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Home › Method for preparing a thin layer that includes forming a weakened zone in a central portion of a donor substrate that does not extend into a peripheral portion of the donor substrate and initiating and propagating a splitting wave in the weakened zone that does completely not propagate through the peripheral portion

Method for preparing a thin layer that includes forming a weakened zone in a central portion of a donor substrate that does not extend into a peripheral portion of the donor substrate and initiating and propagating a splitting wave in the weakened zone that does completely not propagate through the peripheral portion

US Patent 12469743 · Granted Nov 11, 2025

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