The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Nov. 13, 2018
Filed:
May. 26, 2014
Commissariat a L'energie Atomique ET Aux Energies Alternatives, Paris, FR;
Etienne Pihan, La Motte Servolex, FR;
Vanessa Amaral De Oliveira, Villeurbanne, FR;
Denis Camel, Chambery, FR;
Denis Chavrier, Chambery, FR;
Gautier Fortin, Saint-Baldoph, FR;
Anis Jouini, Chambery, FR;
Benoit Marie, Aix-les-Bains, FR;
Nelly Plassat, La Motte Servolex, FR;
Abstract
A method for manufacturing a silicon cylinder by growth on seeds in a directed solidification furnace, including at least the following steps: (i) providing a crucible having a longitudinal axis (Z), in which the bottom is covered with a layer of seeds of monocrystalline silicon in a right prism shape; and (ii) proceeding with directed solidification of silicon by growth on seeds, in a direction of growth that is co-linear with the axis (Z) and with a concave solidification front, spatially or temporally; characterized in that the layer in step (i) of: one or more central seeds G; and one or more peripheral seeds Gcontiguous to the seed(s) G, the peripheral seeds Ghaving a specific size.