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Shanghai Huahong Grace Receives Patent Authorization for 'Trench Gate Manufacturing Method'
2025-01-20 /
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Author：小编
Shanghai Huahong Grace Semiconductor Manufacturing Co., Ltd. has recently been granted a patent titled 'Trench Gate Manufacturing Method' with authorization announcement number CN114220734B. This patent was initially filed on December 13, 2021, and was officially authorized on December 10, 2024. The acquisition of this patent underscores Huahong Grace's prowess in innovation within the realm of semiconductor manufacturing.
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