Method for Preparing a Periodically Poled Structure
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United States of America Patent
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app pub date -
Nov 30, 2007
filing date -
Jan 2, 2007
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Abstract
A method for preparing a periodically poled structure comprises the steps of providing a ferroelectric substrate having an upper surface and a bottom surface, forming an upper electrode including at least one first block and at least one second block on the upper surface, forming a bottom electrode including at least one third block and at least one fourth block on the bottom surface and performing a plurality of poling processes to form at least one first domain and at least one second domain in the ferroelectric substrate, wherein the first domain is formed between the first block and the third block, and the second domain is formed between the second block and the fourth block.
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