Samsung Sdi Co., Inc.

Angelswing Inc

Jun Young Jang

Jung Min Choi

Kwen Woo Han

Ki Wook Hwang

Ji Hye Lee

Hyun Jung Kim

Ji Sun Lee

Hyung Rang Moon

Youn Jin Cho

Sang Ran Koh

Yong Woon Yoon

Won Nyoung Park

Joon Mo Yang

An apparatus for providing drone data provides a method of matching a user who needs drone data of a certain area with at least one provider capable of providing drone data of a part or the entirety of the certain area.

Method and apparatus for providing drone data by matching user with provider

An etching composition for silicon nitride comprising: a phosphoric acid compound; water; and at least one of a silane compound represented by Formula 1, below, and a reaction product thereof, and an etching method using the same are disclosed, 

Composition for etching silicon nitride film and etching method using same

An etching composition for silicon nitride layers and a method of etching a silicon nitride layer using the composition, the etching composition including an inorganic acid or a salt thereof; a solvent; an acid-modified silica or an acid-modified silicic acid; and a cyclic compound containing four or more nitrogen atoms.

Etching composition for silicon nitride layer and method of etching silicon nitride layer using the same

Growing community of inventors

Suwon-si, South Korea

Jun Young Jang