Browsing by Issue Date, starting with "2010-12-07"

Now showing 1 - 20 of 44417

Pipeline-based reconfigurable mixed-radix FFT processor
(2010-12-07)
Lai
;
Chi-Chen
;
Hwang
;
Wei
The present invention discloses a fast Fourier transform (FFT) processor based on multiple-path delay commutator architecture. A pipelined architecture is used and is divided into 4 stages with 8 parallel data path. Yet, only three physical computation stages are implemented. The process or uses the block floating point method to maintain the signal-to-noise ratio. Internal storage elements are required in the method to hold and switch intermediate data. With good circuit partition, the storage elements can adjust their capacity for different modes, from 16-point to 4096-point FFTs, by turning on or turning off the storage elements.
Light-emitting diode of polymer nanocomposite with quantum dots
(2010-12-07)
Wei
;
Kung-Hwa
;
Chou
;
Chia-Hung
The present invention provides a light-emitting diode made of a polymer nanocomposite doped with quantum dots to improve luminescence efficiency and to increase stability and electrical characteristics.
Interconnect of group III-V semiconductor device and fabrication method for making the same
(2010-12-07)
Lee
;
Cheng-Shih
;
Chang
;
Edward Yi
;
Chang
An interconnect of the group III-V semiconductor device and the fabrication method for making the same are described. The interconnect includes a first adhesion layer, a diffusion barrier layer for preventing the copper from diffusing, a second adhesion layer and a copper wire line. Because a stacked-layer structure of the first adhesion layer/diffusion barrier layer/second adhesion layer is located between the copper wire line and the group III-V semiconductor device, the adhesion between the diffusion barrier layer and other materials is improved. Therefore, the yield of the device is increased.
Highly saturated red-emitting Mn(IV) activated phosphors and method of fabricating the same
(2010-12-07)
Chen
;
Teng-Ming
;
Luo
;
Juih-Tzer
The present invention provides a light emitting device comprising a semiconductor light source emitting radiation at about 250˜500 nm; and a phosphor composition radiationally coupled to the semiconductor light source, wherein the phosphor composition is selected from the group consisting of Mg14(Ge(5-a)Mna)O24, Sr(Ge(4-b)Mnb)O9, Mg2(Ti(1-c)Mnc)O4, Zn2(Ti(1-d)Mnd)O4, SrMg(Al(10-e)Mne)O17, and Y3(Ga(5-f)Mnf)O12.
Multilayered optical bit storage in Sm(DBM)(3)Phen-doped poly(methyl methacrylate) read out by fluorescence and reflection modes
(2010-12-08)
Nie, Z. G.
;
Lim, K. S.
;
Jang, W. Y.
;
Lee, H. Y.
;
Lee, M. K.
We report on multilayer optical data storage using Sm(DBM)(3)Phen-doped poly(methyl methacrylate) and a tightly focused 800 nm, 1 kHz, 100 fs pulsed laser. After pulsed femtosecond laser irradiation, refractive-index change and a visible fluorescent bit were formed at the irradiated position inside the bulk sample. The photoluminescence should result from the ligands peeled from the central Sm(3+) ions via bond scission induced by laser irradiation. Multilayer patterns recorded by tightly focusing the pulsed laser beam were read out by a reflection-type fluorescence confocal microscope, which can detect the scattered signal and also the fluorescent signal of the stored bits. The dependence of fluorescence and scattering signals on recording pulse energy was examined. The signal-to-noise ratios via two retrieval modes were compared as a function of recording depth. The detection of the fluorescence signal enables retrieval of the stored bits with a higher S/N ratio.
