• 제목/요약/키워드: Package

검색결과 6,240건 처리시간 0.03초

The Effect of Manipulating Package Construct and Leadframe Materials on Fracture Potential of Plastically Encapsulated Microelectronic Packages During Thermal Cycling

  • Lee, Seong-Min
    • Transactions on Electrical and Electronic Materials
    • /
    • 제2권3호
    • /
    • pp.28-32
    • /
    • 2001
  • It was studied in the present work how the thermal cycling performance of LOC (lead on chip) packages depends on the package construct or leadframe materials. First, package body thickness and Au wire diameter were manipulated for the selection of proper package design. Secondly, two different types of leadframe materials (i.e. copper and 52%Fe-48%Ni alloy) were tested to determine the better material for improved reliability margin of plastically encapsulated microelectronic packages. This work shows that manipulating package body thickness was more effective than an increase of Au wire from 23$\mu\textrm{m}$ to 33$\mu\textrm{m}$ for the prevention of wire debonding failure. Further, this work indicates that the LOC packages including the copper leadframes can be more susceptible to thermal cycling reliability degradation due to chip cracking than those including the alloy leadframes.

  • PDF

RN-BSN 학생을 위한 문제중심학습(Problem-Based Learning) 패키지 개발 - 임신, 분만, 산욕여성의 상황을 중심으로 - (Development of a Problem-based Learning Package for RN-BSN Students - Based on the Cases of Women during Pregnancy, Childbirth and Postpartum -)

  • 송영아;신혜숙
    • 여성건강간호학회지
    • /
    • 제11권2호
    • /
    • pp.99-109
    • /
    • 2005
  • Purpose: The purpose of this study is to present a procedure for developing a PBL package and to provide the example of its application. Method: In this study, the PBL package was proposed based on the integrated curricular under maternity nursing. The PBL package model proposed by Little was applied to this study. Result: The procedure for developing the PBL package includes course objectives, learning objectives, concept mapping, situation scenario, tutor guide, and evaluation method. Clinical scenarios used in 3 PBL packages were composed of a pregnant women, a childbirth women, and a postpartum women. The Eight detailed steps are given in this study. Conclusion: Through these findings, the steps might be easier and more useful for nurse professionals to begin using the PBL package in maternity nursing. In addition, the steps will actively contribute to imply the PBL in nursing education.

  • PDF

세라믹 패키지를 이용한 shunt 저항의 온도 특성 개선 (Improvement of Temperature Characteristics in Ceramic-packaged Shunt Resistors)

  • 강두원;조중열
    • 반도체디스플레이기술학회지
    • /
    • 제14권3호
    • /
    • pp.57-60
    • /
    • 2015
  • Electric power in large devices is controlled by digital circuits, such as switching mode power supply. This kind of power circuits require accurate current sensor for power distribution. We studied characteristics of shunt resistor, which has many advantages for commercial application compared to Hall-effect current sensor. We applied ceramic package to the shunt resistor. Ceramic package has good thermal conductivity compared to plastic package, and this point is important for space requirement in Printed Circuit Board (PCB). Another advantage of the ceramic package is that surface mount technology (SMT) can be used for production. Our experimental results showed that the ceramic packaged resistor showed about 50% lower temperature than the plastic packaged one. Burning point and frequency characteristics are also discussed.

농·특산물 구매만족도 향상을 위한 포장디자인 개선에 관한 연구 (A Study on improving packaging design for Farm·Specialty purchase satisfaction)

  • 박동진;신황호;우수곤
    • 농촌계획
    • /
    • 제20권4호
    • /
    • pp.157-164
    • /
    • 2014
  • This study clarified the correlation between the satisfaction of farm experience village visitors and the package design of farm specialty products and identified the factors to consider when improving the package design. It was found that the satisfaction with package design when purchasing farm specialty products affected the satisfaction of farm experience village visitors. In case of farm experience village visitors, they were more satisfied with the purchase when they were satisfied with the package design of farm specialty products they purchased. The results of analysis of correlation between the satisfaction of farm experience village visitors and the improvement of package design of farm specialty products showed that the important factors of package design are easiness of transport handling, easiness of storage, and functionality of packaging materials.

