BLANK MASK AND PHOTOMASK USING THE SAME

A blank mask includes a light-transmitting substrate; and a light-shielding film on the light-transmitting substrate. The light-shielding film includes a transition metal and oxygen, and a scum formation time required to generate scum is 120 minutes or more when light with a wavelength of 172 nm and...

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Bibliographische Detailangaben
Hauptverfasser: SHIN, Inkyun, KIM, Seong Yoon, KIM, Suhyeon, LEE, Hyung-ju, CHOI, Suk Young, SON, Sung Hoon, JEONG, Min Gyo
Format: Patent
Sprache:eng
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Zusammenfassung:A blank mask includes a light-transmitting substrate; and a light-shielding film on the light-transmitting substrate. The light-shielding film includes a transition metal and oxygen, and a scum formation time required to generate scum is 120 minutes or more when light with a wavelength of 172 nm and an intensity of 10 kJ/cm2 is applied on the light-shielding film.