Method of and apparatus for growing crystals
CA 1253775 A · Owner: Kernforschungsanlage Julich G.M.B.H. · Inventors: Boden, Karl; Linke, Udo; Ibach, Harald
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A complex relative movement in a direction transverse to the crystal drawing direction is imparted at the interface between the growing crystal bar and a melt of the crystallizable material by controlled electrical energization of a radial stabilizer acting upon the magnetizable core by which either the bar or the crucible or a supply bar for the material or both, can be, suspended.
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 May 9, 1989. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended May 9, 2006.
- 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.