The InOxSide^® Blue is RENA‘s solution for full alkaline, HNO₃-free junction isolation, rear side polish, glass etching and cleaning. We offer the first and only one-tool solution on the market for user-friendly processing with lowest CoO. No transfer between tools is necessary for obtaining outstanding cell performance, high yield and a lean process setup. No additional furnace for glass densification is needed, even for SE cells. The proven and enhanced, patented single side etching process ensures high-reflection polishing results. The InOxSide^® Blue is equipped with a superior Eta-up cleaning technology for final clean and thus best back side preparation for perfect passivation results.