20 Result(s)

Article

Background paper to the revised recommendation for hepatitis B vaccination of persons at particular risk and for hepatitis B postexposure prophylaxis in Germany

The German Standing Committee on Vaccination (Ständige Impfkommission, STIKO) recommends vaccinating risk groups against hepatitis B and gives advice for postexposure prophylaxis. STIKO has recently revised this ...

Dr. T. Harder, C. Remschmidt, G. Falkenhorst… in Bundesgesundheitsblatt - Gesundheitsforsch… (2013)

Article

Integrated wireless neural interface based on the Utah electrode array

This report presents results from research towards a fully integrated, wireless neural interface consisting of a 100-channel microelectrode array, a custom-designed signal processing and telemetry IC, an induc...

S. Kim, R. Bhandari, M. Klein, S. Negi, L. Rieth, P. Tathireddy… in Biomedical Microdevices (2009)

Article

Stability of AuSn eutectic solder cap on Au socket during reflow

The stability of Au20Sn eutectic cap formed during reflow of Sn/Au bump was studied under multiple reflow cycles. For a 5 μm thick Sn layer, the eutectic caps formed for the bumps of 60 and 40 μm in diameters ...

D. Q. Yu, H. Oppermann, J. Kleff, M. Hutter in Journal of Materials Science: Materials in… (2009)

Article

Interlayer cooling potential in vertically integrated packages

The heat-removal capability of area-interconnect-compatible interlayer cooling in vertically integrated, high-performance chip stacks was characterized with de-ionized water as coolant. Correlation-based predi...

T. Brunschwiler, B. Michel, H. Rothuizen, U. Kloter… in Microsystem Technologies (2009)

Article

Aufgaben des ÖGD im Rahmen der Umweltmedizin

Der Fachausschuss Umweltmedizin des Bundesverbandes der Ärzte des öffentlichen Gesundheitsdienstes hat im Auftrag des Verbandes im Jahr 1999 ein Konsenspapier „Umweltmedizin im öffentlichen Gesundheitsdienst —...

Doz. Dr. B. Thriene, H. Oppermann in Bundesgesundheitsblatt - Gesundheitsforsch… (2005)

Chapter

The Role of Au/Sn Solder in Packaging

H. Oppermann in Materials for Information Technology (2005)

Article

Synthesis and powder X-ray diffraction analysis of new mixed rare-earth and selenium oxychlorides with composition LnSeO3Cl

A series of new mixed rare-earth and selenium oxychlorides with composition LnSeO₃Cl (Ln = La, Pr, Nd, Sm, Eu, Gd, Tb, Dy, Ho, Er, Yb, or Y) were prepared by annealing together LnOCl and SeO₂ in sealed silica tub...

D. G. Shabalin, P. S. Berdonosov, V. A. Dolgikh, H. Oppermann… in Russian Chemical Bulletin (2003)

Article

Crystal Structure and SHG Characterization of γ-BiSeO₃Cl

γ-BiSeO₃Cl crystals were grown and characterized by x-ray microanalysis and second harmonic generation. The structure of γ-BiSeO₃Cl was determined by single-crystal x-ray diffraction: sp. gr. Pna2₁, a = 11.707(4)...

S. A. Ibragimov, P. S. Berdonosov, V. A. Dolgikh, D. Q. Huong… in Inorganic Materials (2002)

Article

Thermochemical investigation of Re₂O₃—SeO₂ systems: III. Yttrium selenium oxides in the pseudo-binary system

Ternary pure phases in the thermodynamical equilibrium Y₂Se_xO_3+2x in the pseudo-binary Y₂O₃-SeO₂ system have been synthesized by solid state reactions and characterized by X-ray powder diffraction, IR spectroscop...

M. Zhang-Presse, H. Oppermann in Journal of Thermal Analysis and Calorimetry (2002)

Article

Development of an assembly process and reliability investigations for flip-chip LEDs using the AuSn soldering

 A packaging process for flip-chip LEDs (light emitting diodes) is described. The LEDs are picked and placed on a silicon substrate wafer. After reflow the substrates are individualized. AuSn solder is used fo...

G. Elger, M. Hutter, H. Oppermann, R. Aschenbrenner, H. Reichl… in Microsystem Technologies (2002)

Article

Infektionsepidemiologie lebensmittelbedingter Campylobacter-Infektionen Untersuchung eines Ausbruchs in Sachsen-Anhalt mittels epidemiologischer, mikrobiologischer und molekularbiologischer Methoden

V. Thurm, E. Dinger, O. Lyytikäinen… in Bundesgesundheitsblatt - Gesundheitsforsch… (1999)

Article

Phase relations in the system V/Nb/O. V. Investigation of mixed crystals V1-xNbxO2

Mixed crystals V_1-xNb_xO₂ exist over the whole area of the quasibinary line VO₂-NbO₂. The existence of Nb_{5+ beside V3+ and V4+ on the V-rich side and V3+ beside Nb5+ and Nb4+ on the Nb-rich side of the mixed cryst...}

H. Oppermann, F. von Woedtke, T. Reich… in Fresenius' Journal of Analytical Chemistry (1999)

Chapter

Infektionsepidemiologie lebensmittelbedingter Campylobacter-Infektionen

Es wird über einen Gastroenteritisausbruch in Sachsen-Anhalt mit 186 Erkrankungen in 6 Kindergärten einer Kreisstadt berichtet, der durch Campylobacter (C.) jejuni verursacht wurde. Die Erkrankten hatten an de...

Dr. V. Thurm, E. Dinger, O. Lyytikäinen… in Bundesgesundheitsblatt Gesundheitsforschun… (1999)

Article

Zustandsbarogramme — Zustandsdiagramme durch Gesamtdruckmessungen

From phasebarograms it is possible to construct phase diagrams. We show on example of the system Bi/Se/O how follow ternary sections from the total pressure measurements in equilibrium and how we can attribute...

H. Oppermann, H. Göbel, U. Petasch in Journal of thermal analysis (1996)

Article

Investigation of the phase barograms and diagrams of the GeI₄-I₂, GeI₄-BiI₃ and GeI₄-HgI₂ systems

The phase barograms of the systems GeI₄-I₂, GeI₄-BiI₃ and GeI₄-HgI₂ were determined by total pressure measurements in a membrane zero manometer and the resulting phase diagrams were compared with those obtained b...

H. Oppermann, S. Witter, W. Ludwig in Journal of thermal analysis (1991)

Article

Preparation of ZnO single crystals by chemical transport reaction and determination of ZnO homogeneity range

The homogeneity range of ZnO is very narrow and cannot be determined by conventional analytical methods. The determination was performed by oxidation of the substoichiometric samples in a gas stream with coulo...

H. Oppermann, G. Stöver, A. Heinrich, K. Teske, E. Ziegler in Acta Physica Hungarica (1985)

Article

Individual translational efficiencies of SV 40 and cellular mRNAs

The technique of selective inhibition of peptide chain initiation by growth medium hypertonicity was adapted for cell monolayer cultures and applied to a study of protein synthesis in SV 40 infected BSC-1 cell...

H. Oppermann, G. Koch in Archives of Virology (1976)

Article

Poliovirus-induced infectious double-stranded RNA

The infectivity of replicative form RNA (RF-RNA) isolated from poliovirus-infected HeLa cells is completely resistant to the action of T₁ RNase but decreases after exposure to RNase A in the presence of 0.3 M NaC...

R. Mittelstaedt, H. Oppermann, G. Koch in Archives of Virology (1975)

Article

Einen Titrirapparat

O. Knöfler, H. Oppermann in Zeitschrift für analytische Chemie (1890)