| 摘要 |
A light-emitting element having: a gallium oxide substrate on a front surface of which a crystal of a semiconductor material having a light-emitting element part is grown; and a substrate protection layer formed on a back surface of the gallium oxide substrate. A method of making a light-emitting element having the steps of: forming a substrate protection layer on a back surface of a gallium oxide substrate; growing a crystal of a semiconductor material having a light-emitting element part on a front surface of the gallium oxide substrate; and assembling the light-emitting element so as to form a electrical connection for the light-emitting element part.
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