. In this article, the commercial software ESI CFD FASTRAN is applied to study the parametric effects of supersonic flows around multiple stores with fins released f...

Wei-Ting Liao, 廖偉廷

碩士 / 國立虎尾科技大學 / 航空與電子科技研究所 / 101 / As for the release of store from the aircraft, it is important that the target is hit and destroyed by the stores. However, it will not be allowed and expected if the mother aircraft is hit and damaged by the store it releases. Consequently, smooth separation of store and aircraft is also concerned. In this article, ESI CFD FASTRAN is the commercial software applied to study the parametric effects of turbulent flows around a store with fins released from a wing...

Ying-Hui Lai, 賴穎輝

碩士 / 國立高雄應用科技大學 / 機械與精密工程研究所 / 100 / In order to investigate the thermal performance of different types of heat sink under non-uniform heating condition, both plate-fin heat sinks and pin-fin heat sinks were tested with a central square heat source having length of 45 mm, 20 mm, 10 mm and 4 mm at various frontal air velocities in this study. The base area of those heat sinks are 45 mm × 45 mm having fin height of either 10 mm or 30 mm. The frontal velocity ranged from 1 m/s to 5 m/s. Both pressu...

Chen-Chieh Line, 連振傑

碩士 / 國立虎尾科技大學 / 航空與電子科技研究所 / 100 / In recent years, the majority of the tests are performed using the facility of the wind tunnel implemented, but it will waste a lot of money and time. With the progress of computers, the use of software to carry out numerical simulation becomes feasible. Computational Fluid Dynamics with the computer calculations can reduce the time required for a large number of results obtained from experiments implemented. Comparing to the previous wind tunnels, the calculat...

CHUNG,YU-HSUN, 鍾育勳

碩士 / 南亞技術學院 / 機械工程系機械與機電工程碩士班 / 107 / The subject of this study is to use Taguchi method to investigate the effect of different mesh wick structures and different working fluid charging capacities on the maximum heat transport capacity and the thermal resistance of heat pipes. This research optimize the coolingwater and pipe-material svaried, utilizesTauchi-method L9(33) Orthogonal Array table to do experimental design. It also utilizes The Minimum-the-Better quality characteristics produce the ...

Wen-Lung Cheng, 鄭文瀧

碩士 / 國立虎尾科技大學 / 材料科學與綠色能源工程研究所 / 103 / Due to the advantages of High-brightness light-emitting diode (High Brightness Light Emitting Diode, HB-LED), such as fast response, long cycle life, resistance to vibration, high brightness, high stability, easy to design, low driving power, low heat radiation, high lighting design freedom, and so on, it has been widely used in car lights, small lighting, mirrors and turn signals taillight modules in recent years. Moreover, it can catch the attention of co...

Qing-Hao Chen, 陳卿豪

碩士 / 國立虎尾科技大學 / 航空與電子科技研究所 / 102 / As for the release of store from the aircraft, it is important that the target is hit and destroyed by the stores. However, it will not be allowed and expected if the mother aircraft is hit and damaged by the store it releases. Consequently, smooth separation of store and aircraft is also concerned. In this article, the commercial software ESI CFD FASTRAN is applied to study the parametric effects of inviscid flows around multiple stores with fins released from...

Jian-Siang Chen, 陳建祥

碩士 / 國立虎尾科技大學 / 機械與機電工程研究所 / 100 / The overheating problem of electronic components has been the serious challenge for designers to face. With the minimizing design concept of semiconductor component manufacture, the size of electronic components reduces gradually. At the same time, with the electronic component demanded power rising, the heat generation of per unit area also increases significantly. Therefore, how to improve the heat removal performance of electronic components has become an im...

Lin, Chih-Ju, 林志儒

碩士 / 國立清華大學 / 工程與系統科學系 / 105 / abstract hide

Yuan, Jo-En, 袁若恩

碩士 / 國立清華大學 / 電子工程研究所 / 105 / abstract hide

YU-HUNG WANG, 王茟弘

碩士 / 國立臺北科技大學 / 能源與冷凍空調工程系碩士班 / 105 / The main purpose of this study is to optimize the number and size of fin-cuts on the heat sink in the natural convective environment using experimental and CFD simulation methods. With the fixed values of heat sink envelop volume of 10102 mm3, heat dissipation of 10 W, ambient temperature of 30°C, and radiation emissivity of 0.8 for the extruded aluminum with anodize treatment, fins having 0 to 3 cross cuts of 8 different cut widths were numerically simula...

Han-Yang Cheng, 鄭翰揚

碩士 / 國立臺北科技大學 / 電子工程系研究所 / 105 / In this thesis, we investigate the DC and high frequency charcteristics of RF TFT with wide drain structure. First of all, by observing the changes in extend length (LEX), we can examine the relationship between LEX and electrical properties. For further analyzing the high-frequency performance, parameters of small-signal equivalent circuit are extracted. The wide drain region with rectangular structure and trapezoidal structure are also discussed. The impact of...