自《戰爭論》論戰爭
(2010-12-08)
翁明賢
;
開放教育推動中心
;
Open Education Office
課程首頁本課程是由交通大學新文藝復興閱讀計畫提供。 96 年 8 月當各大學紛紛摩拳擦掌準備迎接新生的同時，交通大學校長吳重雨則因為一則來自於七月份泰晤士報，有關於英國首相布朗公布其夏日讀書清單的新聞中，看到了他對知識的尊重。在這同時，吳重雨校長也思考著，要如何為學生準備追求知識的環境和激發他們對知識的尊重與喜愛。台積電張忠謀董事長曾陳述他 18 歲進入哈佛那一年，博覽文史哲理工經典群籍，至此奠定了他求知的基礎，並借海明威名言，將其改為「哈佛這一年為人生可帶走的盛宴。」吳重雨校長以張董事長的學習為借鏡，認為學生固然能藉由自我閱讀的方式學習到豐沛的知識，但透過名人、大師親臨現場地介紹經典書籍，更能加深學子們對於書籍的認識與興趣，這也是「新文藝復興閱讀計劃」 ( 以下簡稱 : 「經典名著選讀」 ) 活動展開籌劃的緣由。於是，吳重雨校長便積極敦請「交大通識教育委員會」，接手籌備本計劃的相關活動，而該中心也成為實際施行本計畫的策動、開課以及認證單位。至此，期許交大學子藉由閱讀、聽講來提昇人文素養、開拓視野的「新文藝復興閱讀計劃」，就此展開。
DRIVING METHOD AND DRIVING DEVICE FOR DRIVING A POLYPHASE INVERTER
(2010-12-09)
HU, Jwu-Sheng
;
CHEN, Keng-Yuan
A driving method for driving a polyphase inverter includes: receiving a reference input that includes a fundamental frequency component, and a previously generated feedback signal; generating an error signal that corresponds to a difference between the reference input and the previously generated feedback signal; attenuating the error signal to the minimum; generating an optimum signal; quantizing the optimum signal; and generating driving signals that correspond to the quantized optimum signal. A driving device that implements the driving method is also disclosed.
SYSTEM AND METHOD FOR MEASURING DISPERSION
(2010-12-09)
JYU, Siao-Shan
;
LAI, Yin-Chieh
;
LIU, Shiou-Fong
;
HSIANG, Wei-Wei
;
CHANG, Hon-Chieh
A method for measuring dispersion in an optical fiber is provided and includes the following steps. A periodic wavelength variation pulse light signal is generated by a periodic frequency-swept pulse light source, in which the periodic wavelength variation pulse light signal has periodic wavelength variations. The periodic wavelength variation pulse light signal is transmitted into a test optical fiber. The periodic wavelength variation pulse light signal propagating through the test optical fiber is detected to generate a sensing signal. The sensing signal is transformed into an RF spectrum to obtain a slow periodic pulse timing variation of the periodic wavelength variation pulse light signal in accordance with the RF spectrum. A dispersion value of the test optical fiber is obtained in accordance with the slow periodic pulse timing variation. A system for measuring dispersion in a fiber is also disclosed herein.
Three-dimensional indium-tin-oxide electrode, method of fabricating the same, device of fabricating the same, and method of fabricating solar cell comprising the same
(2010-12-09)
Chang, Chia-Hua
;
Yu, Pei-Chen
;
Hsu, Min-Hsiang
;
Wei, Kung-Hwa
;
Su, Ming-Shin
A three-dimensional ITO electrode and the method of fabricating the same are disclosed. The three-dimensional ITO electrode of the present invention has a conductive layer and a plurality of ITO nanorods formed on the conductive layer, wherein the length range of the ITO nanorods can vary from 10 nm to 1500 nm. The best length is about 50 nm-200 nm for organic solar cells. When applied into organic optoelectronic devices such as organic solar cells and organic light-emitting diodes (OLEDs), the three-dimensional structure of the ITO electrode may increase the contact area to the active layer, thus improving the electric current collecting efficiency and uniformity of current spreading (flowing). Also, an evaporator, a solar cell comprising the above three-dimensional ITO electrode, and the method of fabricating the solar cell are disclosed.
SENSING PLATFORM
(2010-12-09)
Lin, Chih-Sheng
;
Chuang, Yao-Chen
;
Chen, Sz-Hao
A sensing platform includes: a plurality of metal nanoparticles; a plurality of aggregate inducers each comprising first and second functional groups different from each other, and the first functional group of the aggregate inducers being in contact with the metal nanoparticles; and a plurality of recognition molecules for binding the metal nanoparticles and for interacting with a target to recognize the target, wherein the second functional group of the aggregate inducers is free from being in contact with the metal nanoparticles, and is used to induce the metal nanoparticles to aggregate after the recognition molecules interact with the target.
