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24th International Spring Seminar on Electronics Technology. Concurrent Engineering in Electronic Packaging. ISSE 2001. Conference Proceedings (Cat. No.01EX492)

5-9 May 2001

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  • 24th International Spring Seminar on Electronics Technology. Concurrent Engineering in Electronic Packaging. ISSE 2001. Conference Proceedings (Cat. No.01EX492)

    Publication Year: 2001
    Request permission for commercial reuse | PDF file iconPDF (342 KB)
    Freely Available from IEEE
  • Ink jet print head producing simulation and methods

    Publication Year: 2001
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (49 KB)

    Summary form only given. The process for manufacturing a thin film resistor substrate is useful in fabricating an ink jet print head, wherein discontinuous strips of conductive material are initially patterned on the surface of a resistive layer. Thermal ink jet print heads play a dominant role in drop-on-demand print head technology. Improvements of efficiency and lifetime are an ongoing challeng... View full abstract»

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  • List of authors

    Publication Year: 2001, Page(s):0_12 - 0_11
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    Freely Available from IEEE
  • Intelligent servo hydraulic device for the control of the motion

    Publication Year: 2001, Page(s):282 - 285
    Cited by:  Patents (1)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (416 KB) | HTML iconHTML

    Hydraulic servocylinders are electro-hydraulic devices used in automatic control systems to achieve any mechanical parameters-displacement, speed, acceleration, force-precisely. This paper presents a mathematical model and numerical simulation for a servocylinder which contains a double-acting hydraulic cylinder and a servo-valve, with the following parameters: 80 mm tube diameter, 200 bar maximal... View full abstract»

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  • Electronic module for the hydraulic system of mobile equipment used in road maintenance

    Publication Year: 2001, Page(s):186 - 188
    Cited by:  Papers (1)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (240 KB) | HTML iconHTML

    Modern electro-mechanic-hydraulic systems are well suited to mobile equipment used in agriculture and road maintenance fields. This paper presents a system realized in the Hydraulic and Pneumatic Research Institute that contains a hydraulic energy generator group actuated by a thermal motor, and two rotary hydraulic motors. In order to control the hydraulic parameters, a system consisting of two p... View full abstract»

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  • Electronic module for small hydroelectric power plant

    Publication Year: 2001, Page(s):183 - 185
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (220 KB) | HTML iconHTML

    Modern automation control systems of small hydroelectric power plants provide a constant frequency on the network. This regularization is achieved through positioning of the hydraulic director device that controls both water flow and electric machine speed. In order to control positioning of the director device, a high performance electro-hydraulic system is used. It contains a hydraulic cylinder,... View full abstract»

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  • Assessing the reliability and safety of fault tolerant designs

    Publication Year: 2001, Page(s):56 - 58
    Cited by:  Papers (3)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (164 KB) | HTML iconHTML

    Present-day fault-tolerant systems are increasingly used in critical applications such as aircraft control systems and industrial controllers. Dependability considerations require that in addition to high reliability, the system must have a high level of safety. Briefly, the reliability R(t) is the probability that the system produces correct output. Safety S(t) is defined as the probability that ... View full abstract»

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  • DC and AC electrical properties and long-term stability of LTCC resistors

    Publication Year: 2001, Page(s):137 - 141
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (400 KB) | HTML iconHTML

    Interesting problems occur due to mutual dependencies between various DC and AC electrical properties as well as with correlation between electrical characteristics and long-term stability of electronic components. This paper presents wide and systematic investigations of electrical and stability properties of buried and surface low temperature co-fired ceramics (LTCC) resistors. Various resistors... View full abstract»

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  • A new interconnection technique for the attachment of sensors

    Publication Year: 2001, Page(s):277 - 281
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (504 KB) | HTML iconHTML

    For many applications, absolutely flat sensor surfaces are needed to bring the sensor's active structure into intimate contact with a specimen surface. To fulfil this requirement, a new interconnection technique is presented. It is based on funnel-shaped holes drilled into the substrate using a laser. After plating the contact pads with a solderable metallization, the funnel mouth serves as a rese... View full abstract»

