The ATLAS Forward Proton (AFP) detector is designed to identify events in
which one or two protons emerge intact from the LHC collisions. AFP will
consist of a tracking detector, to measure the momentum of the protons, and a
time of flight system to reduce the background from multiple proton-proton
interactions. Following an extensive qualification period, 3D silicon pixel
sensors were selected for the AFP tracker. The sensors were produced at CNM
(Barcelona) during 2014. The tracker module assembly and quality control was
performed at IFAE during 2015. The assembly of the first AFP arm and the
following installation in the LHC tunnel took place in February 2016. This
paper reviews the fabrication process of the AFP tracker focusing on the pixel
modules.Comment: PIXEL 2016 proceedings; Submitted to JINS
