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|1. (WO2018124738) COMPOSITE STRUCTURE, AND METHOD FOR FORMING SAME|
|Applicants:||IONES CO., LTD.
|Inventors:||PARK, Jae Hyuk
KIM, Dae Gean
LEE, Myoung No
KIM, Byung Ki
|Title:||COMPOSITE STRUCTURE, AND METHOD FOR FORMING SAME|
The present invention relates to a composite structure, and a method for forming same, and the technical issues to be solved are to provide a composite structure that can prevent damage and breaks to the substrate surface due to mechanical impact during functional layer formation by forming the functional layer after protecting the substrate surface, which can develop fine cracks or etching due to high surface roughness or powder particle collisions, by forming a buffer layer thereon, and a method for forming the composite structure. To that end, disclosed are the composite structure, and method for forming same, the composite structure comprising: a substrate which has surface roughness of 0.1 ㎛ or greater or which is made of organic material; a buffer layer in which buffer powder is coated on the substrate by means of mechanical impact; and a functional layer in which functional powder is coated on the buffer layer by means of mechanical impact, wherein the strength of the buffer layer is less than the strength of the functional layer.