BusinessAugust 15, 2026

backsheet

BAK-sheet

Definition

The protective, non-conducting layer applied to the rear side of a solar module to insulate the internal cells from environmental exposure.

Etymology

A compound of 'back' and 'sheet,' the term emerged in industrial contexts to describe a flexible, protective layer or backing material applied to the rear surface of a component.

In the news

The article uses the term to describe the 'monofacial glass-backsheet configuration' of AIKO's solar modules, specifying the materials used to seal and protect the rear of the panel.

TOP SOLAR MODULES Listing – August 2026

Read the full article ↗

TaiyangNews

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