델파이법을 통한 인적자원개발(HRD) 콘텐츠산업 경쟁력 결정요인 및 장애요인 내용타당도 연구

김구성(Koo-Sung Kim),신철호(Chul-Ho Shin),김정우(Jung-Woo Kim) 한국엔터테인먼트산업학회 2013 한국엔터테인먼트산업학회논문지 Vol.7 No.3

본 연구는 인적자원개발(HRD) 콘텐츠 산업의 경쟁력 강화를 모색하기 위해 경쟁력 결정요인 및 장애요인을 델파이법으로 분석하고 이를 통한 결과를 도출하였다. 또한 본 연구에서는 델파이법을 통해 계량적 산업분석을 행함으로써 산업경쟁력의 결정요인 및 장애요인의 내적타당도를 도출하고, 이에 대한 전문가 합의 수준을 분석하였다. 이를 위해 인적자원개발(HRD)콘텐츠 산업 경쟁력 분석 모형으로 Porter의 5 Forces Model을 통해 수요자, 신규진입자, 기존공급자 차원으로 접근하였다. 그 결과 인적자원개발(HRD)콘텐츠 산업의 경쟁력 결정요인으로 수요자 차원 4가지 요인, 신규진입자 3가지 요인, 기존공급자 9가지 요인을 도출하였으며, 장애요인으로 수요자 차원 4가지 요인, 신규진입자 5가지 요인, 기존공급자 7가지 요인을 도출하였다. 이를 통한 제언은 크게 정부차원, 산업계 차원으로 제시하였다. This study is to analyze the factors which determine or impede the competitiveness in human resources development (HRD) content industry. using Delphi method and derive the results with the purpose of strengthening the competitiveness of HRD content industry. In addition, the quantitative industrial analysis was performed in this study using Delphi method in order to derive the content validity of factors of determining or impeding the industrial competitiveness and find out the expert"s level of agreement. This study approached the dimensions of consumers, new entrants, and existing suppliers using Porter"s 5 forces as the model of analyzing the competitiveness of HRD content industry. As the results, I have derived the following factors which affect the competitiveness of HRD content industry; 4 factors for consumers, 3 factors for new entrants, and 9 factors for existing suppliers for positive factors for competitiveness and 4 factors for consumers, 5 factors for new entrants, and 7 factors for existing suppliers for negative factors for competitiveness. The implications from these findings were proposed for government and industries.

인터넷 쇼핑에서 모 기업의 신뢰가 인터넷 쇼핑몰의 신뢰와 구매의도에 미치는 영향

김구성(Koosung Kim),이수동(Sudong Lee),김주영(Juyoung Kim) 한국유통학회 2004 流通硏究 Vol.9 No.4

본 연구는 최근 모 기업 명성의 신뢰를 기반으로 전자상거래를 시도하는 인터넷 쇼핑몰을 연구대상으로 선정하여 인터넷 쇼핑몰 신뢰의 핵심적인 결정요인으로 모기업의 신뢰라는 개념을 제시하고 구매경험 유ㆍ무에 따른 인터넷 쇼핑몰 신뢰와 구매행동에 대한 모 기업 신뢰의 영향을 검증하고자 하였다. 실증결과 모 기업 신뢰는 인터넷 쇼핑몰 신뢰의 핵심적인 결정요인으로 확인되었고 구매경험 유ㆍ무에 따라 인터넷 쇼핑몰을 신뢰하는 결정변인에 차이가 있었다. 모 기업의 신뢰가 구매의도에 미치는 가설검증 결과에서는 탐색경험자 경우 구매의도에 직접적인 영향이 나타났지만 구매경험자 경우 구매만족이 이루어질 때 재 구매의도에 간접적인 영향만이 나타남으로써 구매경험 유ㆍ무에 따라 모 기업 신뢰가 향후 구매의도에 미치는 영향이 다르다는 점이 확인되었다. 본 연구 결과는 모 기업이 있는 인터넷 쇼핑몰 업체에게 소비자의 불신을 해소하는 대응방안으로 보다 적극적인 모 기업 신뢰에 대한 관리가 요구되며 또한 소비자의 구매경험 유ㆍ무에 따른 신뢰 요인들을 구분해서 인터넷 쇼핑몰을 운영할 필요가 있다는 점을 시사한다. This study, along with the consciousness of the necessity of empirical research into the trust establishment of its role in electronic commerce, aims at the logical explanation of the decision factors of trust in internet shopping mall and an empirical research into the expected effect of it. For this research, the following detailed research aims are assumed and empirical analyses of them are conducted. First of all, taking for example an internet shopping mall which is trying adopt an electronic commerce on the basis of its parent firm with much reputation, this study, introducing a concept of the trust of parent firm as the core factor in internet shopping mall, is analysing the effect of trust toward the parent firm on the trust of internet shopping mall in every experienced customer and non-experienced prospects. On the other hand, under the expectation that purchaser and non-purchaser will show different trust establishment and future purchase behavior. Overall, this study has tried to examine the trust factors and the trust effect of internet shopping mall. Furthermore, this study, through conceptualizing the trust of parent firm which has not been covered in the previous literatures, has tried to show trust effect of parent firm according to purchase experience of consumers. Summarizing in conclusion, the trust of parent firm plays influence on purchase behavior according to the experience and non-experience of purchase in internet shopping mall.

