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- W2157823304 abstract "Polyimide precursors were synthesized from a diamine and a diacid chloride that was derived from the reactant with promellitic dianhydride and o-nitrobenzyl alcohol. Their thermal properties were studied in nitrogen using dynamic thermogravimetry, and the photoreaction mechanism was investigated by ultraviolet and infrared spectrophotometry. The polyimide precursors were spin-coated onto silicon wafers, prebaked, and then exposed to UV light from a high pressure Hg–Xe lamp. When the films were dipped into 2% aqueous KOH after irradiation, the exposed area dissolved forming high resolution patterns. Relative sensitivities of the polymers were determined." @default.
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- W2157823304 date "1987-04-01" @default.
- W2157823304 modified "2023-10-16" @default.
- W2157823304 title "Preparation of positive photoreactive polyimides and their characterization" @default.
- W2157823304 doi "https://doi.org/10.1002/app.1987.070330528" @default.
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