• 한국방송∙미디어공학회:학술대회논문집
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• 한국방송공학회 1999년도 KOBA 방송기술 워크샵 KOBA Broadcasting Technology Workshop
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• pp.227-232
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• 1999

We have been making researches on 3-D displays using computer-generated holograms(CGHs). Our CGHs are binary Fresnel holograms that reconstruct point light sources and are recorded by using high resolution laser printers (image setters). We use an image setter with a resolution of 5080 dots per inch. It is possible to reconstruct CGHs with light-emitting points. As the resolution of the image setter is not so high, it is better to use a spherical wave as a reference beam. We considered the recordable points objects are restricted by the low resolution, and proposed the multiplex type hologram to reduce the number of point objects recorded in the unit area of the CGH. We proposed a method to make computer-generated color hologram which could reconstruct color point light sources, by combining RGB color filters with the stripe CGHs corresponding to each color. We considered two kinds of gradation method on our binary CGHs. In this paper, we propose a multiple reconstruction method for improving the narrow viewing field.

• 프린팅코리아
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• 제11권4호
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• pp.110-112
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• 2012

최근에 출시된 UV CTP의 경우 일반 PS판을 사용하는 경우가 대부분이다. 하지만 몇 년 전만 해도 전용 PS판을 사용해야 했기 때문에 대부분의 인쇄사가 CTP 도입을 꺼리는 이유가 됐다. 이러한 상황에서 가장 먼저 일반PS판을 사용하는 CTP를 공급해오고 있는 회사가 있다. 바로 (주)에스앤아이시스템즈에서 공급하는 바시스피린트사의 UV CTP가 바로 그것이다. 바시스피니트사의 UV Setter가 우리나라 CTP시장을 바꾸어 놓았다 해도 과언이 아니다. 에스앤아이시스템즈를 방문해 바시스프린트사의 UV CTP와 함께 CTP시장 전망에 대해 들어본다.

• 한국세라믹학회지
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• 제12권2호
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• pp.21-25
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• 1975

As the major alumina source, domestic alunite was applied to synthesize the clinker for rapid hardening cement. The main minerals of the clinker were found to be C3S, C11A7-CaF2 and some C4AF by means of chemical treatment, x-ray diffraction analysis and microscopic observation. Rapid hardening cement was made of the clinker by adding suitable amount of hemi-hydrite and anhydrite. The setting time of the cement was regulated with citric acid as setter.

• 한국공작기계학회논문집
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• 제11권5호
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• pp.93-99
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• 2002

In general, manufacturing error is originated from bad material, machine tool defection and tool breakage. When the manufacturing process is stable, the most of error come from the tool wear. In common on-machine measurement teaching probe and touch sensor are widely used however in this paper the electric touch point type automatic tool compensation system is developed the performance of it is validated and effective operating is proposed.

• 한국인쇄학회지
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• 제16권2호
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• pp.45-59
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• 1998

Halftonig is a technique to create the appearance of intermideate tone levels by controlling the spatial distribution of the binary pixel values. Recently, many printing devices such as image setter, inkjet printer, laser printer and facsimile, generate image, they require the technique. Ordered dither is achieved comparing the gray scale image to periodic array. This method is fast, but it occurs periodic patterns. Conentional error diffusion generates a good image. But processing speed is very slow and appeares worm artifacts in middle tone scale. To improve it, Bns(Blue noise Screen) is developed based on Gaussian distribution. In this paper, we discribe methods to design BNS based human visual characteristics and to improve blue appearing at edge area of image by USM(using unsharp mask).

• 대한전기학회논문지
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• 제40권1호
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• pp.10-17
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• 1991

An improved control method in turbine control system is proposed. By automatic follow-up design, power system frequency may be maintained within prespecified range. Base or half load control is possible by distributing power plant load allotment. Otherwise, diminutive frequency-load control is dine by governor-free operation in power plant. This paper proposes governor-free operation which is automatically followed by load-limitter setter. The condition which limits governor action may be somewhat improved within boiler condition by this idea. This design has been implemented at Samchunpo thermal power plant. The improved practical results are shown.