Chen Chienyun, 陳建昀

碩士 / 國立臺北科技大學 / 能源與冷凍空調工程系碩士班 / 105 / In recent years,the issue of saving energy and carbon reduction has been paid more and more attention. The heat exchanger is based on the heat transfer between the fluids to achieve the purpose of reducing the load. Plate fin-and-tube heat exchagers are widely used in several areas, such as heating, ventilating, air conditioning and refrigeration system. However, the geometries of plate fin and tube heat exchanger influence the flow field characteristics gre...

Sin-Hong Deng, 鄧信宏

碩士 / 國立臺北科技大學 / 能源與冷凍空調工程系碩士班 / 105 / In this study, flow boiling experiment is tested with di-electric fluid, FC-72, which flow through a 14 mm by 14 mm square heated area in a square channel having variable space. Cubic fins of 0.2 mm in both height and width were made on the copper plate with 0.2 mm fin gap. The internal space of the test section is either 1/4, 1/2, or 3/4 covered. The experimental results showed that the single phase convetion heat transfer performane increased the ratio of...

Chen, Huang-Jen, 陳皇任

碩士 / 國立清華大學 / 工程與系統科學系 / 107

Min-HongChen, 陳旻鴻

碩士 / 國立成功大學 / 系統及船舶機電工程學系 / 106 / A three-dimensional inverse design problem is examined in this thesis using a general purpose commercial package (CFD-ACE+) and the Levenberg-Marquardt Method (LMM) to estimate the optimum perforation diameters and shape for perforated pin fins with different design variables. Based on the literature [18], this study consists of four cases. The objective of this thesis is to find the best shape design with a fixed volume condition for minimizing the temperature ...

Xiang-HongSong, 宋祥弘

碩士 / 國立成功大學 / 航空太空工程學系 / 106

Cheng-YuYeh, 葉承祐

碩士 / 國立成功大學 / 機械工程學系 / 106 / In this study, inverse method and FLUENT are applied to determine the heat transfer and fluid flow characteristics of vertical cylinder heat sinks with longitudinal fins in the cabinet with two kinds of boundary conditions, upward-opening ＆ chimney. Inverse method indicating finite difference method, and least square method is a simple but prompt way to predict the heat performance. In order to using inverse method, the temperature on the fin should be measured, so t...

Pei-YuLin, 林珮瑜

碩士 / 國立成功大學 / 機械工程學系 / 106 / The present study applies the inverse method and CFD software Icepak in conjunction with the experimental method to predict the heat characteristics of plate-fin and tube heat exchangers. The effects of parameters such as fin pitch and tube location are examined. Since the heat transfer coefficient on the fin is not uniform, the fin is divided into several sub-regions and the heat transfer coefficient in each sub-regions is assumed to be a constant. Later, the invers...

Tzu-HanWang, 王子翰

碩士 / 國立成功大學 / 機械工程學系 / 106

Ming-ChungLin, 林明璋

碩士 / 國立成功大學 / 機械工程學系 / 106

Jui-ShengTsao, 曹瑞昇

碩士 / 國立成功大學 / 機械工程學系 / 106

Yao-LunChang, 張耀倫

碩士 / 國立成功大學 / 機械工程學系 / 106 / This study uses three-dimensional computational fluid dynamics (CFD) numerical simulation along with inverse method and experimental temperature data to investigate the mixed convection heat transfer and flow characteristics of H-type finned tube heat exchanger in a rectangular tunnel. The effects of three parameters including inlet velocity Va, fin spacing S and fin length L are examined. The inverse method in conjunction with finite difference method and least-squa...

Yi-Ping Chang, 張一平

碩士 / 國立高雄第一科技大學 / 機械與自動化工程所 / 96 / In this study , the aims were to analyze the cold forging process of the forward extrusion method and to investigate the design of the mechanism applied in the AA6061 heat sink part forging die set. First the CAE software,“DEFORM-3D”, is not only used to analyze the stress and strain in the die as well as the situation of material flow during forging, but also analyze the forward extrusion process and the variables in extrusion die design are investigated. Then...

Tzu-Ling Hung, 洪子玲

碩士 / 國立中興大學 / 電機工程學系所 / 106 / Fin Field Effect Transistors (FinFET) and nanowire transistors are two potential device structures of next-generation transistors for 5-3 nm technology nodes to effectively suppress short channel effect and continuously miniaturize transistor devices. Therefore, this study focuses on the application of silicon and germanium as the channel materials to the device structures of above two transistors to calculate carrier mobility in inversion layer as well as the stres...