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  • Relationships among properties of sputtered thin films and sputtering process parameters

    Publication Year: 2001, Page(s):42 - 46
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (392 KB) | HTML iconHTML

    This paper focuses on the investigation of the influence of process parameters (pressure, applied power, sputtering time) during the radio frequency magnetron sputtering of nickel, aluminum and combined aluminum-silicon on properties of thin films. The experiments were carried out on the BALZERS PLS 160 radio frequency magnetron sputtering unit, using an argon atmosphere. The sheet resistance and ... View full abstract»

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  • Modeling and analysis of accelerated life test data

    Publication Year: 2001, Page(s):306 - 309
    Cited by:  Papers (2)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (228 KB) | HTML iconHTML

    An algorithm has been developed to implement accelerated life test data analysis for multiple type stress. The advantage is that it combines in one model most of the known life-stress relationships for one or two types of stresses such as the temperature-nonthermal modes. The solution to this model provides the engineers with an opportunity to expand their selection types, stresses and test condit... View full abstract»

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  • Analysis of PCB parasitic influences in uninterruptible power supplies

    Publication Year: 2001, Page(s):83 - 87
    Cited by:  Papers (3)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (356 KB) | HTML iconHTML

    The paper presents a method of analyzing the influence of the parasitic elements of a PCB on a push-pull DC-DC converter. The push-pull converter is a critical stage in an uninterruptible power supply (UPS). It must handle all the available back-up power in case of a line voltage drop or failure. For the correct push-pull converter functionality, it is essential to assure perfect circuit symmetry.... View full abstract»

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  • Laser via formation in flexible substrates for high density electronic assembly

    Publication Year: 2001, Page(s):163 - 166
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (404 KB) | HTML iconHTML

    This paper deals with the technology of double sided, high density printed circuit boards, based on advanced flexible materials, created especially for the interposer (the substrate element) of chip scale packages. The new technology requires new methods for the realization of via holes. These via holes are realized by laser drilling. The required laser drilling process and technology is under dev... View full abstract»

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  • Utilization of the seven Ishikawa tools (old tools) in the six sigma strategy

    Publication Year: 2001, Page(s):51 - 55
    Cited by:  Papers (2)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (336 KB) | HTML iconHTML

    Statistical process control (SPC) has become one of the most important applications of statistics in the electronics industry. It covers a variety of tools, and it can be considered that the seven Ishikawa (“old”) tools, also known as the seven quality control tools, are among the most useful and famous tools. The main goal of the use of these tools in manufacturing processes is to det... View full abstract»

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  • Education of the computer aided design

    Publication Year: 2001, Page(s):220 - 224
    Cited by:  Patents (1)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (324 KB) | HTML iconHTML

    Circuit module design is one of the most important topics in electronic education. During their study, students have to design, simulate, realize and document a functional circuit. The education includes lectures and laboratory exercises. On the lectures, the students are acquainted with the design rules and the use of OrCAD software. The lecturer uses a PC-projector for the PowerPoint show and fo... View full abstract»

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  • Some investigations on a “hidden” discontinuity: T-branch

    Publication Year: 2001, Page(s):133 - 136
    Cited by:  Papers (1)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (240 KB) | HTML iconHTML

    Among branch discontinuities found in PCB and microwave planar structures, the most usual are “T-branch” (or “T-junction”) and “cross”, the former having greater weight in practical applications. “T-branch” discontinuity is often found in standard passive interconnection structures. Normally, the designers use it during multi-connection trees generat... View full abstract»

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  • Influence of plasma treatment on the improvement of surface energy [packaging]

    Publication Year: 2001, Page(s):37 - 41
    Cited by:  Papers (1)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (332 KB) | HTML iconHTML

