Browsing by Issue Date, starting with "2013-09-26"

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DIGITAL SENSING APPARATUS AND DIGITAL READOUT MODULE THEREOF
(2013-09-26)
LAI Kelvin Yi-Tse
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LEE Chen-Yi
A digital sensing apparatus includes a sensing unit capable of providing a sensing response associated with an environmental parameter, and a digital readout module including a reading unit for generating a pulse signal having a pulse width as sociated with the sensing response, and a converting unit. The converting unit includes a clock signal generator for generating a variable-frequency clock signal, and a counter operable to count a width value of the pulse width of the pulse signal using the clock signal, so as to generate a digital sensing code. The frequency of the clock signal from the clock signal generator is adjustable to adjust resolution of the width value of the pulse width of the pulse signal.
Structure of native oligomeric Sprouty2 by electron microscopy and its property of electroconductivity
(2013-09-27)
Chen, Feng-Jung
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Lee, Kuan-Wei
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Lai, Chun-Chieh
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Lee, Sue-Ping
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Shen, Hsiao-Hsuian
Receptor tyrosine kinases (RTKs) regulate many cellular processes, and Sprouty2 (Spry2) is known as an important regulator of RTK signaling pathways. Therefore, it is worth investigating the properties of Spry2 in more detail. In this study, we found that Spry2 is able to self-assemble into oligomers with a high-affinity KD value of approximately 16 nM, as determined through BIAcore surface plasmon resonance analysis. The three-dimensional (3D) structure of Spry2 was resolved using an electron microscopy (EM) single-particle reconstruction approach, which revealed that Spry2 is donut-shaped with two lip-cover domains. Furthermore, the method of energy dispersive spectrum obtained through EM was analyzed to determine the elements carried by Spry2, and the results demonstrated that Spry2 is a silicon- and iron-containing protein. The silicon may contribute to the electroconductivity of Spry2, and this property exhibits a concentration-dependent feature. This study provides the first report of a silicon- and iron-containing protein, and its 3D structure may allow us (1) to study the potential mechanism through the signal transduction is controlled by switching the electronic transfer on or off and (2) to develop a new type of conductor or even semiconductor using biological or half-biological hybrid materials in the future. (C) 2013 Elsevier Inc. All rights reserved.
Fisher information metric for the Langevin equation and least informative models of continuous stochastic dynamics
(2013-09-28)
Haas, Kevin R.
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Yang, Haw
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Chu, Jhih-Wei
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生物科技學系
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生物資訊及系統生物研究所
The evaluation of the Fisher information matrix for the probability density of trajectories generated by the over-damped Langevin dynamics at equilibrium is presented. The framework we developed is general and applicable to any arbitrary potential of mean force where the parameter set is now the full space dependent function. Leveraging an innovative Hermitian form of the corresponding Fokker-Planck equation allows for an eigenbasis decomposition of the time propagation probability density. This formulation motivates the use of the square root of the equilibrium probability density as the basis for evaluating the Fisher information of trajectories with the essential advantage that the Fisher information matrix in the specified parameter space is constant. This outcome greatly eases the calculation of information content in the parameter space via a line integral. In the continuum limit, a simple analytical form can be derived to explicitly reveal the physical origin of the information content in equilibrium trajectories. This methodology also allows deduction of least informative dynamics models from known or available observables that are either dynamical or static in nature. The minimum information optimization of dynamics is performed for a set of different constraints to illustrate the generality of the proposed methodology. (C) 2013 AIP Publishing LLC.
Abnormal threshold voltage shift under hot carrier stress in Ti1-xNx/HfO2 p-channel metal-oxide-semiconductor field-effect transistors
(2013-09-28)
Tsai, Jyun-Yu
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Chang, Ting-Chang
;
Lo, Wen-Hung
;
Ho, Szu-Han
;
Chen, Ching-En
This work investigates the channel hot carrier (CHC) effect in HfO2/Ti1-xNx p-channel metal oxide semiconductor field effect transistors (p-MOSFETs). Generally, the subthreshold swing (S. S.) should increase during CHC stress (CHCS), since interface states will be generated near the drain side under high electric field due to drain voltage (V-d). However, our experimental data indicate that S. S. has no evident change under CHCS, but threshold voltage (V-th) shifts positively. This result can be attributed to hot carrier injected into high-k dielectric near the drain side. Meanwhile, it is surprising that such V-th degradation is not observed in the saturation region during stress. Therefore, drain-induced-barrier-lowering (DIBL) as a result of CHC-induced electron trapping is proposed to explain the different V-th behaviors in the linear and saturation regions. Additionally, the influence of different nitrogen concentrations in HfO2/Ti1-xNx p-MOSFETs on CHCS is also investigated in this work. Since nitrogen diffuses to SiO2/Si interface induced pre-N-it occurring to degrades channel mobility during the annealing process, a device with more nitrogen shows slightly less impact ionization, leading to insignificant charge trapping-induced DIBL behavior. (C) 2013 AIP Publishing LLC.
