| NOTE NO. |
APPLICATION |
DESCRIPTION |
|
RA_1201 |
Material Science |
“Cross Beam Ionizer Design for Plasma Monitoring” Operating Principle and design of a Cross Beam Deflector Ionizer and its application as an Energy Filter and Noise Reducer when used to sample plasmas |
|
RA_1203 |
Material Science, Ion Chemistry |
“Characterization of a Novel Molecular Beam Mass Spectrometer Design: Energy Analysis of Pre-formed Ions” Design and performance of a Molecular Beam System for highly accurate sampling of plasmas and energy anlysis of pre-formed ions. |
|
RA_1402 |
Material Science |
“Axial Energy Analyzer: Energy Resolution” Design and Operating principles of Axial Energy Filter with emphasis on Energy Resolution |
|
RA_1403 |
Material Science |
“ Axial Energy Analyzer: Ion Kinetic Energy and SIMS Spectrum from a CuBe Alloy” Sampling Ions with a wide energy distribution using the Axial Energy Anayzer during a SIMS Experiment |
|
RA_1405 |
Material Science |
“ Improvements in Signal-to-Noise and Minimization of analyzer related background contributions in ultra high vacuum residual gas analysis Part I. Improvements in Signal-to-noise “ Shows how to lower background noise in UHV systems with a Tandem Ionizer/Energy Analyzer. |
|
RA_1602 |
Material Science |
“ A Filament Study: Optimizing Filament Configurations for Measuring Appearance Potentials “ Shows various filament configurations and materials and the effect these have on the study of Appearance Poetenials. |
|
RA_2001 |
General Quadrupole Theory |
“Resolution and Transmission of Quadrupoles: RF-DC and RF-only Operation” Shows the effect of quadrupole rod size and RF frequency on Transmission, Resolution, Abundance Sensitivity and Mass Range |
|
RA_2002 |
High Mass |
“High Resolution High Sensitivity RF-only Quadrupole Mass Spectrometry for Clusters Characterization and Deposition” Cluster Analysis and Deposition using RF-only Quadrupoles |
|
RA_2003 |
Material Science, Ion Chemistry |
“Optimizing Quadrupole Performance When Coupled with High Voltage Ion Sources” Discusses how to improve Sensitivity and Peak Shape when looking at high energy ions from a source such as a plasma. |
|
RA-2004 |
General Quadrupole Theory |
“ Quadrupole Performance: Do Quadrupoles Discriminate Against High Masses “ Shows the effects of Quadrupole rod size, RF operating Frequency and Quadrupole pre- and post-filters on quadrupole transmission of high masses. |
|
RA-2005 |
General Quadrupole Theory |
“ Transmission Characteristics of RF-Only Devices: Quadrupoles and Octupoles as Ion Pipes “ Compares the transmission characteristics of Quadrupoles and Octupoles in RF-Only mode. |
|
RA_2006 |
General Quadrupole Theory |
“ Improving Abudance Sensitivity in Quadrupole Mass Spectrometers “ Shows the effect of Ion Energy, RF Operating Frequency and RF-only Pre- and Post-filters on the ability to resolve adjacent peaks of widely different intensities. |
|
RA_2007 |
High Mass |
“ Optimizing Quadrupole Transmission for Wide Mass Range to 10,000 amu “ Proves a summery of practical hints for maximizing performance at high mass along with ion energy and tuning requirements |
|
RA_2009 |
High Mass |
“ Transmission Characteristics of Quadrupoles to m/z 10,000” Explorers the trade off in Sensitivity and Resolution versus Mass Range |
|
RA_2010 |
General Quadrupole Theory |
“ Practical Quadrupole Theory: Graphical Theory “ This a simplified description of the operation of Quadrupole Mass Filters without complicated equations. |
|
RA_2201 |
General Quadrupole Theory |
“Quadrupole Mass Spectrometry Using the Second Mathieu Stability Region” Discusses the effect on Abundance Sensitivity, Sensitivity and Resolution of operating in alterante stability regions. Shows the separation of Helium 3 and Deuterium which are 0.0256 amu apart. |
|
RA_2202 |
General Quadrupole Theory |
“ Measurement of m/z 1 and 2 on a 4000 amu System Using the Second Mathieu Stability Region “ Shows the performance of a high mass range system at low mass using alternate stability region operation |
|
RA_2203 |
General Quadrupole Theory |
“ Resolving Isobaric Masses Using a Quadrupole in the Second Mathieu Stability Region “ Shows the improvement of Abundance Sensitivity and Resolution using alternate stability regions. Concentrates on the separation of CO and N2 at m/z 28 and CO2 and N2O at m/z 44. |
|
RA_2400 |
General Quadrupole Theory |
“ He/D2 Mass Sparation with the Faraday detector: a Comparision between the First and Second Mathieu Stability Region “Shows the performance of a high mass range system at low mass using alternate stability region operation |
|
RA_5011 |
Material Science, Ion Chemistry |
“ Measurement of Appearance Potentials “ Practical guide for measureing the Appearance Potentials of Gaseous Molecules. |
|
RA_5201 |
Material Science, Ion Chemistry |
“ Real Time Monitoring and Detection of Trace H2 and HF Species in an Argon Based Plasma “ High Abundance and High Resolution sampling of Isobaric Masses in a Plasma using a two stage molecular beam sampling system. |
|
RA_5202 |
Material Science, Ion Chemistry |
“ Analysis of Fast Neutral in Plasma Monitoring “ Improving the performance of Al and Cu Sputtering processes through the analysis of Fast Neutrals produced by the plasma. |
|
RA_5103 |
Material Science, Ion Chemistry |
"Using the Tandem Ionizer/Energy Filter and the Merlin Automation Data System to analyze internal and external ions." Effecient use of a combination Axial Ionizer and Beam Stop Type Energy Filter to separate ions of different kinetic energies. |
