Method of preparing a plurality of castings having a predetermined composition
CA 1214380 A · Owner: Philips Electronics N.V. · Inventors: Brough, Colin R.; Brice, John C.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
12, ABSTRACT:, A method of simultaneously preparing a plurality of castings of a solution of an element or compound A in a solvent B which is an element and/or a compound which, solution is saturated at a temperature Ts. A problem in liquid epitaxy growth processes is the simple preparation of growth charges which are of sufficiently reproducible composition and size to produce epitaxial layers of reproducible composition and thickness. A melt 12 consisting of B, or of B together with at least one of the constituents of A, or of a solution of A in B which is unsaturated at Ts is prepared in a trough 5 of a boat body of a liquid-tight boat assembly 1. An equilibrium is established at Ts …
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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 November 25, 1986. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended November 25, 2003.
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Official CIPO records
Everything on this page comes from the CIPO record linked above. Contains information licensed under the Open Government Licence – Canada.