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『조선식물향명집』 “사정 요지”를 통해 본 식물명의 유래
조민제,이웅,최성호 한국과학사학회 2018 한국과학사학회지 Vol.40 No.3
This article examines the Korean plant common names recorded in Joseon singmul hyangmyeongjip, the first botanical book based on modern botanical science, published in 1937. The principles and standards of de- termining Korean plant common names were explained in the “Determina- tion Principles” at the beginning of Joseon singmul hyangmyeongjip. This ar- ticle also studies “The Review of Joseon’s Common Names on the Plants of Joseon” written in 1937, which briefly discussed the origin of Korean plant common name focusing on the Asteraceae plant distributed in the Korean peninsula before the publication of Joseon singmul hyangmyeongjip. While the scientific name, an internationally recognized universal term, is a world- wide communication tool through which plants and species are identified, the Korean plant common name would be a summarized expression, reflect- ing the relationship between the Korean people and the plants distributed throughout the Korean peninsula, from the perspective of general public. Although both names are based on science, they are based on different principles. According to our research, the authors of Joseon singmul hyang- myeongjip focused on the plant names most commonly used among the Korean people, supplementing those terms with historic names recorded in the literature.
레이저 유도 전사를 이용한 유연기판의 액체금속 미세 패터닝
조민제,지석영,조정호,장원석 한국정밀공학회 2023 한국정밀공학회지 Vol.40 No.2
We have developed a direct conductive patterning method with micro-scale line widths using the laser-induced-forward transfer (LIFT) and liquid metal. As this method does not need post-thermal processing, there is no thermal damage even on heat-sensitive polymer substrates by low-power laser irradiation on the dynamic release layer (DRL). Unlike other liquid metal patterning processes, this procedure can easily achieve fine line widths of a few tens of micrometers corresponding to laser spot size. The solid-state UV pulse laser with 266 nm wavelength and 20 ns pulse duration was used to transfer Eutectic Gallium Indium (EGaIn) liquid metal and the results for the single and multi-pulse laser irradiation were investigated to determine the effective process conditions. The applicability of flexible circuit fabrication and selective circuit repair was successfully tested on Polyimide (PI) substrate. After the LIFT process, the electrical properties of liquid metal on the pattern were measured to be approximately 5~8 x 10-3 Ω/m of resistance.