Heterogeneous Systems Integration (HSI) Group

Metal wires plated onto seed layer in nano-pores within a polymer template
Metal wires plated onto seed layer in nano-pores within a polymer template

The creation of electronic systems from devices with different technological backgounds is the role of the Heterogeneous systems Integration group in Tyndall. The technologies utilised to achieve this stem from a combination of semiconductor packaging technologies and silicon fabrication processes which operate at the wafer scale and are addressed under our facilities banner.  All of these technologies reduce the length of interconnect that electrically connect the system to the outside world and enable it to act faster and more efficiently. These internal system level connections reduce system footprint and improve electrical performance.

The group is supported by a number of national and international collaborative research projects which address systems integration aspects across a broad range of application areas. However, the motive force which is driving our research agenda is to fully integrate systems which have been prototyped within the Wireless Sensor Networks group with whom we closely collaborate.

All electronic systems need to be connected together by some form of interconnect technology. This could be done by conventional semiconductor packaging technologies such as wire bonding or solder bumping or by more advanced system level interconnect technologies such as nanowire-polymer combinations and flip chip assembly on flexible and rigid substrates. which form part of our research activities. Close collaboration also exists between the HSI group and the Electrochemical Deposition & Micropower group. Where we work together on the deposition of under bump metallization schemes and plated metal interconnect regions. Extensive use of numerical simulation informs this research activity.

In addition to interconnecting different systems electrically to create we have started to develop packaged MEMS based systems which incorporate different types of MEMS structures and Microneedles  which are integrated together to perform mechanical and fluidic functions.


Alan Mathewson
Phone: +353 21 490 4142
Email: alan.mathewson(at)tyndall.ie

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