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Sökning: WFRF:(Lang J) > Jönköping University

  • Resultat 1-5 av 5
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  • Green, Dido, et al. (författare)
  • Sensory Processing Difficulties in Opsoclonus-Myoclonus Syndrome
  • 2016
  • Ingår i: Journal of Child Neurology. - : Sage Publications. - 0883-0738 .- 1708-8283. ; 31:8, s. 965-970
  • Tidskriftsartikel (refereegranskat)abstract
    • Opsoclonus-myoclonus syndrome is a rare but serious neurological condition resulting in loss of control of eye movements, often accompanied by difficulties in posture and movement control with reports of sensory sensitivities potentially impacting on behavior. This pilot study characterizes the presence of atypical sensory behaviors in opsoclonus-myoclonus syndrome through questionnaire survey of a cohort of families. The Short Sensory Profile, Vineland Adaptive Behavior Scale, and Developmental Behaviour Checklist were distributed to 30 families; 16 were returned anonymously. Atypical sensory behaviors were identified in a large proportion (62.5%). Children reported as being more anxious showed greater sensitivity to auditory stimuli, U(14) 11, P =.026. This is consistent with recent recognition of more extensive disease neurocognitive effects in Opsoclonus-myoclonus syndrome. Further research is needed to increase understanding of the complex pathology of this disease and to provide indicators for sensory and behavioral as well as pharmacological interventions.
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3.
  • Kraemer-Eis, H., et al. (författare)
  • Entrepreneurial finance in Europe and the Russian war against Ukraine
  • 2024
  • Ingår i: Journal of Technology Transfer. - : Springer. - 0892-9912 .- 1573-7047.
  • Tidskriftsartikel (refereegranskat)abstract
    • Prior research has investigated how the prices of stocks and commodities as well as inflation levels have been affected by the Russian war against Ukraine. So far, however, we know little about the impacts of the war on the entrepreneurial finance sector. Prior research on the effects of unexpected exogenous crisis events on entrepreneurial finance suggests a strong negative impact on new and follow-on funding for entrepreneurial ventures. Our study regards the Russian war against Ukraine as an unexpected exogenous crisis event and explores its impact on the entrepreneurial finance sector. It goes beyond a mere sentiment and impact analysis and also explores the underlying reasons and mechanisms as well as potential response and coping strategies employed by entrepreneurial finance investors. Based on two surveys of European venture capital (VC) and private equity (PE) investors, we find that the war had a strong negative impact on the two types of investors and their respective funds. Both VC and PE investors report more risk-aversion of limited partners (LPs) and LPs leaving the market as important challenges resulting in an overall lower willingness of LPs to invest. This applies in particular to banks, insurance funds, and pension funds. On the portfolio firm level, securing equity financing and maintaining liquidity were considered pressing issues. Overall, the situation seems to be more difficult for portfolio companies of VC as compared to PE investors. For the former, the financing- and liquidity-related issues seem to be more existential and survival-threatening. Responding to these challenges, both VC and PE investors altered their industry focus and put more emphasis on entrepreneurial experience. Financial investment selection criteria such as financial valuation, profitability, and cash- as well as revenue-generating capacity also increased in importance. Again, differences between VC and PE investors exist. Our study has implications for entrepreneurial finance theory and practice and concludes with an agenda for research on the impacts of the Russian war against Ukraine on entrepreneurial finance.
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4.
  • Lang, Jenny, et al. (författare)
  • Reliability study of a RF power amplifier with GaN-on-SiC HEMTs
  • 2016
  • Ingår i: ECS Transactions. - Pennington, N.J. : The Electrochemical Society. - 9781607685395 ; , s. 49-59
  • Konferensbidrag (refereegranskat)abstract
    • RF power amplifier demonstrators containing each one GaN-on- SiC, HEMT, CHZ015A-QEG, from UMS in SMD quad-flat noleads package (QFN) were subjected to thermal cycles (TC) and power cycles (PC) and evaluated electrically, thermally and structurally. Two types of lead-free solders (Sn63Pb36Ag2 and SnAgCu (SAC305)) and two types of TIM materials (NanoTIM and TgonTM 805) for PCB attachment to liquid cold plate were tested for thermo-mechanical reliability. Changes in electrical performance of the devices namely reduction of the current saturation value, threshold voltage shift, increase of the leakage current and degradation of the HF performance were observed as a result of an accumulated current stress during PC. No significant changes in the investigated solder or TIM materials were observed.
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5.
  • Lang, Jenny, et al. (författare)
  • Thermo-mechanical reliability and performance degradation of a lead-free RF power amplifier with GaN-on-SiC HEMTs
  • 2017
  • Ingår i: Materials Science Forum. - : Trans Tech Publications. - 9783035710434 ; , s. 715-718
  • Konferensbidrag (refereegranskat)abstract
    • RF power amplifier demonstrators containing each one GaN-on-SiC, HEMT, CHZ015AQEG, from UMS in SMD quad-flat no-leads package (QFN) were subjected to thermal cycles (TC) and power cycles (PC) followed by electrical, thermal and structural evaluation. Two types of solders i.e. Sn63Pb36Ag2 and lead-free SnAgCu (SAC305) and two types of TIM materials (NanoTIM and TgonTM 805) for PCB attachment to liquid cold plate were tested for thermomechanical reliability. Changes in electrical performance of the devices namely reduction of the current saturation value, threshold voltage shift, increase of the leakage current and degradation of the HF performance were observed as a result of an accumulated current stress during PC. No significant changes in the investigated solder or TIM materials were observed.
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  • Resultat 1-5 av 5

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