PoS - Proceedings of Science
Volume 313 - Topical Workshop on Electronics for Particle Physics (TWEPP-17) - Packaging and Interconnects
Manufacturing experience and test results of the PS prototype flexible hybrid circuit of the CMS Tracker Upgrade
M.I. Kovacs*, G. Blanchot, T. Gadek, A. Honma and F. Vasey
Full text: pdf
Pre-published on: March 05, 2018
Published on: March 20, 2018
Abstract
The CMS Tracker Phase Two Upgrade for HL-LHC requires High Density Interconnect (HDI) flexible hybrid circuits to build modules with low mass and high granularity. The hybrids are carbon fibre reinforced flexible circuits with flip-chips and passives. Three different manufacturers produced prototype hybrids for the Pixel-Strip type modules. The first part of the publication will focus on the design challenges of this state of the art circuit. Afterwards, the difficulties and experience related to the circuit manufacturing and assembly are presented. The description of quality inspection methods with comprehensive test results will lead to the conclusion.
DOI: https://doi.org/10.22323/1.313.0054
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