:: Beasiswa-Scholarship ::3.30.2006

Oxford: Mathematic Postgraduate Studentship

Kategori: Beasiswa s2 (master) luar negeri di Oxford jurusan matematika

Postgraduate Studentships Mathematics


STUDENTSHIP: EPSRC STANDARD STUDENTSHIP + £2000 per annum enhancement + College and University fees.

Applications are invited for a postgraduate studentship, funded by EPSRC and DuPont, to work on "Mathematical Modelling of the Screen Printing Process" with Dr Peter Howell and Dr Chris Breward (from the Oxford Centre for Industrial and Applied Mathematics, part of the Mathematical Institute), and Dr Richard Young (DuPont). The studentship is available for 1 October 2006 start and is subject to standard Doctoral Training Account rules for eligibility.

Screen printing of thick film pastes has been used since the 1960s to produce electronic circuits. The process uses the paste as a vehicle to transport metal and/or inorganic powders onto the required circuit pattern on the substrate by means of the screen-printing process. In this process the screen is held under tension above the substrate and a pool of paste is laid on top of the screen in front of the squeegee. The squeegee is depressed and moved forward and the motion forces paste through the screen and generates the printed pattern.

In practice, the pattern formed by the screen-printed paste is different from the screen's pattern due to the paste rheology, surface energies, application geometry and dynamics. For some applications, such as silicon photovoltaic cells, the definition of the printed pattern is a critical performance parameter. Modelling of the process with bring valuable insight into design of future high resolution screen printing products and processes.

This studentship will build on previous work which has assumed that the paste is a Newtonian fluid. We will (i) formulate realistic models for the rheology of thick film pastes, based on experiments, (ii) apply the model to the transfer of paste through the screen, (iii) apply the model to the release of the screen from the printed pattern and (iv) combine (ii) and (iii) to give a complete model for the process and enable predictions of the printing and patterning.

The studentship is attached to St Anne's College

Further particulars may be obtained from Margaret Sloper at The Mathematical Institute, 24-29 St Giles, Oxford, OX1 3LB, email graduate.studies@maths.ox.ac.uk. Applications should include a CV, covering letter, the name and address of three referees and the University's application form for graduate study which can be downloaded from http://www.admin.ox.ac.uk/postgraduate/apply/forms/appform.pdf (note that this requires the attachment of a transcript of your undergraduate degree) and must arrive by lunchtime on 1 May 06. Applicants must arrange for their referees to send references direct to the Administrative Assistant (fax or e-mail is sufficient) by the closing date. Please quote reference BK/06/08.

Oxford University is an Equal Opportunity Employer.

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