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Abstract:
本发明公开了一种Micro LED芯片的激光辅助快速转移方法,包括:将衬底上的Micro LED芯片刻蚀成非对称形状,采用超短脉冲激光束辐照Micro LED芯片,使GaN层发生改性;并将其置于腐蚀液中并加热,剥离衬底;将剥离后的Micro LED芯片置于悬浮液中,中间模板的微结构凹槽捕获流经的Micro LED芯片;将目标基板置于中间模板的正上方,使目标基板上的芯片安装位与中间模板捕获的Micro LED芯片位置对准,翻转吸附后中间模板与目标基板,使Micro LED芯片落入目标基板的芯片安装位处。本发明可实现Micro LED芯片的快速、高精度、高良率转移,同时具有较低技术成本。
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Patent Info :
Type: 发明申请
Patent No.: CN202211483927.6
Filing Date: 2022-11-24
Publication Date: 2023-04-04
Pub. No.: CN115911195A
Applicants: 北京工业大学
Legal Status: 实质审查
Cited Count:
WoS CC Cited Count: 6
SCOPUS Cited Count:
ESI Highly Cited Papers on the List: 0 Unfold All
WanFang Cited Count:
Chinese Cited Count:
30 Days PV: 6
Affiliated Colleges: