The microlithographic process, essential in the fabrication of microdevices, uses high-energy radiation to transfer a pattern onto a thin film of polymer resist. Pattern transfer occurs by modifying the properties (solubility or volatility) of the polymer film exposed to radiation. Poly(olefin sulfones) exhibit a high sensitivity to x-rays, which is a desirable property for polymer resists used in the microlithographic process. The potential utility of these new resins prompted a study of the mechanism of degradation promoted by x-ray radiation. In this study, the effect of x-ray radiation on polysulfones with varied chemical structures was analyzed using x-ray absorption near-edge structure (XANES) spectroscopy and in-situ mass spectroscopy (MS). Interesting differences in the mode of degradation of certain poly(olefin sulfones) was observed. The results provide important groundwork for further studies of polysulfones as x-ray resists.
The microlithographic process, essential in the fabrication of microdevices, uses high-energy radiation to transfer a pattern onto a thin film of polymer resist. Pattern transfer occurs by modifying the properties (solubility or volatility) of the polymer film exposed to radiation. Poly(olefin sulfones) exhibit a high sensitivity to x-rays, which is a desirable property for polymer resists used in the microlithographic process. The potential utility of these new resins prompted a study of the mechanism of degradation promoted by x-ray radiation. In this study, the effect of x-ray radiation on polysulfones with varied chemical structures was analyzed using x-ray absorption near-edge structure (XANES) spectroscopy and in-situ mass spectroscopy (MS). Interesting differences in the mode of degradation of certain poly(olefin sulfones) was observed. The results provide important groundwork for further studies of polysulfones as x-ray resists.
X-rays the X-rays is an illustrated children's book. It is both fun and educational. It consists of mini-stories full of alliteration and tongue twisters that are based on word conversions (or...
Object Lessons is a series of short, beautifully designed books about the hidden lives of ordinary things.
X-rays are powerful. Moving through objects undetected, revealing the body as a tryptic of...
This is an EXACT reproduction of a book published before 1923. This IS NOT an OCR'd book with strange characters, introduced typographical errors, and jumbled words. This book may have occasional...
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