Wang,Chen-Chih, 王晨智

碩士 / 國立交通大學 / 機械工程系所 / 105 / The study investigates the heat transfer of a rectangle cooling channel with pin-fin array at high rotation numbers using thermochromic liquid crystal. The channel aspect ratio is 4 and angle of channel orientation is 150°. Eight rows of staggered circular pin-fins are used with the spanwise and streamwise spacing of 2. Various fin array configurations (full fin, partial fin, and missing fin) is studied by changing the fin geometry at the fourth row of the fin array....

Su, Yang-Hong, 蘇揚鴻

碩士 / 國立交通大學 / 資訊科學與工程研究所 / 107 / Standard cells are basic components in digital IC designs, and they play an important role to determine the performance of a digital IC. With the continuous progresses of technology nodes, the feature size continues to shrink. Due to the design for manufacturing (DFM) considerations, the design rules become more complicated. This makes it much harder for cell routing algorithm to consider complex design rules during routing, which drastically increases the diffic...

Tseng, Shih-Chiang, 曾是強

碩士 / 國立交通大學 / 資訊科學與工程研究所 / 107 / With the advance of technology nodes, complex and huge numbers of design rules are faced in integrated circuit (IC) physical designs under the considerations of design for manufacturability (DFM). Standard cells are the basic components of IC designs, and highly impact the quality of IC designs. With the evolution of PlanarFET structure technology nodes, the control of poly gate is reducing and the leakage is increasing. Given that issue, FinFET structure effecti...

Chan-chia Yang, 楊展嘉

碩士 / 國立臺北科技大學 / 電子工程系 / 106 / We investigated RF FinTFTs DC and high frequency performances with different wide drain structure, metal field plate structure, wide drain extend length and channel length in this thesis. First of all, by observing the changes of the trapezoid structure and metal field plate to study the relationship DC parameters, In order to find out the high-frequency characteristics after changing the trapezoid structure and metal field plate, and analysis of different structure...

Chang, Yu-Dian, 張煜典

碩士 / 國立清華大學 / 電子工程研究所 / 106 / In recent years, trading goods through the Internet becomes very popular and general, make our lives more convenient. Therefore, how to encrypt the transmitted data is a very important issue. In order to create a reliable encryption system, an unpredictable random number generator is necessary. Random number generators usually use naturally generated noise as a signal source to generate unpredictable and aperiodic random numbers. There are some methods using the the...

Shih, Yi-Hong, 施怡宏

碩士 / 國立清華大學 / 電子工程研究所 / 106 / abstract hide

Chien, Wei-Yu., 錢威宇

碩士 / 國立清華大學 / 電子工程研究所 / 106 / abstract hide

KAI SIANG LIN, 林楷翔

碩士 / 國立勤益科技大學 / 冷凍空調系 / 105 / In this thesis, an experimental study on solid desiccant dehumidification is carried out to investigate dehumidification performance of three different composite solid desiccant coated on fin-tube heat exchangers. Each heat exchanger set used in the experiment is consisted of three pieces of 300 × 300 × 160 mm fin-tube heat exchangers which is assembled to one package in series. The first set is coated on 538.5 g silica gel mixed with graphene, and the second set is...

YANG, CHENG-KAI, 楊程凱

碩士 / 國立高雄大學 / 電機工程學系碩博士班 / 105 / In past several decades, complementary metal-oxide-semicondutor (CMOS) technology has been development aggressively. In order to enhance device performance and suppress leakage for scaling device, high-k (HK) materials and metal gate (MG) electrodes have become an important foundation of CMOS technology processes. In recent years, HfO2 gate dielectric integrated with metal gate was used to replace Poly-Si /SiO2 gate structure. But there may exist defects in HfO2 ...

Kuo, Ping-Han, 郭秉翰

碩士 / 國立清華大學 / 電子工程研究所 / 106 / abstract hide

Lin, Jia-Ru, 林佳儒

碩士 / 國立清華大學 / 動力機械工程學系 / 106 / Thermoelectric cooler (TEC) is a device which converts electrical energy into heat energy. The primary principle of the TEC is the Peltier effect. Thermoelectric cooler is a sandwich structure consisting of many different materials. When a direct current is applied, thermal stress and thermal deformation are unavoidably produced in the TEC due to the temperature gradient. Moreover, due to the mismatch of thermal expansion coefficient between component materials of ...

Huang, Chin-Hsiu, 黃晉修

碩士 / 國立清華大學 / 工程與系統科學系 / 106 / abstract hide

Ping-ChouChen, 陳柄州

碩士 / 國立成功大學 / 機械工程學系 / 105 / This study applies inverse method and Icepak to determine the heat transfer and fluid flow characteristics of elliptical fin and tube exchanger with various fin spacing, flow velocity and various tube size. Since the distribution of the heat transfer coefficient on the fin is not uniform, the plate-fin is divided into several subregions and the heat transfer coefficient in each subregion is assumed to be unknown constant.Then using inverse method with measured tempe...