• 한국실내디자인학회:학술대회논문집
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• 한국실내디자인학회 2007년도 춘계학술대회 논문집
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• pp.47-48
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• 2007

The commerce space of today knew and simply in the space where it creates only space of the profit creation which leads a business the hay to reflect the sensitivity of the consumer new consuming culture trend it changed. It is a new trend it creates and it leads to sprout trend consumer class of leader trend(Trend Setter) as it does. This restaurant is one type of food culture which is various brunch it does with the important menu which it will pay. This design concept and one design inside the vigor garage side which reflects and to sleep the design concept which the traditional France restaurant has and has a discrimination from the plan which it sees and it applies new food culture it develops it does. Existing the reel rear design tendency which specialty restaurant is investigation it arranged the design discrimination strategy which is the possibility the shop which it tries to analyze having.

• 한국세라믹학회지
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• 제31권6호
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• pp.651-659
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• 1994

BaTiO3 ceramics were sintered on Al2O3, MgAl2O4, MgO and Mg-, Ca-, Y-stabilized zirconia setters. Then the influence of setters on the microstructure of BaTiO3 ceramics and the stability of setters were investigated by SEM, EDAX and XRD analyses. The microstructure of BaTiO3 ceramics sintered on Al2O3, MgAl2O4, MgO and Mg-PSZ showed large grain growth, but little grain growth on Ce-TZP(Tetragonal Zirconia Policrystal). Mg-PSZ(Partially Stabilized Zirconia), Ca-PSZ, Ce-TZP setters showed extensive phase transformation. Y-TZP and fused Y-SZ (Stabilized Zirconia) setters were stable. The liquid sintering aids of BaTiO3 ceramics accelerate mass transport. The reaction of SrTiO3 in BaTiO3 with ZrO2 resulted in the formation of SrZrO3.

• Transactions on Electrical and Electronic Materials
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• 제11권6호
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• pp.243-248
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• 2010

The emergence of different and disparate materials together with the convergence of both the 'old' and 'emerging' technologies is paving the way for integration of heterogeneous technologies that are likely to extend the limitations of silicon technology beyond the roadmap envisaged for complementary metal-oxide semiconductor. Formulation of new information processing concepts based on novel aspects of nano-scale based materials is the catalyst for new nanoarchitectures driven by a different perspective in realization of novel logic devices. The memory technology has been the pace setter for silicon scaling and thus far has pave the way for new architectures. This paper provides an overview of the inevitability of heterogeneous integration of technologies that are in their infancy through initiatives of material physicists, computational chemists, and bioengineers and explores the options in the spectrum of novel non-volatile memory technologies considered as forerunner of new logic devices.

• 한국반도체및디스플레이장비학회:학술대회논문집
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• 한국반도체및디스플레이장비학회 2005년도 춘계 학술대회
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• pp.121-124
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• 2005

Getter는 진공을 이루고 유지하는데 사용되는 물질로, 잔존가스 및 불순가스를 흡수 & 제거하는 물질을 말한다. FPD나 PDP같은 평판 디스플레이는 내부에 진공을 요구하며 작동중에 발생하는 불순가스에 의해 진공도가 떨어져, plasma 방전시 방전개시전압이 상승하는 결과를 초래하기에 이에 적절한 getter의 필요성이 대두되고 있다. 본 연구의 최종 목적은 PDP 제조시 발생하는 잔존가스 및 운전중 발생하는 불순가스의 제거를 효율적으로 하여 PDP의 수명이 연장되는 고성능 getter 재료를 제조 하고자 하는 것이며, 이에 thermal plasma를 이용하여 nano size로 getter를 제조하였다. 전체적으로 $10\~30$ [nm] 크기의 Setter가 제조되었지만 응집이 많이 일어나 군집된 형상이 발생하였으며, 이는 입자가 완전히 성장하기까지 충분한 열을 받지 못하여 응집이 먼저 발생한 것으로 생각된다.