Simulation study of type-II Ge/Si quantum dot for solar cell applications
(2013-09-28)
Hu, Weiguo
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Rahman, Mohammad Maksudur
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Lee, Ming-Yi
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Li, Yiming
;
Samukawa, Seiji
The electronic structure, miniband formation conditions, and required process parameters of type-II Ge/Si quantum dots are calculated using a 3D finite element method. We further estimate the device conversion efficiency and optimize the appropriate operation conditions. By using the crystalline silicon as the matrix, the explored intermediate band solar cell (IBSC) may not be suitable for 1 sun application, but it is a great value under concentration application. By considering an appropriate H-passivation treatment on amorphous silicon, the type II Ge/Si IBSC can achieve 44.0% conversion efficiency under 1 sun application. (C) 2013 AIP Publishing LLC.
Interface and thickness tuning for blade coated small-molecule organic light-emitting diodes with high power efficiency
(2013-09-28)
Chang, Yu-Fan
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Chiu, Yu-Chian
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Chang, Hao-Wen
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Wang, Yi-Siang
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Shih, Yi-Lun
We developed a general method based on fluorescence microscopy to characterize the interface dissolution in multi-layer organic light-emitting diodes (OLEDs) by blade coating. A sharp bi-layer edge was created before blade coating, with the bottom layer being insoluble and top layer soluble. After blade coating, fluorescence images showed that the edge of the top layer shifted when the layer dissolved completely, whereas the bottom layer's edge remained in place as a positioning mark. The dissolution depth was determined to be 15-20 nm when the emissive-layer host of 2,6-bis (3-(9H-carbazol-9-yl) phenyl) pyridine (26DCzPPy) was coated on the hole-transport layer of N, N'-bis(naphthalen-1-yl)-N, N'-bis(phenyl)-benzidine(NPB), which was consistent with a sudden drop in efficiency of orange OLEDs with layer thickness below 20 nm. Thus, the layer thickness of OLEDs was optimized to stay more than 20 nm for blade coating. For a two-color white OLED with the structure TCTA/26DCzPPy:PO-01-TB:FIrpic/TPBI, efficiency was 24 cd/A and 8.5 lm/W at 1000 cd/m(2). For a three-color white OLED with Os(fptz)(2)(dhpm) added as the emitter, the efficiency was 12.3 cd/A and 3.7 lm/W at 1000 cd/m(2). For a green device with the structure TCTA/26DCzPPy: Ir(mppy)(3)/TPBI, the efficiency was 41.9 cd/A and 23.4 lm/W at 1000 cd/m(2). VC 2013 AIP Publishing LLC.
