Friction properties of perfluorinated polyethers for hot-dipped tin low-level separable electrical contacts

S. Noël; N. Lécaudé; D. Alamarguy; L. Boyer

doi:10.1002/jsl.3000190302

Friction properties of perfluorinated polyethers for hot-dipped tin low-level separable electrical contacts

Journal of Synthetic Lubrication ◽

10.1002/jsl.3000190302 ◽

2002 ◽

Vol 19 (3) ◽

pp. 179-189 ◽

Cited By ~ 4

Author(s):

S. Noël ◽

N. Lécaudé ◽

D. Alamarguy ◽

L. Boyer

Keyword(s):

Electrical Contacts ◽

Low Level ◽

Perfluorinated Polyethers

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Influence of Grafting Properties of Organic Thin Films for Low Level Electrical Contacts Protection

2008 Proceedings of the 54th IEEE Holm Conference on Electrical Contacts ◽

10.1109/holm.2008.ecp.52 ◽

2008 ◽

Cited By ~ 3

Author(s):

S. Noel ◽

D. Alamarguy ◽

A. Benedetto ◽

P. Viel ◽

M. Balog

Keyword(s):

Thin Films ◽

Organic Thin Films ◽

Electrical Contacts ◽

Low Level

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Scattering parameter model of low level electrical contacts in electro-mechanical microwave switches-a switch manufacturer approach

Proceedings of the Forty-Eighth IEEE Holm Conference on Electrical Contacts ◽

10.1109/holm.2002.1040845 ◽

2003 ◽

Cited By ~ 9

Author(s):

R. Kwiatkowski ◽

M. Vladimirescu ◽

A. Zybura ◽

S. Choi

Keyword(s):

Electrical Contacts ◽

Scattering Parameter ◽

Low Level ◽

Microwave Switches

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TEM characterization of Au/Polysilicon interactions

Proceedings, annual meeting, Electron Microscopy Society of America ◽

10.1017/s0424820100176381 ◽

1990 ◽

Vol 48 (4) ◽

pp. 650-651

Author(s):

N. David Theodore ◽

Leslie H. Allen ◽

C. Barry Carter ◽

James W. Mayer

Keyword(s):

Solid Phase ◽

Single Crystal Silicon ◽

Chemical Vapor ◽

Electrical Contacts ◽

Silicon Substrates ◽

Crystal Silicon ◽

Transmission Electron ◽

Polysilicon Films ◽

The Stability

Metal/polysilicon investigations contribute to an understanding of issues relevant to the stability of electrical contacts in semiconductor devices. These investigations also contribute to an understanding of Si lateral solid-phase epitactic growth. Metals such as Au, Al and Ag form eutectics with Si. reactions in these metal/polysilicon systems lead to the formation of large-grain silicon. Of these systems, the Al/polysilicon system has been most extensively studied. In this study, the behavior upon thermal annealing of Au/polysilicon bilayers is investigated using cross-section transmission electron microscopy (XTEM). The unique feature of this system is that silicon grain-growth occurs at particularly low temperatures ∽300°C).Gold/polysilicon bilayers were fabricated on thermally oxidized single-crystal silicon substrates. Lowpressure chemical vapor deposition (LPCVD) at 620°C was used to obtain 100 to 400 nm polysilicon films. The surface of the polysilicon was cleaned with a buffered hydrofluoric acid solution. Gold was then thermally evaporated onto the samples.

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Tryptophan-Niacin Metabolism in Rat with Puromycin Aminonucleoside-Induced Nephrosis

International Journal for Vitamin and Nutrition Research ◽

10.1024/0300-9831.76.1.28 ◽

2006 ◽

Vol 76 (1) ◽

pp. 28-33 ◽

Cited By ~ 7

Author(s):

Yukari Egashira ◽

Shin Nagaki ◽

Hiroo Sanada

Keyword(s):

Body Weight ◽

Urinary Excretion ◽

Enzyme Activities ◽

Treated Group ◽

Control Group ◽

Puromycin Aminonucleoside ◽

Low Level ◽

Key Enzyme

We investigated the change of tryptophan-niacin metabolism in rats with puromycin aminonucleoside PAN-induced nephrosis, the mechanisms responsible for their change of urinary excretion of nicotinamide and its metabolites, and the role of the kidney in tryptophan-niacin conversion. PAN-treated rats were intraperitoneally injected once with a 1.0% (w/v) solution of PAN at a dose of 100 mg/kg body weight. The collection of 24-hour urine was conducted 8 days after PAN injection. Daily urinary excretion of nicotinamide and its metabolites, liver and blood NAD, and key enzyme activities of tryptophan-niacin metabolism were determined. In PAN-treated rats, the sum of urinary excretion of nicotinamide and its metabolites was significantly lower compared with controls. The kidneyα-amino-β-carboxymuconate-ε-semialdehyde decarboxylase (ACMSD) activity in the PAN-treated group was significantly decreased by 50%, compared with the control group. Although kidney ACMSD activity was reduced, the conversion of tryptophan to niacin tended to be lower in the PAN-treated rats. A decrease in urinary excretion of niacin and the conversion of tryptophan to niacin in nephrotic rats may contribute to a low level of blood tryptophan. The role of kidney ACMSD activity may be minimal concerning tryptophan-niacin conversion under this experimental condition.

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