사회적 이슈의 표현방식은 소비자의 암묵적 태도에 영향을 주는가? -대형마트와 골목상권의 주제에 관해-

김구성 ( Koosung Kim ),신홍임 ( Hong Im Shin ),김주영 ( Juyoung Kim ) 한국소비자학회 2013 소비자학연구 Vol.24 No.2

본 연구에서는 사회적으로 민감할 수 있는 대형마트와 골목상권에 대한 신문기사에 소비자가 노출되었을 때, 규 제를 직접적으로 표현하는 기사와 어려움을 부각시키며 규제의 필요성을 간접적으로 표현하는 기사를 읽은 후 소비자의 대형마트에 대한 명시적 및 암묵적 태도가 어떻게 달라지는지를 중립적 기사를 읽은 조건과 비교하였다. 연구 1을 통하여 대형마트와 골목상권에 대한 명시적인 태도를 조사하여서, 대형마트에 대한 태도가 골목상권에 대한 태도보다 더 긍정적으로 나타난 것을 알아내었다. 연구 2에서는 대형마트와 골목상권에 대한 명시적인 태도 및 암묵적인 태도가 대형마트 규제정책의 제시방식에 따라 차이가 나타나는지를 비교하였다. 결과로, 규제를 직접적으로 표현하는 방식은 소비자의 태도변화를 가져오지 못했던데 비해 간접적으로 인식시켰던 조건은 연구 참가자의 암묵적 태도에 변화를 가져옴을 보여주었다. 또한 사회적으로 정책을 표방할 때 소비자의 성별에 따라 정책의 표현방식에 민감하게 반응하는 정도가 달라질 수 있음을 보여주었다. 남성참가자는 간접적으로 동기화시키는 시나리오 조건에서 암묵적 태도의 변화를 보였던데 비해 여성참가자에게서는 표현방식에 따라 유의한 차이가 나타나지 않았다. 마지막으로 대형마트에 대해 의식적으로 표출하는 명시적 태도가 무의식적인 암묵적 태도와 유의한 상관관계가 나타나지 않았으며, 정책의 표현방식의 효과는 연구참가자가 의식적으로 자신의 반응을 조절하지 못하는 암묵적 태도에서만 나타났다. 소비자가 진정으로 좋아하는 정책을 효과적으로 제시하기 위해 다양한 측정기법을 활용하여야 할것이다. Consumers live in the sea of information. After hearing news about social issues or experience of friends, he may change purchase behavior and he may pass it to his relatives or friends, too. However, its effect could be different, depending on the nature of the news or experience. Social issues that are not directly related to himself can be passed to friends quickly but don’t change his behavior. Some news that is related to him, may change his behavior, but is not passed to friends. Sometimes, news can change inherent attitude while some news just change his opinion publically expressed to his friends. Especially socially desirable news may change his public opinion but doesn’t change his thought. These various effects of outside information on my behavior are partially reflected to ways how we express our idea and how we think. In other words, our explicit attitude and implicit attitude are different. Explicit attitude is expressed under full consciousness and implicit attitude is not expressed and stored in unconsciousness, usually not controllable intentionally. In general, the explicit attitude is measured by a self-report questionnaire, but implicit attitude is measured by IAT (implicit association test). In this paper, we want to compare implicit attitude and explicit attitude under different expression styles of socially sensitive issue, such as the regulation on large scale markets or hyper market in favor of small markets or traditional commercial district shops. We prepare three versions of expression style. The first one is strict and direct expression on the regulation and the second one is emotional soft and indirect expression. The third on is in fact not related to the regulation, that is the other issue on yellow dust in weather situation. Explicit attitudes were assessed in Studies 1. We collect total 63 (male 41.1%, age 20.7) subjects from college students. The results showed that hypermarkets have more positive explicit attitude than traditional commercial district shops from subjects. Explicit attitude was measured by 14 pairs of adjective from existing literature. Total mean of 14 evaluations for hypermarkets (M = 5.23) was higher than for traditional commercial district shops (M = 3.63) significantly t(62) = 5.18, p < .01. In Study 2, explicit