Ion source
CA 1295428 C · Owner: Robinson, Raymond S. · Inventors: Robinson, Raymond S.; Kaufman, Harold R.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
An ion source has the typical chamber wherein ions are produced and caused to be propelled outwardly through at least a pair of grids which have a mutuallyaligned respective plurality of apertures. Thus there, are the usual cathode, anode, magnet assembly ionizable, gas inlet and supporting power supplies as well as neutralizing means. First and second grids each have an integrally-formed peripheral marginal portion. A support element has a shape which matches and overlies the marginal portion of one grid, while a clamp has a shape which matches that of and overlies the other marginal portion. The support element and clamp are secured together. First and second mutually-aligned seats are …
Read the whole patent
Listed from its CIPO record in Patent Yard's archive of Canadian patents past their term. Its claims, description and drawings are in the CIPO record and on Google Patents, and the Claude kit works from them.
Why it's free to use
- Granted February 4, 1992. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended February 4, 2009.
- We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
Timeline
Timeline From CIPO dates
Sources & verification
Official CIPO records
Everything on this page comes from the CIPO record linked above. Contains information licensed under the Open Government Licence – Canada.