Controllable oxygen vacancies to enhance resistive switching performance in a ZrO(2)-based RRAM with embedded Mo layer
(2010-12-10)
Wang, Sheng-Yu
;
Lee, Dai-Ying
;
Huang, Tai-Yuen
;
Wu, Jia-Woei
;
Tseng, Tseung-Yuen
In this study, the resistive switching characteristics of a ZrO(2)-based memory film with an embedded Mo layer are investigated. The experimental results show that the forming process can be removed by inserting an embedded Mo metal layer within ZrO(2) via a post-annealing process. The excellent memory performance, which includes lower operation voltage (<1.5 V), good endurance (>10(3) cycles), a stubborn nondestructive readout property (>10(4) s), and long retention time (>10(7) s), is also demonstrated. Moreover, high-speed operation (10 ns) can be successively maintained over 10(3) cycles without any operational errors observed in this memory device. Due to the interface layer induced by the Ti top electrode, the formation and rupture of conducting filaments are suggested to occur near the Ti/ZrO(2) interface. The oxygen vacancies induced by the embedded Mo can enhance the formation of conducting filaments and further improve the switching characteristics in ZrO(2)-based devices.
Synthesis and application of H-Bonded cross-linking polymers containing a conjugated pyridyl H-Acceptor side-chain polymer and various carbazole-based H-Donor dyes bearing symmetrical cyanoacrylic acids for organic solar cells
(2010-12-10)
Sahu, Duryodhan
;
Padhy, Harihara
;
Patra, Dhananjaya
;
Kekuda, Dhananjay
;
Chu, Chih-Wei
A series of novel hydrogen-bonded (H-bonded) cross-linking polymers were generated by complexing various proton-donor (H-donor) solar cell dyes containing 3,6- and 2,7-functionalized electron-donating carbazole cores bearing symmetrical thiophene linkers and cyanoacrylic acid termini with a proton-acceptor (H-acceptor) side-chain homopolymer carrying pyridyl pendants (with 1/2 M ratio of H-donor/H-acceptor). The supramolecular H-bonded structures between H-donor dyes and the H-acceptor side-chain polymer were confirmed by FTIR measurements. The effects of the supramolecular architecture on optical, electrochemical, and organic photovoltaic (OPV) properties were investigated. From DFT (density functional theory) calculations, the optimized geometries of organic dyes reflected that the carbazole cores of H-donor dyes were coplanar with the conjugated thiophenes and cyanoacrylic acids, which is essential for strong conjugations across the donor-acceptor units in D1-D4 dyes. Under 100 mW/cm(2) of AM 1.5 white-light illumination, bulk heterojunction (BHJ) OPV cell devices containing an active layer of H-bonded polymers (PDETP/D1-D4) as an electron donor blended with [6,6]-phenyl C(61)-butyric acid methyl ester (PCBM) as an electron acceptor in a weight ratio of 1:1 were explored. From the preliminary investigations, the OPV device containing 1:1 weight ratio of H-bonded polymer PDFTP/D2 and PCBM showed the best power conversion efficiency (PCE) value of 0.31% with a short-circuit current (J(sc)) of 1.9 mA/cm(2), an open-circuit voltage (V(oc)) of 0.55 V. and a fill factor (FF) of 29%, which has a higher PCE value than the corresponding H-donor D2 dye (PCE = 0.15%) or H-acceptor PDFTP homopolymer (PCE = 0.02%) blended with PCBM in 1:1 weight ratio. (C) 2010 Elsevier Ltd. All rights reserved.
