1. SCHOTT Glass Substrates for Microfluidic Systems Alistair Rees MF-2.4 Second European Microfluidics Consortium Meeting, Salzburg, 10 December 2010

2. 1. Overview of SCHOTT 3. Glass Types & Formats used for Microfluidics 4. Production of Flat Glass Agenda 2. Why use Glass for Microfluidics? 5. Photostructurable Glass Ceramic 6. Summary

4. Key Figures capital expenditures in property, plant and equipment 216 million euros global sales, 73% generated outside of Germany 2.26 billion euros employees, 6,500 of whom are in Germany 17,400 production plants and sales offices in 43 countries Fiscal Year 2008/2009 earnings before interest and taxes (EBIT) -22 million euros

5. SCHOTT Business Units Solar Home Tech Flat Glass Pharmaceutical Systems Electronic Packaging Advanced Materials Lighting and Imaging

8. Flat Glass Formats for Microfluidics Microfluidic Foundries Processed Wafers Flat Glass Sheets MicroFluidic Device Manufacturer D263 T, Borofloat 33 and B270 wafers for manufacture of microfluidic components D263 M “Optical” covers for polymer microfluidics

9. SCHOTT Sites Producing Glass for Microfluidics Grünenplan Jena Mainz

10. Melting Technologies for SCHOTT Flat Gl asses Microfloat Microfloat Down-Draw Up-Draw

13. Overview of the Microfloat process Cutting/ Inspection Annealing Floating Melting tank 80 °C 730 °C 1240 °C 1650-1700°C Melting Technologies for SCHOTT Flat Glasses Glass Tin bath Glass Lip stone

14. Details of the Microfloat Process Lip Stone Heating Element Glass Lift Out Roller Reducing Atmosphere Melting Technologies for SCHOTT Flat Glasses Molten Tin Bath

16. Overview Thickness of SCHOTT Flat Glasses 0,7 mm 0,4 mm 0,1 mm 0,2 mm 0,3 mm 0,5 mm 0,6 mm 0,8 mm 0,9 mm 1,0 mm 1,1 mm 1,2 mm 1,3 mm 0,05 mm 10 mm Thickness Range ……………… 3 mm

19. Foturan Photostructurable Glass Ceramic 1. Mask / UV Exposure 2. Heating / Crystallisation 3. Chemical Etching 500 – 600 °C HF

21. End Thank you !