CHAPTER 4 RESULTS and DISCUSSION 4.1 HOT EMBOSSING RESULT The durability of PDMS master at low working hot embossing temperature at 180 °C allowed a repetitive usage of the same PDMS master mold without a noticeable deformation of the channel features of the PDMS master. However, quantitative analysis of change in the PDMS features has not been made yet. The entire hot embossing process for fabricating COC platform highly is suitable for producing fine quality embossed pieces from the original silicon master. Compared to the embossing with an unconfined PDMS master, which results in significant changes in the
CHAPTER 4 RESULTS and DISCUSSION 4.1 HOT EMBOSSING RESULT The durability of PDMS master at low working hot embossing temperature at 180 °C allowed a repetitive usage of the same PDMS master mold without a noticeable deformation of the channel features of the PDMS master. However, quantitative analysis of change in the PDMS features has not been made yet. The entire hot embossing process for fabricating COC platform highly is suitable for producing fine quality embossed pieces from the original silicon master. Compared to the embossing with an unconfined PDMS master, which results in significant changes in the
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