Master’s Thesis: Mechanical Stability Assessment of Transducers for Acousto-Optic Deflectors
Täby, Sweden2w ago
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Skills
About the role
Mycronic is a global high-tech company whose innovative solutions have been advancing electronics technology for over 50 years. Today we continue to grow and serve customers in an expanding variety of industries. What we do impacts the future of technology, and in turn, the way we live our lives tomorrow.
Mycronic continues to grow across a wide range of industries, and the Pattern Generator (PG) division, which you will belong to, currently holds a unique position in the market as the world’s leading supplier of mask writers for the production of advanced photomasks. Every high-resolution display you see - whether it’s a TV, phone, tablet, or Apple Watch, has been manufactured with the help of Mycronic’s machines as part of the production process.
We are now looking for a Master’s student who would like to carry out their thesis project with us and contribute new academic knowledge to our Core Tech Innovation Team within the Pattern Generator Division.
Background
Mycronic mask writers use acousto-optic deflectors (AODs) to control and scan laser light. A key component of an AOD is the piezoelectric transducer, which converts an electrical RF signal into acoustic waves.
These transducers consist of multiple thin-film layers deposited on an acousto-optic substrate. Their design requires consideration of acoustic, electrical and mechanical behaviour. Predicting the mechanical consequences of complex multilayer structures remains an important design challenge.
Differences in material properties can generate stresses during fabrication and operation, potentially causing deformation, substrate curvature, cracking or delamination. A methodology for predicting such effects early in the design process will support the development of future transducer concepts.
Research Question
How can the mechanical stability and fabrication feasibility of multilayer thin-film transducer structures be predicted early in the design process using analytical and/or numerical modelling?
The work may include investigating:
The influence of material properties and process parameters on stress and deformation.
Methods for predicting curvature and mechanical failure risks in multilayer thin-film structures.
Approaches for establishing a reusable design-assessment methodology for future transducer concepts.
Scope