夢　是解放還是束縛
(2013-09-29)
張薇
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Department of Communication and Technology
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傳播與科技學系
《戲夢巴黎》為兩千零三年上映的法國電影，背景設定為一九六零年代學生運動興盛的巴黎。屏棄上街遊行、政治家演講等俗套的表現方式，而將焦點放在三位年輕學生的日常生活，藉此重現當年法國的社會情況與思想。
女朋友男朋友　她愛他愛他
(2013-09-29)
林凱元
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Department of Communication and Technology
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傳播與科技學系
這是一部名為愛與青春的詩篇，卻因現實與妥協而缺頁。它探討著愛的形狀，它希望我們靜靜的思考那些被遺忘的初衷。楊雅喆導演藉由三位主角微妙的互動呈現出他獨有的影視語言。
最怕清白當事人　下流正義
(2013-09-29)
彭士捷
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Department of Communication and Technology
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傳播與科技學系
由導演布萊德費曼所主導的《下流正義》之中，從身為律師的主角與代表正義的檢察官及法官之間的交鋒，佐以主角內心深處的掙扎與懊悔，可以一窺所謂的「正義」到底為何物。
追夢不晚　八十歲環島之旅
(2013-09-29)
陳彥文
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Department of Communication and Technology
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傳播與科技學系
大眾經常將「老」與「無用」劃上等號，認為老人只能夠被照顧，導演華天灝用《不老騎士——歐兜邁環台日記》告訴大家，老人不只是老人，也可以向大學生一樣熱血環島！
千甲農場上　快樂的一族
(2013-09-29)
陳祥豪
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Department of Communication and Technology
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傳播與科技學系
一群家園遭受八八風災侵襲的原住民，因為故鄉已經沒辦法生存而紛紛往都市另尋落腳地，但缺乏經濟基礎卻讓生活十分辛苦。去年引進社區供給農場的模式，才讓居民的生活漸趨穩定，也可以負擔下一代更好的生活環境。
千年陰陽師　祖孫同飆戲
(2013-09-29)
江岱燕
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Department of Communication and Technology
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傳播與科技學系
結城光流以安倍晴明的孫子為主角寫出了《少年陰陽師》，同樣以陰陽師為題材的《陰陽師》系列也是這方面很受好評的作品，究竟在不同作者的筆下，陰陽師們會以那些不同的面貌呈現在讀者面前呢？
自動調音　科技與音樂交織
(2013-09-29)
張萬邦
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Department of Communication and Technology
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傳播與科技學系
描寫autotune-機器調音對音樂風格的改變與影響。
網路無性別　老婆去當兵
(2013-09-29)
許仲廷
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Department of Communication and Technology
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傳播與科技學系
網路的匿名性帶來許多方便和隱私的保護，但是讓許多人找到機會，在網路上扮演著與本人不同性別的角色。這些人有的是為了騙取別人的愛心，獲得方便，也有的只是為了填補內心的空虛，這些人被戲稱為「網路人妖」。
手機遊戲軟體　魅力無人擋
(2013-09-29)
林庭宇
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Department of Communication and Technology
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傳播與科技學系
現今，不管收發信件、傳送訊息、娛樂消費都需要智慧型手機。其中App遊戲軟體的開發是市場中的大餅，各家廠商越能吸引消費者注目，越能獲得巨大的利益。龐大的商機下是否隱藏了抄襲疑慮，而玩家對遊戲又該如何取捨？
無懼天兔　小鴨游入高雄港
(2013-09-29)
高紫娟
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Department of Communication and Technology
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傳播與科技學系
荷蘭籍藝術家弗洛倫泰因．霍夫曼（Florentijn Hofman），於中秋假期「游進」高雄港。雖然恰巧碰上今年第十九號強颱「天兔」，仍絲毫不減觀賞人潮。
少年起飛　追尋平凡真我
(2013-09-29)
韓惠宇
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Department of Communication and Technology
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傳播與科技學系
天才的路看來順遂，小小年紀即擁有人人渴望的過人才華，然而他們的內心不過是個渴望平凡的孩子。《想飛的鋼琴少年》藉由音樂神童的視角探討對於天才的教育，也企圖帶領觀眾發現最初的自我。
愛與死　崔斯坦與伊索德
(2013-09-29)
李孟東
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Department of Communication and Technology
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傳播與科技學系
馬可王最強的武士崔斯坦為效忠對君王，伊索德為了服從父親，他們倆不得不壓抑情感，並服從命運安排，但越是壓抑，情感越發澎湃，中世紀的黑暗時代，奮不顧身的戀人，冒著失去整個世界的危險，也要在一起。
緩慢旅遊　快樂生活
(2013-09-29)
李若甄
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Department of Communication and Technology
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傳播與科技學系
印象中，旅遊常常偏重的是吃和住，每篇旅遊廣告主打的不乏大飯店住宿、美食buffet。但旅行不只是如此，除了能夠放鬆心情短暫休息外，更是一種「生活」，緩慢快樂的生活方式。網路上琳琅滿目的旅遊行程中，「緩慢旅行」正慢慢萌芽出不一樣的感動。
找回自我　那我懂你意思了
(2013-09-29)
許祐嘉
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Department of Communication and Technology
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傳播與科技學系
《那我懂你意思了》，一個以搖滾為基調，奇幻詭異作為主要曲風的樂團。至今已發行了兩張專輯，以及自製的小書並獨立發行「騷動」系列單曲。樂團的作詞作曲是主唱兼吉他手的陳修澤，在修澤所創作的音樂中，大多屬於抒發自己在生活的牢騷，並時常伴隨著悲觀與備受質疑的時事議題。