PDMS Tutorial



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Recipe: PDMS: 1.5g of Curing Agent, 15g of Base. (For typical PPC slides this is 1.5g Curing Agent, 15g Base split between 2 plastic petri dishes.) Materials: - Plastic Cup - 2x 4 inch plastic petri dishes - Mixer - Weight Measuring Scale next to furnace near the developer fumehood - Nalgene Vacuum Chamber - Precision Oven @ Hone lab - The Corning SYLGARD 184 Kit - containing a Curing Agent (Black Cap) and Base (White Tub) Important: * Wear gloves for pouring and mixing; * Always keep the mixer clean, change into clean gloves before using it, and clean up after use; * Keep the levelers where they belong to; * Keep the thermometer off after checking the temperature; * Do not change the temperature of the furnace. Procedure: 1. Prepare containers - rinse with IPA & blow clean; 2. Zero out scale with plastic cup and pour 15g of Base and 1.5g of Curing Agent; 3. Change gloves so that the mixer doesn't get too dirty; 4. Wipe mixer with IPA if it is dirty; 5. Turn mixer on to the lowest setting and mix for 10mins, make sure not to hit the plastic cup while mixing; 6. Pour mixture into 2 petri dishes as evenly as possible; 7. Vent vacuum chamber, place petri dishes in and level them with glass slides and leveler, pump down and wait for 2hrs; 8. Wipe mixer with IPA; 9. Vent vacuum chamber, take out petri dishes, and pump down again; 10. Check temperature of furnace (60℃), keep thermometer turned off after checking; 11. Place petri dishes in the furnace and level them with glass slides and leveler, and close the door gently; 12. Let the PDMS harden for 24hrs (or any span of time in your own preference) before using. Purchasing: SYLGARD® 184 Silicone Elastomer Kit [Dow Corning 3097358-1004]

Published by: Columbia Hone Published at: 5 years ago Category: مردم و وبلاگ