• 제목/요약/키워드: packaging industry

검색결과 2,179건 처리시간 0.029초

Monitoring the Current Nutrition Labeling Practice on the Packaging of Processed Foods (시판 가공식품의 영양표시 실태 모니터링에 관한 연구)

  • Kim, Ok-Sun;Oh, Se-In;Jang, Young-Ai
    • Korean journal of food and cookery science
    • /
    • 제21권5호
    • /
    • pp.616-628
    • /
    • 2005
  • The purpose of this study was to monitor the current nutrition labeling practice on the packaging of the processed foods providing consumers with reliable nutrition information, which has been considered as a useful aid for food selection and a potent educational tool for nutrition in a daily life. The 2,214 processed foods purchased at the a wholesale market in July, 2003, were divided by food categories issued from the 2003 food codes and assessed in the terms of the nutrition composition labeling and nutrition claims. Nutrition composition labeling was found on 533 out of the 2,214 processed foods items. The findings of this study were as follows : Milk and dairy products had 66.4% of nutrition composition labeling, which was the largest percentage among the food categories. Tables format (71.3%) is the most widely used type of nutrition labeling. The title of nutrition composition labeling used the most widely was nutrition composition (71.3%). Nutrition composition included many different ways of expression, such as a table of nutrition composition, and indication of nutrition composition, etc. The expression unit of the nutrition composition labeling was use per 100g or 100mL (40.5%). The processed foods with nutrition claims were 18.0% (399 items). Nutrition claims were divided into two categories: nutrient content claims and nutrient comparative claims. The most frequently used nutrient content claims were contained (43.9%) and more or plus in the nutrient comparative claims (16.0%). Ca was the most popular item as a nutrition claim nutrient (33.6%).

Recent Technical Trend and Properties on Raw Materials of Substrates for Microelectronic Packages (마이크로 전자패키지용 Substrates 원자재에 대한 기술동향 및 특성)

  • 이규제;이효수;이근희
    • Journal of the Microelectronics and Packaging Society
    • /
    • 제10권3호
    • /
    • pp.43-55
    • /
    • 2003
  • As the development of If industries and their electronic device manufacturing technology have been accelerated recently, the request for electronic devices with small size, light weight, and high performance has been inducing that electronic package and substrate (PCB) companies have to develop substrates with low cost, high dense I/O, excellent thermal properties and electrical properties. Therefore, world-wide chip makers have been setting their own severe reliability standards and requiring their suppliers to keep specification and to develop green, high frequency and high-performing substrates. Because properties of substrates are dependent mainly on their constituent materials, the application of them showing superior properties is expected to satisfy the customer's requirement. Therefore, substrate companies should ensure the superiority of materials and assure their competitive capability of substrates by analyzing the latest trends of technology and properties of the materials.

  • PDF

Effects of PEO Conditions on Surface Properties of AZ91 Mg Alloy (PEO 처리조건에 따른 마그네슘 합금 AZ91의 표면특성변화에 관한 연구)

  • Park, Kyeong-Jin;Jung, Myung-Won;Lee, Jae-Ho
    • Journal of the Microelectronics and Packaging Society
    • /
    • 제17권3호
    • /
    • pp.71-77
    • /
    • 2010
  • Mg alloys have been used in automobile industry, aerospace, mobile phone and computer parts owing to low density. However, they have a restricted application because of low mechanical and poor corrosion properties. Thus, improved surface treatments are required to produce protective films. Environmental friendly Plasma Electrolytic Oxidation(PEO) was used to produce protective films on magnesium alloys. PEO process is combined electrochemical oxidation with plasma treatment in the aqueous solution. In this study, the effects of applied voltage and applied current on the surface morphologies were investigated. Also, the effects of Direct Current(DC) and Pulse Current(PC) were compared. PC and constant current control gave the dense coating on the Mg alloy. The potentiodynamic polarization tests were carried out for the analysis of corrosion properties of specimens. The surface hardness was 5 times higher than that of untreated AZ91D.

Effects of Antioxidants and Packaging Methods on the repression of Lipid Oxidation in Plain Dried Large Anchovy (소건 대멸치 지질의 산화억제에 미치는 항산화제와 포장의 병행효과)

  • CHO Young-Je;KIM Tae-Jin;SHIM Kil-Bo;CHOI Young-Jun
    • Korean Journal of Fisheries and Aquatic Sciences
    • /
    • 제33권3호
    • /
    • pp.238-242
    • /
    • 2000
  • The antioxidants and packaging methods affecting on lipid oxidation of the plain dried large anchovy were investigated. Antioxidants resulted in decrease of lipid oxidation of dried large anchovy. The addition of BHT remarkably repressed lipid oxidation during storage of the dried large anchovy at $37^{\circ}C$, followed by ${\alpha}-tocopherol$, rosemary extract and sage extract. The addition of rosemary extract mixed with 0.1{\%} {\alpha}-tocopherol$ showed similar effect to BHT during storaBe at $25^{\circ}C\;in\;0.1{\%}$ rosemary extract mixed with $0.1{\%}\;{\alpha}-tocopherol$. When the dried anchovy were packed in polyethylene film after treatment with antioxidants, the vacuum package increased the antioxidative effect in repression of lipid oxidation during storage of dried large anchovy.

