Výsledky vyhledávání - "Toshihiko Omote"

Photochemical Behavior of Nifedipine Derivatives and Application to Photosensitive Polymers

Autor: Kazuhiko Naitoh, Toshihiko Omote, S. Yokoyama, Tsuguo Yamaoka, K. Yoshida

Publikováno v: Journal of Photopolymer Science and Technology. 7:293-298

Photochemical conversion of 4-(2′-nitrophenyl)-1, 4-dihydropyridine derivatives was found to act as a chromophore for photosensitive polyimide precursors giving a dual imaging-mode characteristics. The sensitivities and contrasts for the negative a

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::8035c99fc1c539d75b2fad16c7a5277f
https://doi.org/10.2494/photopolymer.7.293

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Photoreactive fluorinated polyimide protected by a tetrahydropyranyl group (THP) based on photo-induced acidolysis

Autor: Tsuguo Yamaoka, Kazuhisa Ishii, Syun'ichi Hayashi, Kazuhiko Naitoh, Toshihiko Omote

Publikováno v: Polymers for Advanced Technologies. 4:277-287

A polyimide (6F-THP) with a tetrahydropyranyl group (THP) in its side chain has been synthesized. The THP group exhibits a high acidolysis rate in this polymer's film. This rate was faster than that of a tertbutoxycarbonyl group (t-BOC), which has be

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::61ea594596dc5523a094d1457facc688
https://doi.org/10.1002/pat.1993.220040408

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Recent developments and difficulties of photosensitive polyimides

Autor: Tsuguo Yamaoka, Toshihiko Omote

Publikováno v: Journal of Photopolymer Science and Technology. 6:283-290

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::f254cc0a3ba3447052d7437482f19bd0
https://doi.org/10.2494/photopolymer.6.283

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A new positive-type photoreactive polyimide precursor using 1,4-dihydropyridine derivative

Autor: Toshihiko Omote, Tsuguo Yamaoka

Publikováno v: Polymer Engineering and Science. 32:1634-1641

A novel positive-type polyimide precursor (BPDA/DDE) has been developed and examined. It is synthesized by the polycondensation of biphenyltetracarboxylic acid dianhydride and 4,4'-diamino-diphenyl ether, based on systems composed of dimethyl 1,4-dih

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::319bcc3900e1b5bb83f419fc55fe87c9
https://doi.org/10.1002/pen.760322117

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Photosensitive Polyimide Protected by Tetrahydropyranyl Group Based on Chemical Amplification

Autor: Tsuguo Yamaoka, Toshihiko Omote, Kazuhisa Ishii, Kazuhiko Naitoh

Publikováno v: Journal of Photopolymer Science and Technology. 5:339-342

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::bf3db75fdff105d27e38b271acbbe06c
https://doi.org/10.2494/photopolymer.5.339

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Photoreactive Fluorinated Polyimide Protected by Tetrahydropyranyl Group(THP) Based on Photoinduced Acidolysis. Properties and kinetics for acidolysis

Autor: Kazuhisa Ishii, Tsuguo Yamaoka, Shunichi Hayashi, Toshihiko Omote, Kazuhiko Naitoh

Publikováno v: Journal of Photopolymer Science and Technology. 5:323-326

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::d05b67763ea0894f05dcc86e1085c1f7
https://doi.org/10.2494/photopolymer.5.323

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Fluorine-containing photoreactive polyimide. 6. Synthesis and properties of a novel photoreactive polyimide based on photo-induced acidolysis and the kinetics for its acidolysis

Autor: Ken'ichi Koseki, Toshihiko Omote, Tsuguo Yamaoka

Publikováno v: Macromolecules. 23:4788-4795

Un polyimide contenant des motifs phenols proteges par des groupes t-butoxycarbonyl est prepare et la cinetique d'acydolyse photo- ou thermoinduite des groupes protecteurs est etudiee. La deprotection entrai←ne la dissolution du polyimide en milieu

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::2a3356c762f531a8dadb82d8eafa13c8
https://doi.org/10.1021/ma00224a007

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Fluorine-containing photoreactive polyimide. 7. Photochemical reaction of pendant 1,2-naphthoquinone diazide moieties in novel photoreactive polyimides

Autor: Ken'ichi Koseki, Tsuguo Yamaoka, Hideaki Mochizuki, Toshihiko Omote

Publikováno v: Macromolecules. 23:4796-4802

Les groupes diazo 1,2-naphtoquinone (NQD) sont fixes par esterification des groupes alcools du polyimide de depart. Selon la proportion des motifs NQD, les polyimides presentent un caractere de resist positif avec un revelateur aqueux basique ou un c

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::03c90c3423ce280414f1999fb6197947
https://doi.org/10.1021/ma00224a008

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Fluorine-containing photoreactive polymide 5: A novel positive-type polyimide based on photoinduced acidolysis

Autor: Tsuguo Yamaoka, Toshihiko Omote, Ken'ichi Koseki

Publikováno v: Journal of Polymer Science: Polymer Letters Edition. 28:59-64

Protected polyimide [N(CO) 2 Ph-C(CF 3 ) 2 -Ph(CO) 2 N-Ph(OCOOtBu)-C(CF 3 ) 2 -Ph(OCOOtBu)] n was prepared by polycondensation showed excellent lithographic performance in combination with the photoacid generator

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::4968be2314598a74bc4effde6342e173
https://doi.org/10.1002/pol.1990.140280204

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