Multilayer Circuit Board
by Gerd Guenther/science Photo Library
Title
Multilayer Circuit Board
Artist
Gerd Guenther/science Photo Library
Medium
Photograph - Photograph
Description
Light micrograph of a section through a multilayered printed circuit board (PCB) from a computer. A small part of a PCB was embedded in light curing resin and then ground and diamond polished. The image shows the basic epoxy material of the PCB with glass reinforcement filaments in linen weave (blue) with two copper layers of the multilayer. Microscopic contrast technique: Incident brightfield combined with UV excitation fluorescence. Magnification 100x when printed 10 centimetres wide.
Uploaded
February 17th, 2021
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