포장방법별 소엽, 박하의 저장성 연구 (Studies on Storage Characteristics of Perilla Perfrutescens var. Acuta, Mentha Arvensis L. var. Piperascens Malinvaud According to Packaging Method)

  • 김수민;김은주
    • 대한본초학회지
    • /
    • 제24권1호
    • /
    • pp.9-14
    • /
    • 2009
  • Objectives : The purpose of this study is to investigate on storage characteristics of flavouring oriental medicine materials according to Packaging method(Aluminum package, PP). Methods : This experiments were carried out by field survey and storage characteristics were carried out by physicochemical determination. Results : Flavouring oriental medicine materials were used to in aluminum package to keep original flavour in Japan and Chinese by field and study survey. In view of this survey results, it is very desirable to use zipper Aluminum package in flavouring oriental medicine materials(Perilla perfrutescens var. acuta, Mentha arvensis L. var. piperascens malinvaud). Conclusions : This study results revealed that Aluminum package were superior to any other package method on the basis of keeping original flavour and to reduce microbial contamination in oriental medicine materials.

패키지 소프트웨어 시험 프로세스와 평가모듈의 개발 (Development of Package Software Test Process and Evaluation Module)

  • 이하용;황석형;양해술
    • 정보처리학회논문지D
    • /
    • 제10D권5호
    • /
    • pp.821-828
    • /
    • 2003
  • 패키지 소프트웨어는 그 특성상 동일한 유형에 속하는 다수의 제품 중에서 구매자가 적합하다고 판단되는 제품을 식별한 수 있어야 한다. 패키지 소프트웨어 제품에 대한 구매자의 선택 능력은 객관적인 품질 시험 절차와 방법을 통해 정해진 기준에 부합되는가를 판단할 수 있는 체계를 갖추고 있는가에 달려 있다. 이러한 체계를 구축하기 위해 패키지 소프트웨어에 적용할 수 있는 표준으로서 이 있다. 본 연구에서는 이러한 표준을 기반으로 패키지 소프트웨어에 대한 품질시험 프로세스를 구축하고 시험 메트릭과 적용 방법을 개발함으로써 구매자가 효과적으로 자신의 요구에 맞는 패키지 소프트웨어론 선택할 수 있는 체계를 구축하였다.

일본의 캐릭터패키지디자인 사례분석 (A Case Study on Character Package Design of Japan)

  • 유현배
    • 디지털콘텐츠학회 논문지
    • /
    • 제18권1호
    • /
    • pp.47-54
    • /
    • 2017
  • 본 연구는 일본의 캐릭터패키지를 사례 분석하여 소비자나 수용자들로부터 사랑받고 마케팅적으로도 성공한 디자인의 콘셉트를 추출하여 그 논리와 원칙을 정립하는 그 목적을 두고 있다. 또한 금후 우리나라의 캐릭터패키지디자인의 도입과 활용 시 객관적 타당성과 공감력 있는 패키지디자인을 개발하는데 본 연구가 그 지침이 되도록 하려한다. 다양한 미디어를 믹스하고 판매를 확대시켜 나간 토하토(Tohato)사의 5가지 캐릭터패키지디자인을 대상으로 하여, 디자인콘셉트를 파악하고 그 원칙을 찾아내어 성공의 원인을 밝히고자 하며, 따라서 캐릭터디자인의 개념과 캐릭터패키지디자인의 사례분석을 통한 상품 전략을 기업 측과 크리에이티브 측면에서 이론과 원칙을 연구하였다. 그 결과, 기능적인 측면을 떠나 스토리를 갖도록 하고 추억을 만들어가도록 하며 친근감을 유발하도록 한 디자인이 리뉴얼의 성공사례로 파악되었다. 패키지디자인에 있어서 때에 따라서는 디자인의 콘셉트를 명확히 하고 그 콘셉트의 성공을 위해 기존의 원칙을 벗어나서 과감한 디자인의 추진과 소비자의 행태 분석에 따른 이론적 체계 하에서 패키지디자인의 실행이 무엇보다 중요하다는 것을 알 수 있었다.

