<p>Today we creating silicon mold with holes - creating this kind of pattern takes a lot of time.</p><p>in the end we need to create some mold of holes, abut what if we will create in the clean room silicon pillars instead of holes the pillars have less area that need to be exposed so the lithography should be faster. after that we can take this pillar mold and create negative mold of holes from PDMS, as many as we like because creating the molds will take now half an hour for each mold and there will be no need to go to the clean room any more.</p>

In past decades, polymeric micropillar devices have gained a great deal of attention in micro and nano technology research as the result of their potential and practical usage in many applications. This project is going to deal with the process of how to fabricate the magnetic micropillars, from the beginning â the planning and design, improving the existing process, lithography to create the base silicon mold and then creating the PDMS pillars that contains nano magnetic particles of Fe_3 O_4, the process today is not efficient enough in terms of cost and time and we are wishing to improve it, in  the end we will have a device with micro-pillars that can move correspondingly to external magnetic field which will help us to do many advanced experiments in the biology field like using the device for cell stimulation.

Magnetic PDMS micro-pillars

Solving problems and innovations in chemical processes

System' Complexity – The number and diversity of elements and element interrelationships within and across the boundaries of a system.  The user may be an element of the system that increases the complexity.  Includes issues like the number of functions, number of interfaces and connections, excessive number of components.    'Control' Complexity – complexity of the control system – either physical components or the algorithms that it contains- used to control a system in delivering useful functions.

Device complexity

time, cost and make the process more simple

Segmentation

The Other way around

Parameter changes

(Robustness) A system's ability to perform its intended functions in predictable ways and conditions.  Also includes durability and issues related to the performance or degradation in performance of an object or system over prolonged periods.

Reliability

because it never been done we cant be sure if it will work and what the quality of the device will be

we need to expose a lot of area to create the holes

creating one mold takes long time in the clean room

create copies from a working device and not from scratch

new process without the need of clean room

we need to improve the process or find a way to skip it

we need to change the pattern to make the process faster

fabricate in the clean room pillars mold instead of holes mold

use pillars mold to fabricate outside the clean room multiple holes mold as needed

make multiple molds in the clean room at the same time