Average-density-adjustable structure, and material change and selective bonding process using same
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United States of America Patent
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Jan 12, 2021
Grant Date -
Jul 5, 2018
app pub date -
Jun 27, 2016
filing date -
Jun 25, 2015
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Abstract
The present invention relates to an average-density-adjustable structure and more specifically provides a structure the average density of which is adjusted by changing the material of the structure and the size of a void formed therein and which can thereby float on the surface of or in a liquid and can easily bond with or change a material present in a gas or liquid by being equipped with a first material, which is one among an organic catalyst, an inorganic catalyst, a microorganism, and a biomolecule.
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