Dielectric spectroscopy on W/O emulsions under influence of shear forces

1996 ◽  
Vol 274 (8) ◽  
pp. 754-762 ◽  
Author(s):  
T. Skodvin ◽  
J. Sj�blom
Keyword(s):  
Dielectric Spectroscopy ◽  
Shear Forces

Open-ended MEMS Probes for Dielectric Spectroscopy of Biological Cells at Radio Frequencies

PIERS Online ◽  
2009 ◽  
Vol 5 (3) ◽  
pp. 251-255 ◽  
Author(s):  
Hsin-Hung Li ◽  
Jen-Yu Jao ◽  
Ming-Kun Chen ◽  
Ling-Sheng Jang ◽  
Yi-Chu Hsu
Keyword(s):  
Dielectric Spectroscopy ◽  
Biological Cells ◽  
Radio Frequencies

The Effect of Ball Pad Metallurgy and Ball Composition on Solder Ball Integrity of Plastic Ball Grid Array Packages

1998 ◽  
Author(s):  
C.H. Zhong ◽  
Sung Yi
Keyword(s):  
Failure Mode ◽  
Barrier Layer ◽  
Shear Force ◽  
Solder Ball ◽  
Ball Grid Array ◽  
Reliability Test ◽  
Shear Forces ◽  
Ball Shear ◽  
Plastic Ball ◽  
Plastic Ball Grid Array

Abstract Ball shear forces of plastic ball grid array (PBGA) packages are found to decrease after reliability test. Packages with different ball pad metallurgy form different intermetallic compounds (IMC) thus ball shear forces and failure modes are different. The characteristic and dynamic process of IMC formed are decided by ball pad metallurgy which includes Ni barrier layer and Au layer thickness. Solder ball composition also affects IMC formation dynamic process. There is basically no difference in ball shear force and failure mode for packages with different under ball pad metallurgy before reliability test. However shear force decreased and failure mode changed after reliability test, especially when packages exposed to high temperature. Major difference in ball shear force and failure mode was found for ball pad metallurgy of Ni barrier layer including Ni-P, pure Ni and Ni-Co. Solder ball composition was found to affect the IMC formation rate.

Dielectric Spectroscopy of Semiconductors

1988 ◽  
Author(s):  
Andrew K. Jonscher ◽  
Mohammad A. Bari
Keyword(s):  
Dielectric Spectroscopy

New Systems for the Digestion of Solid Wastes

1992 ◽  
Vol 25 (7) ◽  
pp. 319-326 ◽  
Author(s):  
A. Wellinger ◽  
U. Baserga ◽  
K. Egger
Keyword(s):  
Dry Matter ◽  
Gas Production ◽  
Matter Content ◽  
Solid Wastes ◽  
Dry Matter Content ◽  
Feeding System ◽  
Shear Forces ◽  
Tank Reactor ◽  
Strong Shear ◽  
First Results

Two new systems for the digestion of solid wastes at thermophilic temperatures were developped and are currently being investigated at our research institute. The first system (ANCOM) was designed to process straw-rich cattle manure with a natural dry matter content of 18% to 22%. First results demonstrated a good specific gas production of 1.2 m3 biogas per m3 digester volume and day (54% methane) corresponding to a gas yield of 400 l per kg VS. A second digester system was developed to treat fruit, garden and vegetable (FGV-) waste. Because FGV-waste tends to float, a stirred tank reactor was designed in cooperation with an engineering firm. The reactor includes a distinguished new stirring system taking up strong shear forces and a hydraulic feeding system which guarantees that even during recirculation of the material, the hygenized digested substrate leaving the digester is not brought in contact with the fresh incoming material. First results measured at an HRT of 40 days demonstrated a specific gas production of 2.7 m3 per m3 fermenter and day.

Magneto-dielectric spectroscopy of magnetic fluids

2013 ◽  
Vol 49 (3-4) ◽  
pp. 270-276 ◽  
Author(s):  
C. N. Marin ◽  
P. C. Fannin ◽  
K. Raj ◽  
V. Socoliuc
Keyword(s):  
Dielectric Spectroscopy ◽  
Magnetic Fluids

Microwave and millimetre wave dielectric spectroscopy of ferroelectrics

1990 ◽  
Vol 107 (1) ◽  
pp. 61-66 ◽  
Author(s):  
Jonas Grigas ◽  
Algis Brilingas ◽  
Vidas Kalesinskas
Keyword(s):  
Dielectric Spectroscopy ◽  
Millimetre Wave
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