attitudes and implicit attitudes about hypermarkets and traditional commercial district shops are compared after showing subjects direct strong expression, indirect soft expression, and irrelevant expression about regulation on hypermarkets in favor of traditional commercial district shops. We collect data from 35 college students (male 12, age 24.4). Implicit attitude was measured by difference of subject’s response time between two different pair of concepts appeared on computer screen, which is typical procedure of IAT. Explicit attitude was measured by questionnaire after finishing IAT. Results showed that direct strong expression didn’t make explicit attitudes change but indirect soft expression made implicit attitudes change. The detail attitude score is shown below. Hypermarket attitude score depending on three types of expression* Implicit attitude Explicit attitude Direct strong expression 262 (301) 4.84 (1.60) Indirect soft expression 17 (185) 5.12 (.74) Irrelevant expression 215 (195) 5.29 (.87) * Inside parenthesis means standard deviation Hypermarket attitude score depending on three types of expression by sex Implicit attitude Explicit attitude male female male female Direct strong expression 422 (297) 71 (181) 4.95 (1.40) 4.70 (1.97) Indirect soft expression -198 (136) 89 (138) 5.33 (1.23) 5.05 (.59) Irrelevant expression 225 (105) 212 (223) 5.58 (.76) 5.19 (.92) * Inside parenthesis means standard deviation And for socially desirable issue like hypermarket regulation, attitude change was different for different sex. As shown above, male subjects changed their implicit attitude under indirect soft expression while female subjects didn’t change their both implicit and explicit attitude. Finally, implicit attitude and explicit attitude had no significant correlation. And expression style make different impact to attitude only on implicit measure. So in order to make policy show the effect intended, policy maker should consider proper method of measurement before final decision.

GDI엔진의 밸브리프트 변화에 따른 연소실내 흡기유동 및 연료분포에 대한 수치 해석적 연구

김경배 ( K. B. Kim ),송미지 ( M. J. Song ),김구성 ( K. S. Kim ),강석호 ( S. H. Kang ),이영훈 ( Y. H. Lee ),이성욱 ( S. W. Lee ) 한국분무공학회 2013 한국액체미립화학회지 Vol.18 No.2

While variable value actuation or variable valve lift (VVL) is used increasingly in spark ignition (SI) engines to improve the volumetric efficiency or to reduce the pumping losses, it is necessary to understand the impact of variable value lift and timing on the in-cylinder gas motions and mixing processes. In this paper, characteristics of the in-cylinder flow and fuel distribution for various value lifts (4, 6, 8, 10mm) were simulated in a GDI engine. It is expected that the investigation will be helpful in understanding and improving GDI combustion when a VVL system is used. The CFD results showed that a increased value lift could significantly enhance the mixture and in-cylinder tumble motion because of the accelerated air flow. Also, it can be found that the fuel distribution is more affected by earlier injection (during intake process) than that of later injection (end of compression). These may contribute to an improvement in the air-fuel mixing but also to an optimization of intake and exhaust system.

