金融界2025年8月23日消息，国家知识产权局信息显示，株式会社东芝、东芝高新材料公司申请一项名为“表面缺陷检查方法、陶瓷球的制造方法以及表面缺陷检查装置”的专利，公开号CN120530314A，申请日期为2024年01月。
专利摘要显示，本发明涉及表面缺陷检查方法、陶瓷球的制造方法以及表面缺陷检查装置，实施方式所涉及的具备球面部的陶瓷烧结体的表面缺陷检查方法的特征在于，具备：配置工序，在具有多个球状部件的配置部件上配置所述陶瓷烧结体；摄影控制工序，通过使配置于所述配置部件上的所述陶瓷烧结体随着所述多个球状部件的旋转而旋转，由此从多个方向对配置于所述配置部件上的所述陶瓷烧结体进行摄影而取得多个图像；及检测工序，根据所述多个图像来检测所述陶瓷烧结体的表面缺陷。
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