Výsledky vyhledávání - "Haruo Iwasawa"

P-5: Solution-Processed SiO2Films Using Hydrogenated Polysilane Based Liquid Materials

Autor: Hideki Tanaka, Masahiro Furusawa, Daohai Wang, Takashi Aoki, Tatsuya Shimoda, Haruo Iwasawa, Yasuo Matsuki, Ichio Yudasaka

Publikováno v: SID Symposium Digest of Technical Papers. 38:188-191

Polycrystalline silicon thin-film transistors (poly-Si TFTs) have been fabricated using solution-processed SiO2 films made from a polysilane-based liquid precursor. Spin-coating this precursor, which already had been reported as a precursor for silic

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::b3a9631b9c984b8e90f2257fcfb0cd26
https://doi.org/10.1889/1.2785260

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Solution-processed silicon films and transistors

Autor: Hideki Tanaka, Masahiro Furusawa, Masami Miyasaka, Daohai Wang, Takashi Aoki, Yasumasa Takeuchi, Yasuo Matsuki, Haruo Iwasawa, Tatsuya Shimoda, Ichio Yudasaka

Publikováno v: Nature. 440:783-786

The manufacture of silicon semiconductor devices involves complicated photolithography and expensive machinery, so many researchers are seeking alternative semiconductor materials that can be handled by simple processes such as spin-coating or printi

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::def6fb84c900bed4de2a06bb28f997c0
https://doi.org/10.1038/nature04613

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Development of SSQ Based 157nm Photoresist

Autor: Raymond J. Hung, Takashi Chiba, Haruo Iwasawa, Akihiro Hayashi, Noboru Yamahara, Tsutomu Shimokawa

Publikováno v: Journal of Photopolymer Science and Technology. 16:591-594

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::b3ed6666b0514e3e0c7ae77476a85187
https://doi.org/10.2494/photopolymer.16.591

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Development of SSQ Based 157 nm Photoresist

Autor: Akihiro Hayashi, Raymond J. Hung, Tsutomu Shimokawa, Noboru Yamahara, Haruo Iwasawa, Mikio Yamachika

Publikováno v: Journal of Photopolymer Science and Technology. 15:693-698

Siloxane/silsesquioxane (SSQ) and fluorocarbon materials have been identified to be relatively transparent at 157nm. While the main stream of material research effort has been focused on the synthesis of fluorocarbon polymers, we have made significan

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::b2090b1e4ecbf2362e8b8835467c0d1c
https://doi.org/10.2494/photopolymer.15.693

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Spin-on n-Type Silicon Films Using Phosphorous-doped Polysilanes

Autor: Daohai Wang, Yasuo Matsuki, Masahiro Furusawa, Haruo Iwasawa, Takashi Aoki, Tatsuya Shimoda, Naoyuki Toyoda, Ichio Yudasaka, Hideki Tanaka

Publikováno v: Japanese Journal of Applied Physics. 46:L886-L888

We have developed a liquid precursor that can be used in a solution process to form n-type doped silicon films. This precursor is based on phosphorus-doped hydrogenated polysilane synthesized by photo-copolymerizing cyclopentasilane and white phospho

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::452d9afd0e8477d8be617d552cfe2515
https://doi.org/10.1143/jjap.46.l886

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Highly enantioselective creation of quaternary carbons in a halolactonization of bis-γ,δ-unsaturated carboxylic imides derived from a camphorsultam: Enantioselective synthesis of (+)-mesembrine

Autor: Tsutomu Yokomatsu, Haruo Iwasawa, Shiroshi Shibuya

Publikováno v: Tetrahedron Letters. 33:6999-7002

Iodolactonization of symmetrical diene-carboxylic imides (3a,b), derived from a camphorsultam, afforded chiral lactones (5) and (6) possessing aromatic substituents on quaternary carbons in high enantioselectivity with moderate diastereoselectivity.

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::cbe2e6f6ce78ed4490bcd0bd45827eb0
https://doi.org/10.1016/s0040-4039(00)60916-4

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[Bacterial present in the xylem of coffee (Rubiaceae: coffea arabica) with 'Crespera' disease]

Autor: Luis, Vargas Cartagena, Ethel, Sánchez, Maribel, Vargas, Arturo, Solórzano, Francisco, Hernández, Haruo, Iwasawa, Enrique, Freer

Publikováno v: Revista de biologia tropical. 50(1)

"Crespera" is an infectious disease of coffee plants that affects both the coffee production and the economy of the coffee producer countries. This disease affects morphologically the plant: long and narrow leaves with wavy borders and marginal necro

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=pmid________::6b3b115553a3e6e7db11e5beafb94e54
https://pubmed.ncbi.nlm.nih.gov/12298265

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ArF single-layer photoresists based on alkaline-developable ROMP-H resin

Autor: Shin-Ichiro Iwanaga, Mitsuhito Suwa, Toru Kajita, Masafumi Yamamoto, Haruo Iwasawa

Publikováno v: SPIE Proceedings.

Novel ArF single layer photoresists, which are based on new type of alicyclic polymers prepared by ROMP (Ring Opening Metathesis Polymerization), are reported. Norbornenes with ester group were mainly used as monomers for polymerization. The prepared

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::28234389479b36fb678e4bc5824b7275
https://doi.org/10.1117/12.312419

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