소형차에서의 여성 특화 패키지 인자 연구 (A Study on Women's Specific Package Factors for Compact Vehicle)

  • 남종용;이용;김태엽;박인성;이호택
    • 한국자동차공학회논문집
    • /
    • 제22권3호
    • /
    • pp.157-165
    • /
    • 2014
  • To develop a compact vehicle for women, the most important areas are 'behavioral characteristics, life style and driving posture'. Static AM95%ile manikin is used for package guideline. Since women's characteristics and sitting position are different from men, however, the guideline cannot satisfy women drivers. Therefore, the goal of this study is to make the database with dynamic women's driving posture and behavioral characteristics at compact vehicle. Research process will be made as follows. Firstly, through the online/offline survey and statistic analysis, lifestyle and behavioral characteristics (discomfort elements) of women are extracted. Secondly, the author performs scenario test to acquire the discomfort value of driving situation and life style. 3D models of women's manikin and driving posture were created by CATIA HUMAN. The 3D models are used for the purpose of analyzing women's driving posture. Finally, with the ANOVA result and comparison between real driving posture and package guidelines, the author is able to suggest the main issue for women drivers.

한지를 이용한 전통식품 포장재 디자인에 관한 연구(제1보) - 한과류 포장재 디자인 - (A Study on the Design of Traditional Food Package Under the Use of Hanji(I) - Design of Korean dried confectionary package -)

  • 이유라;김혜원;임현아
    • 펄프종이기술
    • /
    • 제39권2호
    • /
    • pp.68-77
    • /
    • 2007
  • It is necessary to recognize philosophical and scientific depth, contained in traditional culture in a correct fashion, in order to succeed and develop our excellent traditional culture. Some studies on storage, circulation, and package design of traditional food will multiple the added value of traditional culture. So this research was carried out for making packing cases of kinds of Korean dried confectionery using Hanji by traditional manufacturing method, Hanji textile, charcoal Hanji and jade Hanji, and for developing environmental-friendly Korean dried confectionery package as more luxurious packaging papers by putting an exterior design on the surface. The results measured physical properties, air permeability and anti-mold activity of Hanji, and designing Korean dried confectionery are as follows. The physical properties and air permeability used to manufacture Korean dried confectionery package, turned out to be no affection to the food packaging Hanji. In order to avoid the monotonousness of Korean dried confectionery package, it was designed with Hanji textile together with elegant traditional pattern. It is estimated to increase the value of Korean dried food and to make the anti-mold activity of Hanji added charcoal and jade effective. In conclusion, by developing individual properties of traditional food and proper packaging paper as well as packaging design according to circulating situation, it is considered that the taste and the fancy can be maximized. After all, by applying excellent traits contained in our race's culture, it is possible to develop the package cases into competitive ones. And it would be able to increase utilization of Hanji. Namely, production of high quality traditional food package with Hanji is expected for new valuable industry of Hanji.

반도체 봉지수지의 파괴 인성치 측정 및 패키지 적용 (Fracture Toughness Measurement of the Semiconductor Encapsulant EMC and It's Application to Package)

  • 김경섭;신영의;장의구
    • E2M - 전기 전자와 첨단 소재
    • /
    • 제10권6호
    • /
    • pp.519-527
    • /
    • 1997
  • The micro crack was occurred where the stress concentrated by the thermal stress which was induced during the cooling period after molding process or by the various reliability tests. In order to estimate the possibility of development from inside micro crack to outside fracture, the fracture toughness of EMC should be measured under the various applicable condition. But study was conducted very rarely for the above area. In order to provide a was to decide the fracture resistance of EMC (Epoxy Molding Compound) of plastic package which is produced by using transfer molding method, measuring fracture is studied. The specimens were made with various EMC material. The diverse combination of test conditions, such as different temperature, temperature /humidity conditions, different filler shapes, and post cure treatment, were tried to examine the effects of environmental condition on the fracture toughness. This study proposed a way which could improve the reliability of LOC(Lead On Chip) type package by comparing the measured $J_{IC}$ of EMC and the calculated J-integral value from FEM(Finite Element Method). The measured $K_{IC}$ value of EMC above glass transition temperature dropped sharply as the temperature increased. The $K_{IC}$ was observed to be higher before the post cure treatment than after the post cure treatment. The change of $J_{IC}$ was significant by time change. J-integral was calculated to have maximum value the angle of the direction of fracture at the lead tip was 0 degree in SOJ package and -30 degree in TSOP package. The results FEM simulation were well agreed with the results of measurement within 5% tolerance. The package crack was proved to be affected more by the structure than by the composing material of package. The structure and the composing material are the variables to reduce the package crack.ack.

  • PDF