蓝宝石晶体生长装置专利技术综述

Patents Review of Sapphire Crystal Growth Equipment

近年来,随着蓝宝石在产业上应用的扩大推广,有关蓝宝石的专利申请量急剧增加,其技术及发展方向引起国内外的广泛关注。虽然生产和制备蓝宝石的方法有多种,但是,用于蓝宝石生长的装置却具有相同和相似之处。由于加热器、保温装置和坩埚的设置对于所生长的蓝宝石晶体质量有着重要的影响,本文首次综述了有关蓝宝石生长装置中加热器、保温装置和坩埚的国内外专利申请量,分析其技术演进路线和寻找技术发展方向。

With sapphire crystal expandation application in industry, the patents about sapphire increased dramatically in recent years, its trend direction aroused widespread concern at home and abroad. Although there are many techniques to prepare sapphire crystal, the equipments for sapphire crystal have the similarities. Due to the important influence of heaters, heat preservations and crucibles on the quality of sapphire crystal growth, this paper reviews the patents about the heaters, heat insulations and crucibles in sapphire equipment through the worldwide, and analyzes their technological evolution routs and look for the direction of technological development.