A novel bottom antireflective coating wo
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L.A. Wang; H.L. Chen
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Article
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2000
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Elsevier Science
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English
⚖ 199 KB
Hexamethyldisiloxane (HMDSO) is used as coating material in a conventional ECR-PECVD process. By simply adjusting the gas flow rate ratio, the material can be varied to have suitable optical constants for making bottom antireflective coating (BARC) layers working at both 248 nm and 193 nm wavelength