  • PDF

Bonding Property and Reliability for Press-fit Interconnection (Press-fit 단자 접합특성 및 신뢰성)

  • Oh, Sangjoo;Kim, Dajung;Hong, Won Sik;Oh, Chulmin
    • Journal of the Microelectronics and Packaging Society
    • /
    • 제26권3호
    • /
    • pp.63-69
    • /
    • 2019
  • Soldering technology has been used in electronic industry for a long time. However, due to solder fatigue characteristics, automotive electronics are searching the semi-permanent interconnection technology such as press-fit method. Press fit interconnection is a joining technology that mechanically inserts a press fit metal terminal into a through hole in a board, and induces a strong bonding by closely contacting the inner surface joining of the through hole by plastic deformation of press-fit terminal. In this paper, the bonding properties of press-fit interconnection are investigated with PCB hole size and surface finishes. In order to compare interconnection reliability between the press fit and soldering, the change in resistance of the press-fit and soldering joints was observed during thermal shock test. After thermal cycling, the failure modes are investigated to reveal the degradation mechanism both press-fit and soldering technology.

Machine Learning Algorithm for Estimating Ink Usage (머신러닝을 통한 잉크 필요량 예측 알고리즘)

  • Se Wook Kwon;Young Joo Hyun;Hyun Chul Tae
    • Journal of Korean Society of Industrial and Systems Engineering
    • /
    • 제46권1호
    • /
    • pp.23-31
    • /
    • 2023
  • Research and interest in sustainable printing are increasing in the packaging printing industry. Currently, predicting the amount of ink required for each work is based on the experience and intuition of field workers. Suppose the amount of ink produced is more than necessary. In this case, the rest of the ink cannot be reused and is discarded, adversely affecting the company's productivity and environment. Nowadays, machine learning models can be used to figure out this problem. This study compares the ink usage prediction machine learning models. A simple linear regression model, Multiple Regression Analysis, cannot reflect the nonlinear relationship between the variables required for packaging printing, so there is a limit to accurately predicting the amount of ink needed. This study has established various prediction models which are based on CART (Classification and Regression Tree), such as Decision Tree, Random Forest, Gradient Boosting Machine, and XGBoost. The accuracy of the models is determined by the K-fold cross-validation. Error metrics such as root mean squared error, mean absolute error, and R-squared are employed to evaluate estimation models' correctness. Among these models, XGBoost model has the highest prediction accuracy and can reduce 2134 (g) of wasted ink for each work. Thus, this study motivates machine learning's potential to help advance productivity and protect the environment.

Advantages and disadvantages of renewable energy-oil-environmental pollution-from the point of view of nanoscience

  • Shunzheng Jia;Xiuhong Niu;Fangting Jia;Tayebeh Mahmoudi
    • Advances in concrete construction
    • /
    • 제16권1호
    • /
    • pp.69-78
    • /
    • 2023
  • This investigation delves into the adverse repercussions stemming from the impact of arsenic on steel pipes concealed within soil designated for rice cultivation. Simultaneously, the study aims to ascertain effective techniques for detecting arsenic in the soil and to provide strategies for mitigating the corrosion of steel pipes. The realm of nanotechnology presents promising avenues for addressing the intricate intersection of renewable energy, oil, and environmental pollution from a novel perspective. Nanostructured materials, characterized by distinct chemical and physical attributes, unveil novel pathways for pioneering materials that exert a substantial impact across diverse realms of food production, storage, packaging, and quality control. Within the scope of the food industry, the scope of nanotechnology encompasses processes, storage methodologies, packaging paradigms, and safeguards to ensure the safety of consumables. Of particular note, silver nanoparticles, in addition to their commendable antibacterial efficacy, boast anti-fungal and anti-inflammatory prowess, environmental compatibility, minimal irritability and allergenicity, resilience to microbial antagonism, thermal stability, and robustness. Confronting the pressing issue of arsenic contamination within both environmental settings and the food supply is of paramount importance to preserve public health and ecological equilibrium. In response, this study introduces detection kits predicated upon silver nanoparticles, providing an expeditious and economically feasible avenue for identifying arsenic concentrations ranging from 0.5 to 3 ppm within rice. Subsequent quantification employs Hydride Atomic Absorption Spectroscopy (HG-AAS), which features a detection threshold of 0.05 ㎍/l. A salient advantage inherent in the HG-AAS methodology lies in its capacity to segregate analytes from the sample matrix, thereby significantly reducing instances of spectral interference. Importantly, the presence of arsenic in the soil beneath rice cultivation establishes a causative link to steel pipe corrosion, with potential consequences extending to food contamination-an intricate facet embedded within the broader tapestry of renewable energy, oil, and environmental pollution.

