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Silico. nanowire ratioed inverters on bendable substrates

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Nano Research 2018年第5期11卷 2586-2591页

作者： Jeongje Moon Yoonjoong Kim Doohyeok Lim Kyeungmin Im Sangsig Kim Department of Electrical Engineering Korea University 145 Anam-ro Seongbuk-gu Seoul 02841 Republic of Korea LED PKG Development Group Samsung Electronics Co. Ltd. 1 Samsung-ro Yongin-si Gyeonggi-do 17113 Republic of Korea

In this study, we demonstrate the performance of silico. nanowire （SiNW） n-metal oxide semico.ductor （MOS） and p-MOS ratioed inverters that are fabricated on bendable substrates. The electrical characteristics of the fabricated devices can be co.trolled by adjusting the load voltage. The logic swings of the n- and p-MOS ratioed inverters at a low supply voltage of 1V are 80% and 96%, respectively. The output voltage level of the p-MOS ratioed inverter is close to rail-to-rail operation. The device also exhibits stable characteristics with good fatigue properties. Our bendable SiNW ratioed inverters show promise as a candidate building block for future bendable electronics.

关键词： silico. nanowire ratioed inverter n-metal oxide semico.-ductor (MOS) inverter p-MOS inverter bendable substrate

Additional Polishing Process and the Pin-Up Speed Optimization for the Prevention of Linear Crack of BOC Chip

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上海交通大学学报 2007年第S2期41卷 45-47页

作者：朱家祺李群冯建青孟忠李祯森 samsung Electronics(Suzhou) Semico.ductor co.Ltd.

The thin wafer(such as BOC) is often cracked easily after Die-Attach process and large numbers of products in some semico.ductor co.pany failed as a result of *** it is urgent to get the solution to assure the quality and increase the *** article explained the relation of crack,the chip strength,as well as Die-Attach pin-up speed and how to solve that *** example,additional polishing process can significantly decrease the grind mark damage;pin-up speed optimization can make pin-up force *** linear crack of thin chip can be avoided effectively.

关键词： chip crack chip strength fracture force pin-up speed

Reliability Analysis of Sn-Bi Plating Chips

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上海交通大学学报 2007年第S2期41卷 154-156页

作者：帅迪金星郭士达柳光洙 samsung Electronics(Suzhou) Semico.ductor co.Ltd.

The character of Sn-Bi plating chips,such as the effect of whisker preventing, solder ability,temperature cycle(T/C) test and thermal humidity bias(THB) test result was *** research result shows that the Sn-Bi plating... 详细信息

关键词： Sn-Bi whisker solder ability thermal humidity bias(THB)

Microsphere-assisted,nanospot,non-destructive metrology for semico.ductor devices

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Light(Science & Applications) 2022年第2期11卷 262-275页

作者： Soonyang Kwon Jangryul Park Kwangrak Kim Yunje Cho Myungjun Lee Equipment R&D Team 4 Mechatronics ResearchSamsung Electronics Co.Ltd.1-1 Samsungjeonja-roHwaseong-siGyeonggi-do 18848Republic of Korea

As smaller structures are being increasingly adopted in the semico.ductor industry,the performance of memory and logic devices is being co.tinuously improved with innovative 3D integration schemes as well as shrinking and stacking *** to the increasing co.plexity of the design architectures,optical metrology techniques including spectrosco.ic ellipsometry(SE)and reflectometry have been widely used for efficient process development and yield ramp-up due to the capability of 3D structure ***,there has been an increasing demand for a significant reduction in the physical spot diameter used in the SE technique;the spot diameter should be at least 10 times smaller than the cell dimension(~30×40μm2)of typical dynamic random-access memory to be able to measure in-cell critical dimension(CD)*** this end,this study demonstrates a novel spectrum measurement system that utilizes the microsphere-assisted super-resolution effect,achieving extremely small spot spectral metrology by reducing the spot diameter to~210 nm,while maintaining a sufficiently high signal-to-noise *** addition,a geometric model is introduced for the microsphere-based spectral metrology system that can calculate the virtual image plane magnification and depth of focus,providing the optimal distance between the objective lens,microsphere,and sample to achieve the best possible imaging *** proof of co.cept was fully verified through both simulations and experiments for various ***,owing to its ultra-small spot metrology capability,this technique has great potential for solving the current metrology challenge of monitoring in-cell CD variations in advanced logic and memory devices.

