Mask and projection exposure method

Radiation imagery chemistry: process – composition – or product th – Radiation modifying product or process of making – Radiation mask

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430322, 430330, 428432, G03F 900

Patent

active

056331010

ABSTRACT:
An exposure mask formed with a predetermined pattern for exposure on a substrate to be subjected to exposure comprises a glass substrate and a heat conductive film having a thermal conductivity higher than that of the glass substrate, wherein the heat conductive film is so formed as to cover substantially an entire surface of the glass substrate, and the pattern is so formed as to be in contact with the heat conductive film.

REFERENCES:
patent: 4080267 (1978-03-01), Castellani et al.
patent: 4448865 (1984-05-01), Bohlen et al.
patent: 4558949 (1985-12-01), Uehara et al.
patent: 4650983 (1987-03-01), Suwa
patent: 4770531 (1988-09-01), Griesdorn
patent: 5117255 (1992-05-01), Shiraishi et al.

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