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PCB layers refer to copper layers on a printed circuit board, laminated between or onto layers of conductive material. The layers are stacked up to provide increased functionality for electronic devices. In this article, the concept of PCB layering, the types of layers, and their benefits are discussed.

The layer stack displays layers with a specific hierarchy. The layer at the bottom will be drawn first on the mesh, then the layer on top will follow. Therefore, the layer at the top of the stack is the last item, while the layer at the bottom is the first.

8-layer PCB stackups are special types of printed circuit boards with 8 layers offering ample routing space. You will use 8-layer PCB stackup for applications that require multiple power islands with signal layers of one referencing power plane.

To open the Layer Stack Manager select Design » Layer Stack Manager from the main menus of the PCB editor. The Layer Stack Manager opens in a document editor in the same way as a schematic sheet, the PCB, and other document types do.

To change backends, run pulumi logout followed by pulumi login .

In printed circuit board design, the layer stack defines how the layers are arranged in the vertical direction, or Z plane. Since it is fabricated as a single entity, any type of board, including a rigid-flex board, must be designed as a single entity.

Each stack has a configuration and update history associated with it, stored in the workspace, in addition to a full checkpoint of the last known good update.