• 한국정보디스플레이학회:학술대회논문집
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• 2008.10a
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• pp.78-81
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• 2008

We developed tight adhesion techniques of two plastic substrates to maintain cell gap stability for rugged flexible LCDs. By combining rigid spacers and several adhesion materials, we demonstrated mechanically very stable flexible LCDs against pressure and bending.

• Proceedings of the Korean Society for Noise and Vibration Engineering Conference
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• 2002.11a
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• pp.344.1-344
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• 2002

A newly devised linear flexures bearing (KIMM-LFB) for reciprocating machines is disclosed having improved reliability for long lift. KIMM-LFB is an integrated device comprising a axially moving diaphragm with circumferentially arranged arc-shaped flexure blades secured between rim and hub spacers, which turn out to have higher radial stiffness and lower Von-Mises peak stresses than the one with circumferential tangent cantilever flexure blades. (omitted)

• Journal of the Microelectronics and Packaging Society
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• v.4 no.2
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• pp.17-24
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• 1997

Spacer가 없는 Field Emission Display 정보표시소자의 진공 패키징시 패널 유리 두 께에 따른 패널 유리가 받는 응력과 패널의 중앙 부위에서의 변위를 계산하였다. 판의 각 모서리가 고정된 상태에서 일정한 압력을 받는 경우의 bending moment로부터 우리가 받는 압력을 계산하였으며 3.7"와 5.7"크기의 두가지 경우를 실험하여 계산값과 파괴양상 및 중앙 에서의 변위를 비교하였다.변위를 비교하였다.

• Electrical & Electronic Materials
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• v.19 no.9
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• pp.28-32
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• 2006

A 7.0-inch transmissive type plastic TFT-LCD was developed at the resolution of 640 $\times$ 3 $\times$ 480 lines (114ppi). All of the processed of TFT, color filter and LC were carried out below $130^{\circ}C$ on PES plastic films. The process conditions of TFT, color filter and LC were optimized for large area TFT-LCD on plastic substrate. The backplane and the color filter was strongly adhered while the panel was bending by using holding spacers.

• Proceedings of the Zoological Society Korea Conference
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• 1999.10b
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• pp.257.1-257
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• 1999

No Abstract, See Full Text

• Proceedings of the Korean Magnestics Society Conference
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• 2002.12a
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• pp.14-15
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• 2002

Iron nitride alloy films prepared in the form of laminated ${(Fe_{97}Al_3)}_{85}N_{15}/Al_2O_3$ multilayers (Ml's) due to excellent soft magnetic properties and high saturation magnetization [1, 2] are very promising materials for poles and shields in ultra high density thin film heads. The present work concerns the ferromagnetic (FM) coupling effect as a function of the thickness of $Al_2O_3$ spacers by analysis of the magnetic domain structure.

• Fisheries and Aquatic Sciences
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• v.2 no.1
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• pp.66-77
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• 1999

The sequences coding for the 5.8S rDNA and the internal transcribed spacers (ITS1 and ITS 2) from the isolates of nine isolates of Gyrodinium impudicum and two isolates of Gymnodinium sanguineum species were amplified, sequenced and compared with the previously known Alexandrium species and Gymnodinium catenatum. The genetic distance analyses based on the sequence alignment indicated that Gymnodinium catenatum and Gyrodinium impudicum species were some related, Alexandrium species was distant. G. catenatum and G. sanguineum were quite separate, but these two species belonged to the same genus. G. impudicum and G. catenatum forming the closet cluster showed some variation in the alignment of ITS regions. The length of ITS1 varied more than that of ITS2 and the length of ITS1 and ITS2 was different for each G. impudicum, Gymnodinium and Alexandrium species. Also, the length of ITS1 was shorter than that of ITS2. However, on the sequences of G. sanguineum, the length of ITS1 was longer about 23 nucleotides than that of ITS2. The phylogenetic analysis and rDNA similarity of G. impudicum and G. catenatum $(59\%)$ is higher than the that of G. catenatum and G. sanguineum $(55\%)$. It was thought that the phylogenetic analysis and the genetic distance revealed that G. impudicum and G. catenatum were clearly different species and G. impudicum may belong to the genus of Gymnodinium.

