C
Chuan-Fan Ding
Researcher at University of British Columbia
Publications - 10
Citations - 256
Chuan-Fan Ding is an academic researcher from University of British Columbia. The author has contributed to research in topics: Quadrupole & Ion. The author has an hindex of 7, co-authored 10 publications receiving 246 citations.
Papers
More filters
Journal ArticleDOI
Quadrupole mass filters with octopole fields.
TL;DR: These rod sets may offer improved trap performance while still being capable of providing conventional mass analysis, and are unexpected in view of the literature that argues that to obtain high mass resolution with quadrupole mass filters, higher order multipoles must be kept as small as possible.
Journal ArticleDOI
Ion Excitation in a Linear Quadrupole Ion Trap with an Added Octopole Field
TL;DR: Efficiencies are chemical compound dependent, but when an octopole field is added, efficiencies can be substantially higher than with a conventional rod set, particularly at pressures of 1.4 × 10−4 torr or less.
Journal ArticleDOI
Linear Quadrupoles with Added Hexapole Fields
TL;DR: It is found that a quadrupole with an added hexapole field in the range 2–12% can provide mass analysis provided the dc is applied with the correct polarity and value.
Patent
Geometry for generating a two-dimensional substantially quadrupole field
TL;DR: In this paper, a method and apparatus for manipulating ions using a two-dimensional substantially quadrupole field, and a method of manufacturing an ion manipulation system using this field is described.
Patent
Method and apparatus for providing two-dimensional substantially quadrupole fields having selected hexapole components
TL;DR: In this article, a method and apparatus for manipulating ions using a two-dimensional substantially quadrupole field, and a method of manufacturing and operating an ion manipulation system using a 2D substantially quadropole field are described.