A5066640750- Synthesis and properties of polymers
- Silicone and Siloxane Chemistry
- Photonic and Optical Devices
- Advanced Radiotherapy Techniques
- 3D IC and TSV technologies
- Semiconductor materials and devices
- Diamond and Carbon-based Materials Research
- Endometrial and Cervical Cancer Treatments
- Semiconductor Lasers and Optical Devices
- Head and Neck Cancer Studies
- MRI in cancer diagnosis
- Flow Measurement and Analysis
- Prostate Cancer Treatment and Research
- Copper Interconnects and Reliability
- Optical Coatings and Gratings
- Prostate Cancer Diagnosis and Treatment
- Electronic Packaging and Soldering Technologies
- Metal and Thin Film Mechanics
- Medical Imaging Techniques and Applications
- Lung Cancer Diagnosis and Treatment
- Salivary Gland Tumors Diagnosis and Treatment
- Oral health in cancer treatment
- Polydiacetylene-based materials and applications
- Skin Protection and Aging
- Ultrasound and Hyperthermia Applications
Toray (United States)
2017-2025
Toray Industries, Inc. (Japan)
2016-2024
University of Illinois Urbana-Champaign
2016-2018
Chiba Cancer Center
1998-2015
Nagaoka University
2011-2014
Nagaoka University of Technology
2011-2014
Kyoto Institute of Technology
2011-2012
Kyoto University
1958-2006
Osaka University
1970-2005
Kyoto Katsura Hospital
2004
Stretchable, wireless health monitoring patches to evaluate heart rate, blood oximetry, UV exposure, and skin coloration.
Ultraviolet (UV) solar radiation is a leading cause of skin disease. Quantitative, continuous knowledge exposure levels can enhance awareness and lead to improved health outcomes. Devices that offer this type measurement capability in formats seamlessly integrate with the are therefore interest. This paper introduces materials, device designs, data acquisition methods for skin‐like, or “epidermal,” system combines colorimetric electronic function precise dosimetry UV‐A UV‐B regions spectrum,...
Wireless, battery-free, flexible dosimeters measure personalized exposure to electromagnetic radiation outdoors and in clinical environments.
Palladium-catalyzed oxidative alkynylation of alkenes using tert-propargylic alcohols as reagents via C-C bond cleavage under an oxygen atmosphere affords the corresponding ene-yne compounds.
Excessive ultraviolet (UV) radiation induces acute and chronic effects on the skin, eye immune system. Personalized monitoring of UV is thus paramount to measure extent personal sun exposure, which could vary with environment, lifestyle, sunscreen use. Here, we demonstrate an ultralow modulus, stretchable, skin-mounted patch that measures doses. The contains functional layers ultrathin stretchable electronics a photosensitive patterned dye reacts radiation. Color changes in dyes correspond...
We have investigated molecular motion and polarity of polyimide chain to developed novel low dielectric constant (Dk) dissipation factor (Df) polyimides. found that Df at 10-100 GHz corresponds mobility -150 -50 ℃. To reduce the loss (=Df) high frequency, restriction temperature was important. In addition, polar flexible unit in is also important obtain Dk polyimide. exploited these knowledge for development RDL. As result, we achieved 0.002 tangent 2.7 respectively about Those polyimides...
Serine- and threonine-based acetylene monomers carrying hydroxyl group, N-tert-butoxycarbonyl-l-serine N'-propargylamide (1), N-tert-butoxycarbonyl-l-threoine (2), their O-silylated monomers, N-tert-butoxycarbonyl-O-triethylsilyl-l-serine (3) N-tert-butoxycarbonyl-O-triethylsilyl-l-threonine (4), were polymerized with a rhodium zwitterion catalyst in THF, MeOH, CH2Cl2, toluene to afford the corresponding optically active poly(N-propargylamides) moderate number-average molecular weights...
Dumbbell-shaped trifluoropropyl-substituted C2-linked POSS (POSS-DE), C3-linked (POSS-DP), and C6-linked (POSS-DH) were prepared by corner-capping of hepta(3,3,3-trifluoropropyl)tricycloheptasiloxane trisodium silanolate (F7-Na) with 1,2-bis(trichlorosilyl)ethane, 1,3-bis(trichlorosilyl)propane, 1,6-bis(trichlorosilyl)hexane, respectively. The structures these obtained compounds confirmed 1H, 13C, 29Si NMR spectra MALDI–TOF–MS analysis. In the case POSS-DP POSS-DH, spin coating...
Abstract An l-threonine-based helical poly(N-propargylamide)–Ru complex was synthesized, and used as a catalyst for hydrogen-transfer reaction of ketones. The enantiomeric excess (ee) values the formed alcohols ranged from 12 to 36%. On other hand, an Ru with low-molecular-weight model ligand gave alcohol ee low 1.8%.