3D Interconnection을 위한 실리콘 관통 전극 내부의 절연막 증착 공정과 그 막의 특성에 관한 연구

서상운,김구성,Seo, Sang-Woon,Kim, Gu-Sung 한국마이크로전자및패키징학회 2008 마이크로전자 및 패키징학회지 Vol.15 No.3

높은 종횡비를 갖는 비아 및 트렌치 상에 절연 막으로서 $SiO_2$를 증착하고 증착 특성 및 막의 특성을 연구하였다. 실리콘 관통 전극에서 절연 막은 전극의 벽면과 그 내부에 충진 된 물질간의 상호 확산 감소와 물질 간 접착, 전기적 절연, 디바이스로의 전기적 누수 차단 등의 역할을 해야 한다. 따라서 이러한 특성을 확인하기 위해 3종의 화학 기상 증착법인 PECVD, PETEOS, ALD을 선정하고 절연 막 증착 후 특성평가를 진행 하였다. 특성평가 항목 중 step coverage는 PECVD : <30%, PETEOS : 45%, ALD : 75%, 표면 거칠기는 PECVD : 27.8 nm, PETEOS : 2.1 nm, ALD : <2.0 nm으로 측정되어 막질의 특성은 ALD가 가장 우수하게 평가 되었으나, 실제 기술의 적용에서 가장 중요한 요소인 증착률에서 ALD는 $18\;\AA/1cycle$로서 $10\;\AA/min$ 이라는 대략적 시간이 소요되어 $5000\;\AA/min$의 증착률을 보인 PETEOS에 비해 매우 낮은 수준으로 최소 $1000\;\AA$ 이상의 두께가 요구되는 절연 막의 적용에는 어려움이 있고, 따라서 PETEOS가 본 연구에서 최적의 recipe라 평가되었다. This investigation was performed in order to study the properties of deposition and layers by Silicon Dioxide, SiO2, as dielectric onto Via and Trench which have high Aspect Ratio (AR). Thus, in order to confirm these properties, three types of CVD, which were PECVD, PETEOS, and ALD, were selected. On the experiment each of the property sections was estimated that step overage of PECVD: <30%, PETEOS: 45%, ALD: 75% and the RSM of PECVD: 27.8 nm, PETEOS: 2.1 nm, ALD: <2.0 nm. As a result of this experiment for the property of electric film, ALD was valuated to be the most favorable outcome. However, ALD was valuated to have the least quality for the deposition rate. ALD deposition rate, $10\;\AA/min$ by $1\;\AA$/1cycle, was prominently lower than PETEOS, which had the deposition rate of $5000\;\AA$/min. Since electric film requires at least $1000\;\AA$ thicknesses, ALD was not suitable for the deposition rate. which is the most important component in a practical use. Therefore, in this particular study, PETEOS was evaluated to be the most suitable recipe.

LED용 Si 기판의 저비용, 고생산성 실리콘 관통 비아 식각 공정

구영모,김구성,김사라은경,Koo, Youngmo,Kim, GuSung,Kim, Sarah Eunkyung 한국마이크로전자및패키징학회 2012 마이크로전자 및 패키징학회지 Vol.19 No.4

