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Francesca Mattedi

Francesca Mattedi
MicroFabSolutions SRL

Engineer

About

19
Publications
2,514
Reads
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184
Citations
Additional affiliations
March 2007 - February 2015
Fondazione Bruno Kessler
Position
  • Researcher / Technologist
Education
September 2000 - March 2006
Università degli Studi di Trento
Field of study
  • Material Engineering

Publications

Publications (19)
Article
Full-text available
Pixel technology is commonly used in the tracking systems of High Energy Physics detectors with physical areas that have largely increased in the last decades. To ease the production of several square meters of sensitive area, the possibility of using the industrial Wafer Level Packaging to reassemble good single sensor tiles from multiple wafers i...
Article
Plasmonics applied to solar cells is a widely investigated research field. Its main purpose is to include plasmonic structures in the cell design, in order to increase light trapping in the cell and, consequently, its energy conversion efficiency. Light scattering by plasmonic structures has been extensively studied by depositing metal nanopar-ticl...
Conference Paper
Silicon radiation sensors fabricated with micromachining technologies offer a number of advantages compared to their planar counterparts, making them appealing for an increasing number of applications. This paper provides an overview of the most interesting developments in this field by Fondazione Bruno Kessler in collaboration with the University...
Conference Paper
Silicon radiation sensors fabricated with micromachining technologies offer a number of advantages compared to their planar counterparts, making them appealing for an increasing number of applications. This paper provides an overview of the most interesting developments in this field by Fondazione Bruno Kessler in collaboration with the University...
Conference Paper
The aim of this work is to present the main technological developments carried out at FBK for micro machined radiation sensors used in High Energy Physics (HEP) experiments. We report on the main technological issues to integrate silicon etching (wet and dry) techniques in the fabrication flow for silicon detector and we show some examples of innov...
Conference Paper
Silicon radiation sensors fabricated with micromachining technologies offer a number of advantages compared to their planar counterparts, making them appealing for an increasing number of applications. This paper provides an overview of the most interesting developments in this field by Fondazione Bruno Kessler in collaboration with the University...
Conference Paper
The aim of this work is to present the main technological developments carried out at FBK for micro machined radiation sensors used in High Energy Physics (HEP) experiments. We report on the main technological issues to integrate silicon etching (wet and dry) techniques in the fabrication flow for silicon detector and we show some examples of innov...
Article
Full-text available
Superconducting microwave microresonators are low temperature detectors compatible with large-scale multiplexed frequency domain readout. Our aim is to adapt and further advance the technology of microresonator detectors to develop new devices applied to the problem of measuring the neutrino mass. More specifically, we aim to develop detector array...
Article
Silicon detectors with reduced or no dead volume along the edges have been attracting a lot of interest in the past few years in many different fields. High Energy Physics (HEP) experiments are demanding this feature to ease the assembly of the innermost tracking layers, where space and material budget are usually a concern. At the same time, other...
Conference Paper
Full-text available
An improved vertical junction back-contact silicon solar cell (BCVJ cell) has been developed showing good performance under 1 sun and under concentrated light. The cell is provided with a pass-through holes matrix that acts as vertical electrodes. The holes are alternately p-and n-doped in order to form radial p-n vertical junctions. The front surf...
Article
Full-text available
We present our current progress on the design and test of Ti/TiN Multilayer for use in Kinetic Inductance Detectors (KIDs). Sensors based on sub-stoichiometric TiN film are commonly used in several applications. However, it is difficult to control the targeted critical temperature $T_C$, to maintain precise control of the nitrogen incorporation pro...
Article
We report on the main design and technological characteristics related to the latest 3D sensor process developments at Fondazione Bruno Kessler (FBK, Trento, Italy). With respect to the previous version of this technology, which involved columnar electrodes of both doping types etched from both wafer sides and stopping at a short distance from the...
Article
We report on experimental results and TCAD simulations addressing the impact of layout on the electrical characteristics of double-sided 3D diodes fabricated at Fondazione Bruno Kessler (FBK), Trento, Italy. Simulations are found to accurately reproduce the device characteristics, thus explaining the basic mechanisms governing the breakdown behavio...
Article
We report on the characterization of a new version of double-sided 3D sensors fabricated at FBK (Trento, Italy). Owing to a modified design and improved technology, the new devices feature a sizable increase of the breakdown voltage with respect to the ones previously fabricated at FBK. Before irradiation, the breakdown voltage is in the range from...
Conference Paper
In the past few years, very important progress has been made in the development of silicon 3D detectors, passing from the R&D phase with performance demonstration of a few prototypes to an industrialization phase, which led to the first production of 3D sensors to cover 25% of the ATLAS Insertable B-Layer (IBL) staves. Double-side 3D sensor technol...
Conference Paper
Full-text available
Small size silicon concentrator solar cells have been developed showing good performance in low and medium concentration range. In this work we describe the fabrication technology, characterization and modeling of these cells. The cell conversion efficiency, Internal Quantum Efficiency (IQE), Open Circuit Voltage (V OC) and Short Circuit Current De...
Conference Paper
Full-text available
In this work we present an original method for the metal-grid and the emitter doping optimization of concentrator silicon solar cells. This method is based on an analytical model describing the concentrated cell, coupled with one-dimensional electrical simulations. The procedure allows calculating the optimum cell design parameters in terms of fing...

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