Digest of Papers. Microprocesses and Nanotechnology '99. 1999 International Microprocesses and Nanotechnology Conference最新文献

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Coulomb blockade phenomena in low-dimensional Si MOSFETs fabricated using focused-ion beam implantation 聚焦离子束注入制备低维Si mosfet中的库仑阻塞现象
H. Kondo, S. Baba, K. Izumikawa, M. Sakurai, S. Zaima, Y. Yasuda
{"title":"Coulomb blockade phenomena in low-dimensional Si MOSFETs fabricated using focused-ion beam implantation","authors":"H. Kondo, S. Baba, K. Izumikawa, M. Sakurai, S. Zaima, Y. Yasuda","doi":"10.1109/IMNC.1999.797509","DOIUrl":"https://doi.org/10.1109/IMNC.1999.797509","url":null,"abstract":"We have investigated Coulomb blockade phenomena in low-dimensional Si metal-oxide-semiconductor field-effect-transistors (MOSFETs) with the very small length and very narrow width of channel regions, which are fabricated using e-beam lithography, dry etching and focused ion beam (FIB) implantation. Coulomb blockade phenomena have been found in Si nano-wires and narrow channel Si MOSFETs. In our previous study, the conduction mechanism and Coulomb blockade phenomena in one-dimensional p-type Si wires formed by FIB implantation has been reported. In the present study, we have successfully fabricated low-dimensional p-channel Si MOSFETs, whose source/drain regions with a width of 100 nm are formed by selective FIB implantation. Coulomb blockade phenomena and magnetoresistance are examined using the sample, as a function of channel length.","PeriodicalId":120440,"journal":{"name":"Digest of Papers. Microprocesses and Nanotechnology '99. 1999 International Microprocesses and Nanotechnology Conference","volume":"106 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1999-07-06","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"124785001","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Progress in ArF single-layer resists ArF单层抗药的进展
S. Takechi, A. Otoguro, T. Arita
{"title":"Progress in ArF single-layer resists","authors":"S. Takechi, A. Otoguro, T. Arita","doi":"10.1109/IMNC.1999.797483","DOIUrl":"https://doi.org/10.1109/IMNC.1999.797483","url":null,"abstract":"We have developed chemically amplified resists with adamantylmethacrylate, which have good dry-etch resistance for 193 nm lithography. Our resist system based on 2-methyl-2-adamantylmethacrylate (2MAdMA)-mevalonic lactone methacrylate (MLMA) 1:1 copolymer, had particularly high resolution, high sensitivity and good dry-etch resistance. We achieved minimal resolution below 150 nm using a Nikon ArF exposure system with NA of 0.55. However, our resists could not obtain fine patterns consistently below 150 nm and we need to achieve good repeatability in order to apply them to LSI production. To obtain stable repeatability in resist performance, we focused on controlling the molecular weight of our resin and on reducing the environmental effect of using base compounds. Furthermore, we proposed optional materials to achieve higher sensitivity.","PeriodicalId":120440,"journal":{"name":"Digest of Papers. Microprocesses and Nanotechnology '99. 1999 International Microprocesses and Nanotechnology Conference","volume":"1 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1999-07-06","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"121978243","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
The effect of mixing development method on CD uniformity 混合显影方式对CD均匀性的影响
H. Nakamura, T. Ema, K. Hayasaki, S. Ito, K. Okumura
{"title":"The effect of mixing development method on CD uniformity","authors":"H. Nakamura, T. Ema, K. Hayasaki, S. Ito, K. Okumura","doi":"10.1109/IMNC.1999.797524","DOIUrl":"https://doi.org/10.1109/IMNC.1999.797524","url":null,"abstract":"It is required that the wafer size is bigger and the pattern size is finer, Bigger wafer size needs the CD uniformity in wider area and finer pattern size needs more uniform CDs. Mixing development method was found to improve CD uniformity. The effect will be reported.","PeriodicalId":120440,"journal":{"name":"Digest of Papers. Microprocesses and Nanotechnology '99. 1999 International Microprocesses and Nanotechnology Conference","volume":"875 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1999-07-06","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"126269126","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 3
Control of initial layer for low temperature and high deposition rate polycrystalline silicon film formation process 控制初始层为低温高沉积速率多晶硅薄膜的形成过程
K. Murata, M. Hori, T. Goto
{"title":"Control of initial layer for low temperature and high deposition rate polycrystalline silicon film formation process","authors":"K. Murata, M. Hori, T. Goto","doi":"10.1109/IMNC.1999.797552","DOIUrl":"https://doi.org/10.1109/IMNC.1999.797552","url":null,"abstract":"In this study, the two step growth (TSG) method has been demonstrated to satisfy thin interface layer, the high crystallinity and high deposition rate of poly-Si film, at the same time. In the TSG, firstly the seed layer was formed without charged species, that is, with neutral species. Then, the poly-Si film was subsequently grown on the seed layer with charged species. The effects of ion bombardment on the nucleation of poly-Si films at the initial growth stage are intensively discussed.","PeriodicalId":120440,"journal":{"name":"Digest of Papers. Microprocesses and Nanotechnology '99. 1999 International Microprocesses and Nanotechnology Conference","volume":"37 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1999-07-06","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"134067939","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Self-organized formation of widegap II-VI quantum structures and their optical properties 宽间隙II-VI量子结构的自组织形成及其光学性质
