CERAMIC SUBSTRATE, CERAMIC CIRCUIT BOARD, SEMICONDUCTOR DEVICE, METHOD FOR MANUFACTURING CERAMIC SUBSTRATE, AND METHOD FOR MANUFACTURING CERAMIC SPLIT SUBSTRATE
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United States of America
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Issued Date -
Apr 3, 2025
app pub date -
Nov 25, 2024
filing date -
Nov 25, 2024
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Abstract
In a ceramic substrate according to an embodiment, there are two or more peaks within a range of 98 eV or higher and 106 eV or lower in a spectrum obtained by measuring a laser-irradiated zone on a laser-processed surface by X-ray Photoelectron Spectroscopy (XPS). A ceramic circuit board and a semiconductor device including the ceramic substrate are provided. Methods for manufacturing the ceramic substrate and a ceramic split substrate are also provided.
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