Wafer cassette transfer mechanism
CA 1268265 C · Owner: The Perkin-Elmer Corporation · Inventors: Kochersperger, Peter
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A wafer cassette transfer mechanism is disclosed which transfers a wafer cassette from a transfer arm to an elevator. The elevator moves vertically up or down, so as, to move the wafer cassette to a second transfer arm. The second transfer arm can then move the wafer cassette to after processing equipment.
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 April 24, 1990. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended April 24, 2007.
- 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.