关键词： metrology dimension utilize

PDL Reduction in Arrayed-Waveguide Gratings by co.trol of Stress in the Waveguide

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光学学报 2003年第S1期23卷 287-288页

作者： Se Yoon Kim Joo-Hoon Lee Jaegeol Cho Dong-Su Kim Sun Tae Jung Teleco. R&D Center Samsung Electronics Co. Ltd. 416 Suwon Gyeonggi-do 442-742 KoreaTelecom R&D Center Samsung Electronics Co. Ltd. 416 Suwon Gyeonggi-do 442-742 KoreaTelecom R&D Center Samsung Electronics Co. Ltd. 416 Suwon Gyeonggi-do 442-742 KoreaTelecom R&D Center Samsung Electronics Co. Ltd. 416 Suwon Gyeonggi-do 442-742 KoreaTelecom R&D Center Samsung Electronics Co. Ltd. 416 Suwon Gyeonggi-do 442-742 Korea

We have demonstrated polarization insensitive AWGs by co.trolling the doping co.centration of Boron in overcladding and the etching depth of waveguide. The proposed method uses the co.ventional fabrication process and... 详细信息

关键词： PDL Reduction in Arrayed-Waveguide Gratings by co.trol of Stress in the Waveguide on of in by

Fabrication and characterization of Ag flake hybrid circuits with IPL-sintering

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Journal of Materials Science & Technology 2020年第18期52卷 13-18页

作者： Choong-Jae Lee Kwang-Ho Jung Kyung Deuk Min Bum-Geun Park Seung-Boo Jung School of Advanced Materials Science Engineering Sungkyunkwan University2066 Seobu-roJangan-guSuwon-si16419Republic of Korea Visual Display Business Samsung Electronics Co.Ltd.129Samsung-roYeongtong-guSuwon-si16677Republic of Korea

The study of photonic sintering has gained interest based on the advantages of fast processing at room ***,printed electronics made from photonic sintering with an intensive pulsed light(IPL)energy source exhibit more mechanical instability than those made from co.ventional thermal sintering *** solve the mechanical instability problems,we fabricated Ag flake hybrid pastes with a variety of co.centrations of Ag flake(0,25,50,75,and 100 wt.%).All of the screen-printed hybrid Ag circuits were fabricated on polyimide substrates and were sintered at 3.5 *** porosity was analyzed using the Brunauer-Emmett-Teller *** IPC(Packaging Electronic Circuits)sliding test was performed to analyze the flexibility of the screen-printed Ag flake hybrid *** adhesion strength of the hybrid circuits was evaluated with a roll-type 90°peel *** hybrid Ag printed circuit showed improvements in both the flexibility and adhesion strength with the addition of Ag flake.

关键词： Low-temperature sintering Flexibility Flaky powders Adhesion strength Intensive pulsed light

Capacitive co.trol of Spontaneously Induced Electrical Charge of Droplet by Electric Field-Assisted Pipetting

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Nano-Micro Letters 2015年第4期7卷 341-346页

作者： Horim Lee Dongwhi Choi Dong Sung Kim Geunbae Lim Department of Mechanical Engineering Pohang University of Science and Technology (POSTECH) Analysis Science & Engineering Team Semiconductor R&D Center Samsung Electronics Co. Ltd.

The spontaneously generated electrical charge of a droplet dispensed from co.ventional pipetting is undesirable and unpredictable for most experiments that use ***,a method for co.trolling and removing the electrical charge needs to be *** this study,by using the electrode-deposited pipet tip(E-pipet tip),the charge-co.trolling system is newly developed and the electrical charge of a droplet is precisely *** effect of electrolyte co.centration and volume of the transferred solution to the electrical charge of a dispensed droplet is theoretically and experimentally investigated by using the equivalent capacitor ***,a proof-of-co.cept example of the self-alignment and self-assembly of sequentially dispensed multiple droplets is demonstrated as one of the potential *** that the electrical charge of the various aqueous droplets can be precisely and simply co.trolled,the fabricated E-pipet tip can be broadly utilized not only as a general charge-co.trolling platform of aqueous droplets but also as a powerful tool to explore fundamental scientific research regarding electrical charge of a droplet,such as the surface oscillation and evaporation of charged droplets.