T. Yao
{"title":"Self-organized formation of widegap II-VI quantum structures and their optical properties","authors":"T. Yao","doi":"10.1109/IMNC.1999.797455","DOIUrl":"https://doi.org/10.1109/IMNC.1999.797455","url":null,"abstract":"Widegap II-VI materials are characterized by the direct bandgap with either Zinc Blend or Wurtzite structures. They have relatively large exciton binding energy and electron-phonon coupling. Those characteristics make the materials very attractive both from scientific points of views and optical device application aspects. The purpose of this talk is to introduce the fabrication of quantum structures of widegap II-VI materials and their optical properties. The materials system we will discuss includes (1) ZnSe quantum structures embedded in ZnS, (2) Mn-doped ZnSe quantum structures embedded in ZnS, (3) CdSe quantum dots on ZnSe, and (4) ZnO quantum dots.","PeriodicalId":120440,"journal":{"name":"Digest of Papers. Microprocesses and Nanotechnology '99. 1999 International Microprocesses and Nanotechnology Conference","volume":"32 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1999-07-06","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"132556777","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Effects of hydrogen on the formation of SiGe/Si heterostructures 氢对SiGe/Si异质结构形成的影响
Y. Yasuda, M. Okada
{"title":"Effects of hydrogen on the formation of SiGe/Si heterostructures","authors":"Y. Yasuda, M. Okada","doi":"10.1109/IMNC.1999.797551","DOIUrl":"https://doi.org/10.1109/IMNC.1999.797551","url":null,"abstract":"In this report, we review and discuss our results obtained on the surface segregation of Ge atoms and surfactant effects of hydrogen atoms in Si overlayer growth on Ge/Si(100) by gas-source molecular beam epitaxy (GSMBE) using GeH/sub 4/ and Si/sub 2/H/sub 6/. The layer-by-layer growth rate of the Si overlayers was observed in-situ by reflection high-energy electron diffraction (RHEED) intensity oscillation periods.","PeriodicalId":120440,"journal":{"name":"Digest of Papers. Microprocesses and Nanotechnology '99. 1999 International Microprocesses and Nanotechnology Conference","volume":"8 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1999-07-06","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"132925930","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Change in optical properties of sapphire substrates by co-implantation of high-energy Zn and O ions 高能Zn和O离子共注入对蓝宝石衬底光学性能的影响
S. Nakao, M. Ikeyama, T. Mizota, H. Niwa, K. Saitoh, Y. Miyagawa, S. Miyagawa, M. Tazawa, Ping Jin
{"title":"Change in optical properties of sapphire substrates by co-implantation of high-energy Zn and O ions","authors":"S. Nakao, M. Ikeyama, T. Mizota, H. Niwa, K. Saitoh, Y. Miyagawa, S. Miyagawa, M. Tazawa, Ping Jin","doi":"10.1109/IMNC.1999.797520","DOIUrl":"https://doi.org/10.1109/IMNC.1999.797520","url":null,"abstract":"Ion implantation technique is a convenient way to form nano-particles into host materials. Moreover, there is a possibility to form oxide compound nano-particles by way of co-implantation of metal and oxygen ions. However, there are few reports on the formation of metal oxide nano-particles by way of co-implantation. On the other hand, ZnO is a semiconductor materials with wide and direct band gap, and their nano-crystals have attracted much attention because they could be applicable for optical devices showing blue luminescence. Moreover, it is known that ZnO films can be grown epitaxially on sapphire substrates. By analogy, it is presumably considered that ZnO nano-particles are also grown with orientation relation of sapphire substrates. The aim of this study is to form ZnO nano-particles by way of coimplantation of Zn and O ions into host materials. In this experiments, for the first attempt, Zn and O ions were co-implanted into sapphire substrates, and the change in their optical properties were examined.","PeriodicalId":120440,"journal":{"name":"Digest of Papers. Microprocesses and Nanotechnology '99. 1999 International Microprocesses and Nanotechnology Conference","volume":"33 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1999-07-06","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"133184334","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
System LSI; the engine of the semiconductor industry 系统大规模集成电路;半导体产业的引擎
F. Nakamura
