Apparatus for growing crystals of semiconductor materials
CA 1306407 C · Owner: Kida, Michio · Inventors: Sahira, Kensho; Kida, Michio
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
An apparatus for growing a semiconductor crystal from a melt includes a susceptor, a quartz crucible at least one, reinforcing ring, and a heater. The crucible is housed in the susceptor for receiving a semiconductor material therein. The reinforcing ring is provided on the quartz crucible for enhancing the strength of the crucible. The heater is disposed so as to surround the susceptor for heating the semiconductor material contained in the crucible.
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 August 18, 1992. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended August 18, 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.