نتایج جستجو برای: novolac
تعداد نتایج: 147 فیلتر نتایج به سال:
The processes of modifying the structural and optical properties FP9120 S1813 diazoquinone–novolac photoresist films on single-crystal silicon wafers beyond range ions by implantation light B+, P+ heavy Sb+ have been studied using techniques attenuated total reflection Fourier-transform IR spectroscopy, indentation, measurement spectra. It has shown that during B+ ions, involving photosensitive...
SU-8 is an epoxy-novolac resin and a well-established negative photoresist for microfabrication and microengineering. The photopolymerized resist is an extremely highly crosslinked polymer showing outstanding chemical and physical robustness with residual surface epoxy groups amenable for chemical functionalization. In this paper we describe, for the first time, the preparation and surface modi...
Wood liquefaction was conducted using phenol as a reagent solvent with a weak acid catalyst in two different reactors: (Alma et al., 1995a.) an atmospheric glass reactor and (Alma et al., 1995b.) a sealed Parr reactor. Residues were characterized by wet chemical analyses, Fourier transform infrared (FT-IR) spectroscopy, and X-ray diffraction (XRD). The FT-IR spectra of the liquefied wood residu...
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