{"title":"System LSI; the engine of the semiconductor industry","authors":"F. Nakamura","doi":"10.1109/IMNC.1999.797447","DOIUrl":"https://doi.org/10.1109/IMNC.1999.797447","url":null,"abstract":"In this paper, system LSI as a key element of digital consumer electronics products, basic technologies of system LSI, and the market trend have been presented. Towards the 21st century, a new generation of digital consumer electronics will feature network solution such as End-to-End network and Terminal-to-Terminal network. The key technologies here are merging memory, high performance processor, DSP, and high-speed interface technologies as well as software solutions for multimedia processing and device control. We would like to discuss the requirements for LSI performance to realize a novel network LSI solution.","PeriodicalId":120440,"journal":{"name":"Digest of Papers. Microprocesses and Nanotechnology '99. 1999 International Microprocesses and Nanotechnology Conference","volume":"5 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1999-07-06","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"133410203","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 1
0.32 /spl mu/m pitch on-gird random line pattern formation by dense dummy pattern and double exposure in KrF wavelength 在KrF波长下,通过密集虚拟模式和双重曝光形成0.32 /spl mu/m间距的网上随机线模式
S. Nakao, K. Tsujita, I. Arimoto, W. Wakamiya
{"title":"0.32 /spl mu/m pitch on-gird random line pattern formation by dense dummy pattern and double exposure in KrF wavelength","authors":"S. Nakao, K. Tsujita, I. Arimoto, W. Wakamiya","doi":"10.1109/IMNC.1999.797495","DOIUrl":"https://doi.org/10.1109/IMNC.1999.797495","url":null,"abstract":"0.32 /spl mu/m pitch on-grid random line pattern formation by double exposure is proposed based on optical image calculations. For first exposure, mask patterns consist with designed patterns and dummy patterns, which are laid out at all on-grid positions with the pitch of 0.32 /spl mu/m, and attenuated phase shift mask and annular illumination are applied. The imaging performance is significantly enhanced because all patterns in the mask are categorized \"dense\" with the same pitch. The mask pattern for the second exposure is simply generated from the designed pattern with resizing by appropriate amount. The pattern size in this mask becomes much larger than that in the first exposure mask. Consequently, large exposure latitude can be obtained by conventional exposure method. As a result, the 0.32 /spl mu/m pitch on-grid random line patterns are formed with DOF larger than 0.6 /spl mu/m in KrF wavelength.","PeriodicalId":120440,"journal":{"name":"Digest of Papers. Microprocesses and Nanotechnology '99. 1999 International Microprocesses and Nanotechnology Conference","volume":"1 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1999-07-06","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"131147034","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Low energy e-beam proximity lithography (LEEPL) 低能电子束接近光刻(LEEPL)
T. Utsumi
{"title":"Low energy e-beam proximity lithography (LEEPL)","authors":"T. Utsumi","doi":"10.1109/IMNC.1999.797462","DOIUrl":"https://doi.org/10.1109/IMNC.1999.797462","url":null,"abstract":"Low energy e-beam proximity lithography (LEEPL) is proposed for integrated circuit lithography for the minimum feature size less than 0.1 /spl mu/m. This e-beam lithography is similar to optical proximity lithography except that photons are replaced by low energy electrons. Our new concept is based on an e-beam of 2 kV instead of 10 kV which has been used in early 80s by IBM. The great advantage of a low energy e-beam is that one can use 0.5 /spl mu/m thick silicon membrane mask without an absorbing metal layer of high atomic number. This thickness is sufficiently thin enough to fabricate Si stencil mask with feature size less than O. 1 /spl mu/m. Further more it is sufficiently thick to conduct heat away to peripheral bulk to keep the mask temperature acceptably low and sufficiently strong enough to support a few cm square membrane area. To write VLSI pattern on this mask membrane does not requires OPC (optical proximity correction), PSM (phase shift mask feature) and PEC (proximity effect correction) as in the case of advanced photo masks. The residual mask distortion caused by both stress relief during the mask fabrication and the framing the mask can be corrected by a fine tuning deflector built in the e-beam column. For mask heating distortion due to the e-beam irradiation, we estimate maximum lateral distortion as 10 nm at the power input of 6 mW for 1 cmx1 cm mask area. This input power corresponds to 3 /spl mu/A of the beam current and it has a power of exposing 120 wafers of 12 inch diameter per hour at an exposure dose of 0.2 /spl mu/C/cm/sup 2/. This exposure dose corresponds to the resist sensitivity of 1 /spl mu/C/cm/sup 2/ at 10 kV, which is typical for this type of application.","PeriodicalId":120440,"journal":{"name":"Digest of Papers. Microprocesses and Nanotechnology '99. 1999 International Microprocesses and Nanotechnology Conference","volume":"110 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1999-07-06","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"115733118","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
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