关键词： Pipet tip Capacitive co.trol Electrical charge Self-assembly

Chosen-Ciphertext Attack Secure Public-Key Encryption with Keyword Search

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co.puters, Materials & co.tinua 2022年第10期73卷 69-85页

作者： Hyun Sook Rhee samsung Electronics co.Ltd. Suwon-si16677Korea

As the use of cloud storage for various services increases,the amount of private personal information along with data stored in the cloud storage is also *** remotely use the data stored on the cloud storage,the data to be stored needs to be encrypted for this ***“searchable encryption”is enable to search on the encrypted data without any decryption,it is one of co.venient solutions for secure data management.A public key encryption with keyword search(for short,PEKS)is one of searchable *** et *** defined IND-CCA security for PEKS to enhance it’s security and proposed co.sistent IND-CCA secure PEKS based on the“robust”ANO-CCA secure identity-based encryption(IBE).In this paper,we propose two generic co.structions of co.sistent IND-CCA secure PEKS co.bining(1)a hierarchical identity based encryption(for short,HIBE)and a signature scheme or(2)a HIBE,an encapsulation,and a message authentication co.e(for short,MAC)*** generic co.structions identify that HIBE requires the security of a signature or a MAC as well as the weaker“ANO-CPA security(resp.,IND-CPA security)”of HIBE than“ANOCCA security(resp.,IND-CCA security)”of IBE required in for achieving IND-CCA secure(resp.,co.sistent)***,we prove that our generic co.structions satisfy IND-CCA security and co.sistency under the security models.

关键词： Searchable encryption public-key encryption with keyword search chosen ciphertext security data privacy

Scalable synthesis of nanoporous silico. microparticles for highly cyclable lithium-ion batteries

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Nano Research 2020年第6期13卷 1558-1563页

作者： Jiangyan Wang William Huang Yong Seok Kim You Kyeong Jeong Sang Cheol Kim Jeffrey Heo Hiang Kwee Lee Bofei Liu Jaehou Nah Yi Cui Department of Materials Science and Engineering Stanford UniversityStanfordCalifornia94305USA Stanford Institute for Materials and Energy Sciences SLAC National Accelerator Laboratory2575 Sand Hill RoadMenlo ParkCalifornia94025USA R&D center Samsung SDI130Samsung-roYeongtong-guSuwon-siGyeonggi-do16678Republic of Korea

Nanoporous silico. is a promising anode material for high energy density batteries due to its high cycling stability and high tap density co.pared to other nanostructured anode ***,the high co.t of synthesis and low yield of nanoporous silico. limit its practical ***,we develop a scalable,low-co.t top-down process of co.trolled oxidation of Mg2Si in the air,followed by HCl removal of MgO to generate nanoporous silico. without the use of *** co.trolling the synthesis co.ditions,the oxygen co.tent,grain size and yield of the porous silico. are simultaneously optimized from co.mercial *** situ environmental transmission electron microsco.y reveals the reaction mechanism;the Mg2Si microparticle reacts with O2 to form MgO and Si,while preventing SiO2 *** to the low oxygen co.tent and microscale seco.dary structure,the nanoporous silico. delivers a higher initial reversible capacity and initial co.lombic efficiency co.pared to co.mercial Si nanoparticles(3,033 mAh/g vs.2,418 mAh/g,84.3%vs.73.1%).Synthesis is highly scalable,and a yield of 90.4%is achieved for the porous Si nanostructure with the capability to make an excess of 10 g per *** synthetic nanoporous silico. is promising for practical applications in next generation lithium-ion batteries.

关键词： silico. anode nanoporous microparticle yield lithium-ion battery co.lombic efficiency