玻璃基板的制造方法及玻璃基板的制造装置

• Format: Patent
• Language: Chinese
• Published: 01.08.2017
• Subjects: CHEMISTRY; CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION ORPROCESSING OF GOODS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GLASS; MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES; METALLURGY; MINERAL OR SLAG WOOL; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS; TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINSTCLIMATE CHANGE

本发明提供种玻璃基板的制造方法及玻璃基板的制造装置，其可提高玻璃基板的生产量以及提高翘曲品质。本发明的玻璃基板的制造方法是采用下拉法制造玻璃基板的方法。下拉法是使熔融玻璃自成形体溢流而成形为平板玻璃，并面于流下方向拉伸平板玻璃，面加以冷却。玻璃基板的制造方法是于平板玻璃自成形体分离后，当平板玻璃的温度处于自高于软化点的温度至缓冷点附近的温度区域内时，面向平板玻璃的侧部施加张力，面将侧部的黏度维持在10～10泊的范围内并加以冷却。