Osong Medical Innovation Foundation, Korea University Research and Business Foundation

Jongheun Lee

Kunho Lee

Ju Seop Lee

Boyoung Kim

Seongyong Jeong

Jiwook Yoon

Changhoon Kwak

The inventive concept relates to a complex for detecting gas responsive to gas to be tested. The complex for the detecting the gas contains a nanostructure made of an oxide semiconductor, and a Terbium (Tb) additive supported on the nanostructure.

Gas detection complex and method for producing same, gas sensor comprising gas detection complex and method for manufacturing same

A method of manufacturing a gas sensor for detecting xylene is provided. A method of manufacturing a gas sensor includes reacting a mixed material including a first material containing a cobalt (Co) element and a second material containing a chromium (Cr) element to form a CoCrOhollow structure having a hollow shape.

CoCrO-based gas sensor and method for manufacturing the same

A reflectionless frequency filter circuit is provided. The reflectionless frequency filter circuit may include a first partial circuit including a first inductor and a first resistor connected in parallel with the first inductor, a first inverter connected in parallel with the first partial circuit, and a third partial circuit connected in series with the first inverter, and the third partial circuit may include a third inductor and a third resistor formed in a branch line between the first inverter and the third inductor.

Growing community of inventors

Seoul, South Korea

Jongheun Lee