C - Chemistry – Metallurgy – 03 – C
Patent
C - Chemistry, Metallurgy
03
C
C03C 17/00 (2006.01) C03B 40/00 (2006.01) C03C 17/34 (2006.01) C03C 17/42 (2006.01)
Patent
CA 2646376
A substrate bearing a removable cover is provided. The removable cover includes two or more removable films, wherein at least one film is removable by a different removing process than another film. For example, in some cases one film is an organic film removable by heat treatment and another film is an inorganic film durable to heat treatment but is soluble to a mild acid or a mild base.
L'invention concerne un substrat comportant un capot amovible. Le capot amovible comporte deux ou plusieurs films amovibles, dans lequel au moins un film est amovible selon un processus d'extraction différent d'un autre film. Par exemple, dans certains cas, un film est un film organique amovible par traitement thermique et un autre film est un film inorganique résistant au traitement thermique mais soluble à un acide doux ou une base douce.
Hartig Klaus
Miller Leah M.
Borden Ladner Gervais Llp
Cardinal Cg Company
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