Resources Contact Us Home
Apparatus and method for atmospheric pressure-3-dimensional ion trapping

Image Number 11 for United States Patent #6621077.

The present invention provides an apparatus for selectively transmitting ions and trapping the ions within a defined 3-dimensional space at atmospheric pressure. The invention is based on the ion focussing principles of high field asymmetric wave-form ion mobility spectrometry in which an analyzer region is defined by a space between first and second spaced apart electrodes, the analyzer region having a gas inlet and a gas outlet for providing a flow of gas through the analyzer region. Ions which are introduced into the analyzer region are carried by a gas flow towards a gas outlet. At least one of the electrodes has a curved surface terminus located near the gas outlet and the gas flow is adjusted so that ions are trapped in a defined 3-dimensional space located near the tip of the terminus. Trapping of ions in a defined 3-dimensional space allows a more concentrated flow of desired ions.

  Recently Added Patents
Optimized control of an energy supplying system and an energy consuming system
System and method for providing dynamic navigation through a property to a selected destination
Controller for soldering iron
Method and system for enabling rendering of electronic media content via a secure ad hoc network configuration utilizing a handheld wireless communication device
Rain barrel
Personalized health communication system
  Randomly Featured Patents
Endoscope apparatus
Dispensing nozzle improvement for extracting fuel
Anti-bounce device for a mass striking a target element
Original handling apparatus
Developing cartridge, image forming apparatus, and method of mounting/separating developing cartridge on/from image forming apparatus
Stepped grate-type cooler for hot particles
Apparatus, method and recording medium for evaluating time efficiency and real-time nature of pointing device
Interbody fusion device and associated methods
Catalytic epoxidation of alkylene compounds
Method for topology dependent slew rate control