최근 발광다이오드(LED)의 출력 성능을 높이고, 전력 소비를 줄이기 위해 LED 패키지 분야에서 실리콘 기판 연구가 집중되고 있다. 본 연구에서는 공정 비용이 낮고 생산성이 높은 습식 식각을 이용하여 실리콘 기판의 실리콘 관통 비아 식각 공정을 살펴보았다. KOH를 이용한 양면 습식 식각 공정과 습식 식각과 건식 식각을 병행한 두 가지 공정 방법으로 실리콘 관통 비아를 제작하였고, 식각된 실리콘 관통 비아에 Cu 전극과 배선은 전기도금으로 증착하였다. Cu 전극을 연결하는 배선의 전기저항은 약 $5.5{\Omega}$ 정도로 낮게 나타났고, 실리콘 기판의 열 저항은 4 K/W으로 AlN 세라믹 기판과 비슷한 결과를 보였다. Silicon substrate for light emitting diodes (LEDs) has been the tendency of LED packaging for improving power consumption and light output. In this study, a low cost and high throughput Si through via fabrication has been demonstrated using a wet etching process. Both a wet etching only process and a combination of wet etching and dry etching process were evaluated. The silicon substrate with Si through via fabricated by KOH wet etching showed a good electrical resistance (${\sim}5.5{\Omega}$) of Cu interconnection and a suitable thermal resistance (4 K/W) compared to AlN ceramic substrate.

엔진 폐열 회수를 위한 랭킨 스팀 사이클용 열교환기의 유동 및 구조적 특성 연구

정장호(Jangho Jung),김구성(Kusung Kim),이성욱(Seangwock Lee),허형석(Hyungseok Heo),이홍열(Hongyeol Lee) 한국자동차공학회 2012 한국자동차공학회 부문종합 학술대회 Vol.2012 No.5

A 2-loop waste heat recovery system with Rankine steam cycles for the improvement of fuel efficiency of gasoline vehicles has been investigated. A high temperature loop is used to recover waste heat from exhaust gas and a low temperature loop is used to recover waste heat from cold engine coolant. In this paper has dealt with a layout of low temperature loop system, the review of the factors through numerical analysis. According to the result of analysis, the designed heat exchanger, LT Boiler has low equivalent stress than ultimate stress of the material. And comparing with flow analysis results, LT Boiler is safe to operation.

기관 폐열 회수를 위한 열교환기의 Baffle 길이 변경에 따른 성능 예측에 관한 수치 해석적 연구

류규현(Ryu, Kyuhyenn),김구성(Kim, Kusung),이영훈(Lee, Younghum),강석호(Kang, Seokho),박기범(Park, Gibeom) 한국신재생에너지학회 2013 신재생에너지 Vol.9 No.4

A 2-loop waste heat recovery system with Rankine steam cycles for the improvement of fuel efficiency of gasoline vehicles has been investigated. A high temperature loop is used to recover waste heat from exhaust gas and a low temperature loop is used to recover waste heat from cold engine coolant. This paper has dealt with a layout of low temperature loop system, the review of the velocity contours through numerical analysis. According to the result of analysis, the designed heat exchanger. And comparing with flow analysis results, LT Boiler is safe to operation.

연성해석을 적용한 열교환기 설계

백두성(D. S. Baik),김구성(K. S. Kim) 대한기계학회 2010 대한기계학회 춘추학술대회 Vol.2010 No.11

Performance of heat-exchanger very important in any mechanical systems. Diversified study on heat exchangers has been based on this new-concept of a heat-exchanger. Meanwhile many designs to release effectively heat from automobile engine have been sought for. This research aims to provide design concepts on a plate type heat-exchanger after computing an optimized heat flux under given several different parameters such as refrigerants and inside pressures by using ANSYS commercial program.

Sand Blast를 이용한 Glass Wafer 절단 가공 최적화

서원,구영보,고재용,김구성,Seo, Won,Koo, Young-Mo,Ko, Jae-Woong,Kim, Gu-Sung 한국세라믹학회 2009 한국세라믹학회지 Vol.46 No.1

A Sand blasting technology has been used to address via and trench processing of glass wafer of optic semiconductor packaging. Manufactured sand blast that is controlled by blast nozzle and servomotor so that 8" wafer processing may be available. 10mm sq test device manufactured by Dry Film Resist (DFR) pattern process on 8" glass wafer of $500{\mu}m's$ thickness. Based on particle pressure and the wafer transfer speed, etch rate, mask erosion, and vertical trench slope have been analyzed. Perfect 500 um tooling has been performed at 0.3 MPa pressure and 100 rpm wafer speed. It is particle pressure that influence in processing depth and the transfer speed did not influence.