The present invention relates to a method for manufacturing an electrochromic glazing, said glazing comprising an electrochromic stack comprising: a first transparent conductive layer (TCO1), a layer of an electrochromic material (EC), a layer of an ionic conductive electrolyte (CI), a counter electrode layer (CE), a second transparent conductive layer (TCO2), said method comprising the following steps: - providing a first glass panel (2) and a second glass panel (2 ); depositing a first transparent conductive layer (TCO1) on the first glass panel and a second transparent conductive layer (TCO2) on the second glass panel; - deposit a layer of a material (EC) on the first transparent conductive layer (TCO1) and a counter-electrode layer (CE) on the second transparent conductive layer (TCO2); - deposit the layer of an ion-conducting electrolyte (CI) on one or the other of the layers of an electrochromic material (EC) or counter-electrode (CE); - Assemble the two glass panels to form a laminated glazing characterized in that it further comprises at least one heat treatment step consisting in thermally treating at least one transparent conductive layer (TCO1, TCO2) of a panel glass by a rapid heat treatment device before assembling the glass panels. Figure 1
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