Front-end hybrids for the strip-strip modules of the CMS Outer Tracker Upgrade

Gadek, T.; Blanchot, G.; Gajanec, R.; Honma, A.; Kovacs, M.

doi:10.22323/1.343.0019

Cited by 5 publications

(4 citation statements)

References 2 publications

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“…As the ASIC development advanced, it allowed for new prototypes, such as the 8CBC3 (with CBC V3) hybrid with data concentrator (CIC) mezzanine (figure 3c)). These hybrids enabled the community to build realistic module prototypes and carry out beam test studies [6].…”

Section: History Of the Hybrid Developmentmentioning

confidence: 99%

Hybrid designs and kick-off batch production experience for the CMS Phase-2 Upgrade

Kovacs,

Abbas,

Ahmed

et al. 2024

J. Inst.

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The CMS Tracker Phase-2 Upgrade requires the production of new sensor modules to cope with the requirements of the HL-LHC. The two main building blocks of the Outer Tracker are the Strip-Strip and Pixel-Strip modules. All-together 47'520 hybrid circuits will be produced to construct 8'000 Strip-Strip and 5'880 Pixel-Strip modules. The circuit designs for the mass production were fine-tuned and kick-off batches were manufactured to verify the latest changes in the designs before the series production. This contribution focuses on lessons learned from the prototyping stage, design optimization details for the mass production as well as test results and production yield from the kick-off batches.

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Section: History Of the Hybrid Developmentmentioning

confidence: 99%

Hybrid designs and kick-off batch production experience for the CMS Phase-2 Upgrade

Kovacs,

Abbas,

Ahmed

et al. 2024

J. Inst.

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“…The sensors are mounted on an aluminum structure to keep them separated by 𝑑 = 1.8 mm (where 𝑑 is the distance between the mid-planes of the sensors). A prototype hybrid [11] with two CBC3 front-end ASICs is wire-bonded to the sensors and read out through an interface board (Universal Interface Board, or UIB). The CBC3 ASICs mounted on this hybrid are both version 3.0, while the final version of the chip that will be used in the detector is version 3.1.…”

Section: The Mini-modulementioning

confidence: 99%

Test beam performance of a CBC3-based mini-module for the Phase-2 CMS Outer Tracker before and after neutron irradiation

et al. 2023

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The Large Hadron Collider (LHC) at CERN will undergo major upgrades to increase the instantaneous luminosity up to 5–7.5×1034 cm-2s-1. This High Luminosity upgrade of the LHC (HL-LHC) will deliver a total of 3000–4000 fb-1 of proton-proton collisions at a center-of-mass energy of 13–14 TeV. To cope with these challenging environmental conditions, the strip tracker of the CMS experiment will be upgraded using modules with two closely-spaced silicon sensors to provide information to include tracking in the Level-1 trigger selection. This paper describes the performance, in a test beam experiment, of the first prototype module based on the final version of the CMS Binary Chip front-end ASIC before and after the module was irradiated with neutrons. Results demonstrate that the prototype module satisfies the requirements, providing efficient tracking information, after being irradiated with a total fluence comparable to the one expected through the lifetime of the experiment.

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“…In the next iterations, the stiffener delamination problems explained in section 3.1 appeared and as a safe choice an FR4 stiffened 2CBC3 circuit was produced [3] in order to test the new front-end ASICs (CBC3.0). The final build-up was already used with the 8CBC3 hybrids, where a compensator was applied to keep the circuit build-up symmetric [3]. The Concentrator Integrated Circuit (CIC) is the data aggregator ASIC connected to all the FE ASICs.…”

Section: Evolution Of 2s and Ps Front-end Hybrid Prototypes 21 Evolut...mentioning

confidence: 99%

Front-end hybrid designs for the CMS Phase-2 Upgrade towards the production phase

Kovacs¹,

Blanchot²,

Gadek³

et al. 2022

J. Inst.

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Sixteen thousand 2S front-end hybrids and twelve thousand PS front-end hybrids will be produced for the CMS Tracker Phase-2 upgrade. The hybrids consist of flip-chips, passives and mechanical components mounted on a flexible substrate, laminated onto carbon-fibre stiffeners with thermal expansion compensators. In the prototyping phase, several critical issues have been solved to manufacture these complex circuits. Final designs are now reaching readiness for the full-scale production. Lessons learned during the prototyping phase and different improvements implemented for manufacturability will be presented in this contribution.

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Front-end hybrids for the strip-strip modules of the CMS Outer Tracker Upgrade

Cited by 5 publications

References 2 publications

Hybrid designs and kick-off batch production experience for the CMS Phase-2 Upgrade

Hybrid designs and kick-off batch production experience for the CMS Phase-2 Upgrade

Test beam performance of a CBC3-based mini-module for the Phase-2 CMS Outer Tracker before and after neutron irradiation

Front-end hybrid designs for the CMS Phase-2 Upgrade towards the production phase

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