Examination of compound formation at interface of tin-bismuth-silver solder and copper substrate by using electron probe micro analysis

2002 ◽  
Vol 31 (1) ◽  
pp. 3-6 ◽  
Author(s):  
T. Tanabe ◽  
S. Harada
Keyword(s):  
Electron Probe ◽  
Copper Substrate ◽  
Electron Probe Micro Analysis ◽  
Compound Formation ◽  
Micro Analysis

scholarly journals Comparison of Two Irradiated Metallic Fuels by Electron Probe Micro-analysis

2020 ◽  
Vol 26 (S2) ◽  
pp. 874-874
Author(s):  
Philipp Poeml ◽  
Karen Wright ◽  
Hirokazu Ohta ◽  
Luca Capriotti ◽  
Jason Harp
Keyword(s):  
Electron Probe ◽  
Electron Probe Micro Analysis ◽  
Metallic Fuels ◽  
Micro Analysis

scholarly journals Using Microstructures and Composition to Decipher the Alterations of Rodent Teeth in Modern Regurgitation Pellets—A Good News-Bad News Story

Minerals ◽  
2020 ◽  
Vol 10 (1) ◽  
pp. 63 ◽  
Author(s):  
Yannicke Dauphin
Keyword(s):  
Electron Probe ◽  
Bad News ◽  
Good News ◽  
News Story ◽  
Electron Probe Micro Analysis ◽  
Raman Spectrometry ◽  
Bird Of Prey ◽  
Digestion Process ◽  
Palaeoenvironmental Reconstructions ◽  
Micro Analysis

Rodent accumulations are widely used for palaeoenvironmental reconstructions. But these accumulations are created through the activity of predators (carnivorous mammals, birds of prey), the predation and digestion of which modify the preservation of bones and teeth. The microstructures of dentine and enamel, as well as the mineralogy and composition of non-digested and digested Rodent teeth extracted from modern regurgitation pellets collected at Olduvai (Tanzania) from a bird of prey (Bubo sp.) are compared. Scanning electron microscopy (SEM), Electron Probe Micro Analysis (EPMA) and Raman spectrometry were used. The modifications induced by the digestion process are variable and depend on the tissue (enamel, dentine), tooth (incisor, molar) and the predator. For a given tissue of a tooth, the estimation of the intensity of the alteration varies according to the selected criteria. To classify the digested teeth in categories based on a single parameter to reconstruct environment is still subjective, even for modern accumulations. Moreover, to identify the interplay of diverse parameters to avoid biases in reconstructions is difficult.

scholarly journals Conduction Processes in Thick Film Resistors. Part I

1976 ◽  
Vol 3 (3) ◽  
pp. 131-140 ◽  
Author(s):  
M. P. Ansell
Keyword(s):  
Electron Microscopy ◽  
Scanning Electron Microscopy ◽  
Thick Film ◽  
Electron Probe ◽  
Electronic Conduction ◽  
Borosilicate Glasses ◽  
Electron Probe Micro Analysis ◽  
Metal Group ◽  
Micro Analysis ◽  
Scanning Electron

The structures of three families of thick film resistors have been investigated by scanning electron microscopy and electron probe micro-analysis. The two principal components of the resistive glazes, that is the conducting pigment and the glassy binder, have been identified in each case. The pigments were found to be simple or ternary oxides of the Pt transition metal group and Pd/PdO/Ag alloys. The glassy binders were based on lead borosilicate glasses.A model for the electronic conduction processes through the glass and pigments is proposed on the basis of the observed physical structures, the measured electrical properties of resistors and the properties of the component resistor materials.Part I of the total paper is concerned with identifying the phases in various Thick Film Resistors and part II considers the conduction processes that are appropriate.

Chloride ingress profiles measured by electron probe micro analysis

1996 ◽  
Vol 26 (11) ◽  
pp. 1695-1705 ◽  
Author(s):  
O.Mejlhede Jensen ◽  
A.M. Coats ◽  
F.P. Glasser
Keyword(s):  
Electron Probe ◽  
Chloride Ingress ◽  
Electron Probe Micro Analysis ◽  
Micro Analysis
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