Controllable oxygen vacancies to enhance resistive switching performance in a ZrO2-based RRAM with embedded Mo layer
(2010-12-10)
Wang, Sheng-Yu
;
Lee, Dai-Ying
;
Huang, Tai-Yuen
;
Wu, Jia-Woei
;
Tseng, Tseung-Yuen
In this study, the resistive switching characteristics of a ZrO2-based memory film with an embedded Mo layer are investigated. The experimental results show that the forming process can be removed by inserting an embedded Mo metal layer within ZrO2 via a post-annealing process. The excellent memory performance, which includes lower operation voltage (<1.5 V), good endurance (>10(3) cycles), a stubborn nondestructive readout property (>10(4) s), and long retention time (>10(7) s), is also demonstrated. Moreover, high-speed operation (10 ns) can be successively maintained over 10(3) cycles without any operational errors observed in this memory device. Due to the interface layer induced by the Ti top electrode, the formation and rupture of conducting filaments are suggested to occur near the Ti/ZrO2 interface. The oxygen vacancies induced by the embedded Mo can enhance the formation of conducting filaments and further improve the switching characteristics in ZrO2-based devices.
增加虛擬天線於多輸入多輸出通道球體解碼器的方法
(2010-12-11)
桑梓賢
;
洪晉運
一種增加虛擬天線於多輸入多輸出通道球體解碼器的方法。利用一個簡單及有效的方法來搜尋與設定球體的初始半徑，因為初始半徑的範圍在球體解碼器的運算複雜性上扮演著一個重要的角色。此外，在多輸入多輸出通道的使用上，當傳送天線個數大於接收天線個數時，會造成多輸入多輸出通道的等效矩陣秩不足(rand－deficient)，而使得球體解碼運算器無法使用。因此透過增加虛擬天線的方法使多輸入多輸出通道矩陣能維持滿秩(full rank)，進而使球體解碼運算器仍可使用。該球體半徑設定法配合該增加虛擬天線法不但可以維持球體解碼運算器高效能的特點，同時也不影響原有的低運算量的特性。
壯遊培養國際觀　蔚為風潮
(2010-12-12)
潘珮瑄
;
Department of Communication and Technology
;
傳播與科技學系
世代替換，全球化的腳步從未停歇，國際觀與跨國體驗也開始在現今社會中被廣泛強調著。「壯遊，一種旅行，方法很貧窮，卻可以改變人的一生」。林懷民的一個概念，搭配各式平面媒體的相繼背書，「壯遊」風氣儼然而生，年輕人開始走出台灣。
清新芬芳梁心頤重新出發
(2010-12-12)
劉芮菁
;
Department of Communication and Technology
;
傳播與科技學系
輕柔的嗓音好似吹過樹梢的微風，又如瀰漫花海的恬淡芬芳，又或者，是閃耀粼粼波光的涓涓細流。這樣甜美而清澈的歌喉原屬於「南拳媽媽」前團員Lara，但現在卻隨著Lara的單飛，飛進首張個人專輯裡，透過一句句瑣碎細語的自然流洩，《Hello 梁心頤》向歌迷輕輕招手。
Jason Mraz 唱出自己的生活態度
(2010-12-12)
沈祐平
;
Department of Communication and Technology
;
傳播與科技學系
在今年十月底，唱片公司發行《Life is Good (Live)》EP專輯，當中收錄四首只曾發表於演唱會的新歌，和一首重新詮釋的舊曲，為Mraz重回唱片市場的計畫揭開序幕。《Life is Good (Live)》一如Mraz往常的風格，並無特別的行銷手法，反在官網提供整張專輯的試聽服務，對於外流在網路上的演唱會及歌曲片段，也沒有任何動作，彷彿是一種鼓勵曝光的逆向操作。
你所不知道的台北車站
(2010-12-12)
徐子晴
;
Department of Communication and Technology
;
傳播與科技學系
在這裡，你看過了火車誤點、準點進站，你看過了旅人引頸期盼，你看過了無數個陌生的臉孔。還有什麼，是你沒看過的呢？
市場老少咸宜的遊樂園
(2010-12-12)
周亭羽
;
Department of Communication and Technology
;
傳播與科技學系
星期天的市場，像是一座無需入場券也不限身高年齡的，熱鬧遊樂園。
情獻交大吳重雨
(2010-12-12)
林映綺
;
Department of Communication and Technology
;
傳播與科技學系
即將在2011年二月卸下交通大學校長職務的吳重雨教授，是深受學生愛戴的校長。從大學到博士，吳重雨一直都在交大就讀，畢業後，也在交大任教。這裡就如同他第二個家，有一份深厚的特殊情感。