Comparison of Vibration Characteristics of Cargo Bikes on General Roads and Bicycle Roads (일반도로와 자전거도로에서의 카고바이크 화물 적재함 진동 특성 비교)

  • Dong Yul Kim;Myenog Guk Yu;Heng Suk Lee;Sang Min Kim
    • KOREAN JOURNAL OF PACKAGING SCIENCE & TECHNOLOGY
    • /
    • 제29권3호
    • /
    • pp.175-179
    • /
    • 2023
  • This paper analyzes the vibration characteristics within the cargo compartment of a three-wheeled cargo bike when used on both regular roads and dedicated bicycle lanes. When cargo is loaded into the cargo compartment of a cargo bike and driven on the road, the shocks and vibrations transmitted from the ground can potentially affect the transported goods and even lead to product damage. As the vibration characteristics applied to the cargo compartment may vary depending on the condition of the road, vibration sensors were attached to the cargo bike's cargo compartment for data collection during operation on different road types. According to KS T ISO 13355 standards, the cargo bike can withstand vibrations within the range of 10 Hz to 60 Hz when operating on both bicycle lanes and regular roads. However, it is observed that there are peaks exceeding the profile in the frequency range of 3-6 Hz. In the 70-200 Hz range, the profile is exceeded on both regular roads and bicycle lanes, with a tendency for higher exceedance on bicycle lanes. The Grms value within the frequency range of KS T ISO 13355 is 5.926 m/s2 (0.604 Grms). When operating on bicycle lanes with cargo, the Peak envelope optimization PSD value is 6.553 Grms, while on bicycle lanes, it is 7.708 Grms, indicating a difference of at least tenfold.

Properties of Cu Pillar Bump Joints during Isothermal Aging (등온 시효 처리에 따른 Cu Pillar Bump 접합부 특성)

  • Eun-Su Jang;Eun-Chae Noh;So-Jeong Na;Jeong-Won Yoon
    • Journal of the Microelectronics and Packaging Society
    • /
    • 제31권1호
    • /
    • pp.35-42
    • /
    • 2024
  • Recently, with the miniaturization and high integration of semiconductor chips, the bump bridge phenomenon caused by fine pitches is drawing attention as a problem. Accordingly, Cu pillar bump, which can minimize the bump bridge phenomenon, is widely applied in the semiconductor package industry for fine pitch applications. When exposed to a high-temperature environment, the thickness of the intermetallic compound (IMC) formed at the joint interface increases, and at the same time, Kirkendall void is formed and grown inside some IMC/Cu and IMC interfaces. Therefore, it is important to control the excessive growth of IMC and the formation and growth of Kirkendall voids because they weaken the mechanical reliability of the joints. Therefore, in this study, isothermal aging evaluation of Cu pillar bump joints with a CS (Cu+ Sn-1.8Ag Solder) structure was performed and the corresponding results was reported.

Effect of essential oils and linalool on berry quality during simulated marketing of 'Shine Muscat' grapes

  • Yu-Rim Kim;Hyeong-Seok Lee;Young-Jik Ahn;Jinwook Lee;Jong-Pil Chun
    • Korean Journal of Agricultural Science
    • /
    • 제49권4호
    • /
    • pp.1025-1033
    • /
    • 2022
  • 'Shine Muscat' (Vitis labruscana Bailey x Vitis vinifera L.) grapes recently have been greatly favored in Korea, and as of 2022, account for 38.6% of the total grape market in Korea. However, there is a lack of research on post-harvest quality control appropriate to the unique characteristics of 'Shine Muscat'. In order to continuously increase domestic demand and exports in the future, it is essential to establish proper postharvest techniques. Essential oils have remarkable potential as biologically active and environmentally friendly antiseptics for the fruit industry. The objective of this study is to evaluate the effects of essential oils and aroma constituent treatment on fruit quality attributes of 'Shine Muscat' grapes in order to extend fruit quality during a simulated export period. A cluster of 'Shine Muscat' grapes was placed in a newly developed paper box container, and treated with rosemary essential oil, thyme essential oil, and linalool, along with an untreated control. The results showed no significant effect on fruit quality indices, such as cluster weight loss, berry firmness, soluble solids content, titratable acidity, sugar acid ratio, and color change, but showed a positive effect on the alleviation of berry shatter compared to the untreated control. In addition, rosemary oil treatment reduced the proportion of unhealthy berries. Therefore, the results indicated that the newly developed packaging container along with certain essential oil treatment could be applied as a promising packaging material for table grape export.