• Analytical Science and Technology
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• v.12 no.5
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• pp.397-402
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• 1999

The open-chain hexadentate $N_6$, ligand containing two pyridyl groups, 1,15-bis(2-pyridyl)-2,6,10,14-tetraazapentadecane (bpyped) has been synthesized as its tetrahydroehloride salt and characterized by EA, IR, NMR, and Mass. Its proton dissociation constants($logK{^n}_H$) and stability constants ($log\;K_{ML}$) for Co(II), Ni(II), Cu(II) and Zn(II) ions were determined at $25^{\circ}C$ and ionic strength 0.10 M($KNO_3$) in aqueous solution by potentiometry and compared with those or analogous $N_6$ ligands contain one or two propylenic spacers, which make six-membered chelate rings, between the aliphatic nitrogen atoms.

• Journal of the Korean Society of Clothing and Textiles
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• v.36 no.10
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• pp.1050-1057
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• 2012

This study helps develop a cool body armor that maintains a tight-fit configuration to the body surface and evaluates the performance of newly developed body armor in a wear test. Three types of body armor were used for evaluation. One was a tight fitting body armor that was constructed to improve the degree of fit and ease of movement for Korean soldier using 3D technology. Another was ventilating body armor with attached spacers on the shoulder to reduce the thermal stress on the soldier. The third was a prevailing body armor produced by a Korean body armor company. In order to evaluate the performance of the body armor, a human wear test, a thermal mannequin test, and computational fluid dynamics (CFD) were executed. Five subjects participated in the wear test. Subjective wear sensation, total amount of sweat and dynamic change of clothing microclimate were observed during and after exercise on a treadmill; subsequently, it was found that subjects rated tight fitting body armor and ventilating body armor lighter, drier, and easier to move than the conventional body armor (p<.05). Total amount of sweat was the least in the case of ventilating body armor. The thermal resistance and vapor resistance of the ventilating body armor were improved remarkably. In addition, the skin temperature of the ventilating body armor with spacers was lower than the tight fitting body armor by at least $1^{\circ}C$ in the CFD result. It is noted that thermal-wet comfort of the 3D body armor with ventilating feature is superior to the conventional body armor, especially when the ventilating channel is not closed due to a backpack.

• Korean Journal of Medicinal Crop Science
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• v.23 no.6
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• pp.489-499
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• 2015

Background : Plants belonging to 5 species of the genus Eleutherococcus are currently distributed in the Korean peninsula. The traditional medicine 'Ogapi', derived from Eleutherococcus sessiliflorus and other related species, and 'Gasiogapi', derived from Eleutherococcus senticosus, are frequently mixed up and marketed. Therefore, accurated identification of their origins in urgently required. Methods and Results : Candidate genes from nuclear ribosomal DNA (nrDNA) and chloroplast DNA (cpDNA) of Eleutherococcus plants were analyzed. Whereas the nrDNA-internal transcribed spacer (ITS) regions were useful in elucidating the phylogenetic relationships among the plants, the cpDNA regions were not as effective. Therefore, a combined analysis with nrDNA-ITS was performed. Various combinations of nrDNA and matK were effective for discriminating among the plants. However, the matK and rpoC1 combination was ineffective for discriminating among some species. Based on these results, it was found that OG1, OG4, OG5, OG7, GS1, GS2, and GS3 were derived from E. sessiliflorus. In particular, it was confirmed that GS1, GS2, and GS3 were not derived from E. senticosus. However, more samples need to be analyzed because identification of the origins of OG2, OG3, OG6 and GS4 was not possible. Conclusion : The ITS2, ITS5a, and matK combination was the most effective in identifying the phylogenetic relationship among Eleutherococcus plants and traditional medicines based on Eleutherococcus.