Inari Inc

Draper, UT, United States

Inari Inc

Draper, UT, United States
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Parajuli D.,Japan National Institute of Advanced Industrial Science and Technology | Kitajima A.,Japan National Institute of Advanced Industrial Science and Technology | Takahashi A.,Japan National Institute of Advanced Industrial Science and Technology | Tanaka H.,Japan National Institute of Advanced Industrial Science and Technology | And 7 more authors.
Journal of Environmental Radioactivity | Year: 2016

Cs decontamination efficiencies of the composites of iron hexacyanoferrate nanoparticles were investigated in comparison with commercial Prussian blue and natural zeolite. In pure water solution, the adsorption rate varied with sizes. In ash extract, where Cs adsorbing ability of zeolite was sharply dropped due to its poor selectivity, the impact of coexisting ions was negligible for FeHCF. FeHCF-n11, having the finest primary and secondary particle size, resulted the highest distribution coefficient, which was comparable to the high efficiency analogues, CoHCF or NiHCF. This observation suggested the possibility of preparing the high performance FeHCF by particle size and composition adjustment. FeHCF nanoparticle in bead form was tested for the removal of radioactive Cs in pilot scale. Due to larger secondary particle size, pronounced effect of solution temperature on the Cs adsorption kinetics on FeHCF bead was observed. Adjusting the mass of the adsorbent for the given solution temperature is recommended for achieving high decontamination rate. © 2015 Elsevier Ltd.


PubMed | Japan National Institute of Advanced Industrial Science and Technology, Inari Inc and Tokyo Power Technology Ltd.
Type: | Journal: Journal of environmental radioactivity | Year: 2015

Cs decontamination efficiencies of the composites of iron hexacyanoferrate nanoparticles were investigated in comparison with commercial Prussian blue and natural zeolite. In pure water solution, the adsorption rate varied with sizes. In ash extract, where Cs adsorbing ability of zeolite was sharply dropped due to its poor selectivity, the impact of coexisting ions was negligible for FeHCF. FeHCF-n11, having the finest primary and secondary particle size, resulted the highest distribution coefficient, which was comparable to the high efficiency analogues, CoHCF or NiHCF. This observation suggested the possibility of preparing the high performance FeHCF by particle size and composition adjustment. FeHCF nanoparticle in bead form was tested for the removal of radioactive Cs in pilot scale. Due to larger secondary particle size, pronounced effect of solution temperature on the Cs adsorption kinetics on FeHCF bead was observed. Adjusting the mass of the adsorbent for the given solution temperature is recommended for achieving high decontamination rate.


Watanabe N.,Japan National Institute of Advanced Industrial Science and Technology | Nemoto S.,Japan National Institute of Advanced Industrial Science and Technology | Kikuchi K.,Japan National Institute of Advanced Industrial Science and Technology | Aoyagi M.,Japan National Institute of Advanced Industrial Science and Technology | And 3 more authors.
Proceedings of the 16th Electronics Packaging Technology Conference, EPTC 2014 | Year: 2014

We conducted a basic evaluation of Au micro-bumps formed by cyanide-free electroless Au plating. The Au micro-bump diameter was approximately 10 μm. Bump height measurement, bump shear testing, and X-ray photoelectron spectroscopy of the Au surface were performed after Au micro-bump formation. Scanning ion microscope observation of the bonding interface, chip shear testing, four-terminal measurement, and daisy chain measurement were performed after flip-chip bonding. The results show that the Au micro-bumps have good mechanical and electrical properties. © 2014 IEEE.


Watanabe M.,University of Tsukuba | Watanabe M.,The Interdisciplinary Center | Tsuchiya K.,Inari Inc | Shinnai T.,Inari Inc | And 2 more authors.
Macromolecules | Year: 2012

Polythiophene bearing a 2-phenylnaphthalene side group at 3-position was synthesized from a 2,5-dibromothiophene monomer by two polymerization methods, i.e., Yamamoto dehalogenative polycondensation using Ni(cod) 2 and Ni-catalyzed chain-growth polymerization. Polymers prepared by the former method had good solubility for organic solvents, 6300-8400 g mol -1 of number-average molecular weights, absorption bands at around 300 and 385 nm due to π-π* transitions at the phenylnaphthalene moiety and polythiophene backbone, a main fluorescence emission band at around 540 nm from the polythiophene backbone in solution and film state, and presence of enantiotropic liquid crystalline phases which enabled to construct an arrayed state. On the other hand, the latter polymer showed considerably red-shifted absorption and emission bands at around 444 and 585 nm in solution and 509 and 720 nm in film state respectively, but had poor solubility and unresolved mesophases. © 2012 American Chemical Society.


Lee K.-M.,Japan National Institute of Advanced Industrial Science and Technology | Asai M.,Japan National Institute of Advanced Industrial Science and Technology | Uchida T.,Japan National Institute of Advanced Industrial Science and Technology | Kawamoto T.,Japan National Institute of Advanced Industrial Science and Technology | And 7 more authors.
Chemistry Letters | Year: 2016

Hydrous pyrolysis using superheated steam was demonstrated for safe storage of a radioactive-Cs-adsorbed adsorbent based on Prussian blue. Iron oxidation and CN decomposition in the adsorbent were observed at 500°C. After hydrous pyrolysis, almost all the adsorbed Cs remained in the decomposition products. Results show that this method effectively avoids thermal runaway caused by exothermic reactions like iron oxide formation. © 2016 The Chemical Society of Japan.


Murakami Y.,Inari Inc | Ishikawa N.,Inari Inc
Advanced Metallization Conference (AMC) | Year: 2010

We developed a novel post Cu-CMP cleaning solution containing a new corrosion inhibitor for Cu. Because this new inhibitor has a high performance for suppressing Cu corrosion in acidic solution, our post Cu-CMP cleaning solution consists of this new inhibitor, organic acid and surfactants showed high cleaning performance of particles such as silica abrasives and metal contamination without etching Cu surface. This inhibitor did not remain on Cu surface after DIW rinsing unlike Benzotriazole.


Mori T.,University of Tsukuba | Mori T.,Industrial Technology Center Of Okayama Prefecture | Shinnai T.,Inari Inc | Kijima M.,University of Tsukuba | Kijima M.,The Interdisciplinary Center
Polymer Chemistry | Year: 2011

A blue-emitting poly(2,7-carbazole) having a naphthyl substituent at the N-position (PNCz) was newly synthesised by the Yamamoto method and used to fabricate an organic light emitting diode (OLED). PNCz was highly soluble in common organic solvent with the number average molecular weight (Mn) of 17600 and good thermal stability, with the decomposition temperature higher than 390 °C. PNCz exhibited intense blue photoluminescence with emission peak maxima at 415 nm in CHCl3 and 428 nm in the film state, and the fluorescence quantum efficiency in CHCl3 was extremely high (Φfl = 0.99). The HOMO level estimated by cyclic voltammetry was -5.50 eV and the band gap estimated from an absorption edge was 2.72 eV. The OLED device with a configuration of ITO/PEDOT:PSS/PNCz/CsF/Al exhibited bluish emission with several hundreds cd m-2 and CIE index (x = 0.20, y = 0.21) at low operating voltages in the range of 6-7 V and greenish emission with about 3000 cd m-2 and CIE index (0.25, 0.44) under high operating voltage around 11 V. © 2011 The Royal Society of Chemistry.


Fukagawa H.,Japan Broadcasting Corporation NHK | Shimizu T.,Japan Broadcasting Corporation NHK | Kawano H.,Tokyo University of Science | Yui S.,Tokyo University of Science | And 4 more authors.
Journal of Physical Chemistry C | Year: 2016

Demonstration of highly efficient organic light-emitting diodes (OLEDs) is becoming commonplace; however, there have been few reports on hole-transporting materials (HTMs) designed for highly efficient and stable green OLEDs. Here, operationally stable HTMs with high triplet energy were synthesized by incorporating dibenzothiophene and dibenzofuran into hole-transporting amino groups. The triplet energy of the amine derivative with dibenzothiophene was increased from 2.35 to 2.56 eV by introducing o,o′-quaterphenyl without impairing the stability. Since the largest triplet energy of the synthesized HTMs is 2.59 eV, the triplet excitons of green phosphorescent emitters and thermally activated delayed fluorescence (TADF) emitters are confined effectively. The operational stability of the phosphorescent OLED (PHOLED) using the synthesized HTM was about 15 times longer than that of the PHOLED using 2,2′-bis(3-ditolylaminophenyl)-1,1′-biphenyl. The optimized green PHOLED exhibits EQE of over 20% for a luminance of 10 to 10,000 cd m-2 and an expected half lifetime of over 10,000 h with an initial luminance of 1000 cd m-2. The synthesized HTM is effective for improving the efficiency of OLEDs incorporating a green TADF emitter, as well as green phosphorescent OLEDs. © 2016 American Chemical Society.


Kitajima A.,Japan National Institute of Advanced Industrial Science and Technology | Tanaka H.,Japan National Institute of Advanced Industrial Science and Technology | Minami N.,Japan National Institute of Advanced Industrial Science and Technology | Yoshino K.,Inari Inc | Kawamoto T.,Japan National Institute of Advanced Industrial Science and Technology
Chemistry Letters | Year: 2012

An efficient cesium adsorbent has been developed using Prussian blue nanoparticles immobilized on cotton gauze. A cesium decontamination factor of the order of 10 6 is achieved by passing cesium solutions through a column filled with 1.81 g of the adsorbent. In this study, two ion-exchange steps were used, i.e., Na + to K + for immobilization of nanoparticles on matrices and K + to Cs + for adsorption. The new cesium adsorbent shows promise for the decontamination of radioactive cesium. © 2012 The Chemical Society of Japan.


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