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公开(公告)号：US20250040322A1
公开(公告)日：2025-01-30
申请号：US18780099
申请日：2024-07-22
Applicant: NICHIA CORPORATION
Inventor： Mitsuo HAMADA , Hiroaki TAMEMOTO , Minoru YAMAMOTO , Ryota TAOKA , Kenta NISHIHARA
IPC: H01L33/58
Abstract: A method of manufacturing an optical member includes: providing a polycrystalline wavelength conversion member including phosphor particles and having a first surface and a second surface opposite to the first surface; forming a modified portion inside the wavelength conversion member by focusing laser light inside the wavelength conversion member; and cleaving the wavelength conversion member with the modified portion being a starting point, which includes pressing the wavelength conversion member from a first surface side.
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