Abstract Dumbbell‐shaped isobutyl‐substituted 1,2‐bis(4‐vinylphenyl)acetylene‐linked POSS (DA1), 9,10‐bis(4‐vinylphenyl)ethynyl)anthracene‐linked (DA2), and 5,5″‐bis((4‐vinyl)phenyl)ethynyl)‐2,2′:5′2″‐terthiophene‐linked (DA3), corresponding model compounds were synthesized by cross metathesis Sonogashira reaction, their film formability, thermal optical properties examined. The dumbbell structures of the obtained confirmed 1 H‐, 13 C‐, 29 Si‐NMR MALDI‐TOF‐MS analysis. dumbbell‐shaped gave...
Low-temperature curable polyimides with minimal device damage have been developed for 3D stacking organic hybrid bonding technology. We confirmed showed significant polishing rates alkaline slurry. Polyimide-to-polyimide and polyimide/copper at a low-temperature annealing were successfully demonstrated. Furthermore, polyimide-to-polyimide mechanisms investigated from the chemical physical aspects of material, respectively. Moreover, polymer copper protrusion test vehicles was polished...
ADVERTISEMENT RETURN TO ISSUEPREVNoteNEXTSerine-Based Helical Polyacetylenes. Effect of Hydroxyl Group on the Secondary StructureFumio Sanda, Hitoshi Araki, and Toshio MasudaView Author Information Department Polymer Chemistry, Graduate School Engineering, Kyoto University, Katsura, Nishikyo-ku, 615-8510, Japan Cite this: Macromolecules 2005, 38, 25, 10605–10608Publication Date (Web):November 8, 2005Publication History Received25 August 2005Revised29 September 2005Published online8 November...
We have successfully developed novel low dielectric constant (Dk) and dissipation factor (Df) polyimides by following procedure. investigated having various molecular mobility polarity in polymer backbone to understand how design Dk Df polyimide. found that at -150 -50°C was corresponded from 10 100 GHz. To reduce GHz order, it important temperature around -50°C. In addition, flexibility the polyimide also obtain took advantage of these knowledge for development loss As result, we achieved...
Measurements of ultrasonic attenuation and velocity changes were carried out on the metallic glass ${\mathrm{Pd}}_{0.775}$${\mathrm{Si}}_{0.165}$${\mathrm{Cu}}_{0.06}$ as a function amplitude, in frequency range 10 to 90 MHz, for $0.3<~T<~10$ K. A comparison experimental results with predictions current two-level-system (TLS) tunneling theory is presented. The amplitude-dependent attentuation observed these studies are larger by factor 100 1000 than values obtained from TLS theory, use...
CN( X 2 Σ + ) radicals were produced from the dissociative excitation reaction of BrCN with microwave discharge flow Ar. This plasma was studied by combined analysis laser-induced fluorescence (LIF) and electrostatic-probe measurements. The Ar pressure, P , in range 0.2–0.5 Torr. absolute densities radicals, n that metastable state atoms, M determined observing A Π i – Ar( 3 1 transitions, respectively. temperature, T e density, free electrons measurement. When a trace amount H O vapour...
Fan-Out Wafer Level Packages (FOWLPs) and Panel (FOPLPs) have been proposed for promising candidates of the advanced packages multifunctional LSI with many I/O (input/output). FOPLP is expected to reduce cost FOWLP by improving productivity per substrate. Dielectric materials redistribution layers (RDLs) are one most important FOPLPs. We developed novel low-temperature curable positive-tone photosensitive dielectric high reliability insulating mainly focus on two factors package reliability....
Objectives To investigate the therapeutic outcomes of neoadjuvant and concurrent androgen‐deprivation therapy intensity‐modulated radiation with gold marker implantation for intermediate‐ high‐risk prostate cancer. Methods This was a retrospective study 325 patients or cancer according to National Comprehensive Cancer Network guidelines who underwent (76 Gy) after between 2001 2010. Results The 5‐year distant metastasis‐free survival rate significantly lower very than (82.6% vs 99.4% 96.5%,...
An electrical reliability of fine copper redistribution layer (RDL) with 1/1 μm line and space fabricated by using positive photosensitive polyimide (PSPI) has been demonstrated. The containing flexible molecular units in PSPI was introduced, assumption to increase the entanglement each polymer chain a design concept backbone enhance mechanical thermal reliability. To conduct series tests, test vehicles semi-additive RDL were Toray’s for test. Through tests utilizing our vehicles,...
Low stress / low temperature curable photosensitive polyimide (PSPI) with excellent reliability during thermal cycle (TC) has been developed for a quite some time. The effect of residual concerning PSPI on copper-PSPI inter-connect structure was examined by Finite Element Method (FEM), and it became evident that the crack tendency to appear at top corner between copper PSPI, where highest lay cooling process TC test. is one candidates reduce structure, indeed, no found after FEM Through...
Novel low-temperature curable positive-tone photosensitive polyimide (posi-PSPI) with high reliability has been developed as dielectric layers for copper redistribution (RDLs) in Fan-Out wafer/panel level packages (FOWLP, FOPLP). The posi-PSPI shows tolerance to thermal cycle test, temperature storage test and Cu migration test. In order achieve these properties, we investigated both segments of flexible rigid molecular skeletons within the base polymer backbone. Through a modification...