    Surface treatment is increasingly important in electronic packaging. Reasons for this development are increasing demands on the reliability of component packaging and the application of different materials with either high-energy or low-energy surfaces. High-energy materials include metals, metal oxides and inorganic compounds. Low-energy materials include organic materials and water. The surface ... View full abstract»

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  • Investigation on an integrated liquid cooling system in LTCC-multilayer

    Publication Year: 2001, Page(s):178 - 182
    Cited by:  Papers (1)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (440 KB) | HTML iconHTML

    Thermal management is one of the most important problems of electronic packaging design. Different concepts are discussed for material selection and design for LTCC modules. This paper gives an overview of the experimental and simulation results of a special concept with an integrated liquid cooling system in the LTCC multilayer. This concept, based on the integration of a channel system direct in... View full abstract»

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  • Methodology of estimate reliability of highly reliable components by monitoring performance degradation

    Publication Year: 2001, Page(s):125 - 128
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (236 KB) | HTML iconHTML

    Degradation analysis is an important method of assessing the reliability of highly reliable components and especially microsystems. Its application constantly increases due to the continuous efforts to produce increasingly reliable electronic products. The presented methodology is an effective way to estimate the component's reliability by monitoring performance degradation. The main advantage is ... View full abstract»

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  • Computer based education and evaluation in the field of electronic components

    Publication Year: 2001, Page(s):302 - 305
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (328 KB) | HTML iconHTML

    The explosive development of information technology opens new perspectives in electronic packaging education and evaluation, eliminating the routine from the teacher's job and helping him to focus on the principles. As part of the continuous activity of improving the education level, the authors' team had successfully developed, tested and used a flexible software platform for training and evaluat... View full abstract»

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  • High sensitive pulse inductive eddy current measurement for mine detection systems

    Publication Year: 2001, Page(s):207 - 211
    Cited by:  Papers (3)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (352 KB) | HTML iconHTML

    Due to military conflicts, more than 100 million landmines are scattered all over the world. Besides the unbelievable human suffering these mines cause, mines are a strong economic and environmental problem and prevent industrial and agricultural use of land. State of the art mine detection is mainly based on metal detectors (MD). Due to military and urban metal parts like shrapnel, nails, etc., a... View full abstract»

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  • Reproducibility investigations and different experiments with a new type of electronically-conducting-polymer based bipotentiostatic uric acid sensor

    Publication Year: 2001, Page(s):268 - 272
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (392 KB) | HTML iconHTML

    Reproducibility investigations and different experiments with a new type of electronically-conducting-polymer based bipotentiostatic uric acid sensor have been conducted. The sensor was constructed by using dodecyl sulfate doped poly-N-methyl-pyrrole for enzyme immobilization. This polymer film can incorporate the enzyme in one step during electropolymerisation. By the bipotentiostatic measuring m... View full abstract»

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  • Visual modelling of physical processes

    Publication Year: 2001, Page(s):78 - 82
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (620 KB) | HTML iconHTML

    The development of information technology has also opened new perspectives in modeling and simulation of processes used in electronics packaging technology. In September of 1999 an IEEE/NSF supported Project has been launched for the creation of a virtual laboratory (http://www.ett.bme.hu/vlab or http://www.ewh.ieee.org/mm/cpmt/vlab) environment to present and study equipment, and to promote proce... View full abstract»

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  • Machine and process capability coefficient of solder paste printers

    Publication Year: 2001, Page(s):26 - 31
    Cited by:  Papers (2)  |  Patents (1)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (348 KB) | HTML iconHTML

    For manufacturers of assembled boards seeking ISO 9000 certification, a number of requirements are placed on measurement instruments and tooling. This standard requires a system to document and maintain calibration and machine capabilities. One of these problems is the measurement of printing accuracies of solder paste printers. The paper presents: short theoretical overview of machine capabilitie... View full abstract»

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  • Platinum IR sources for NDIR gas monitors

    Publication Year: 2001, Page(s):189 - 192
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (300 KB) | HTML iconHTML

    The work presents the results of research of the new thermal IR sources to be used in NDIR (nondispersive infrared) gas monitors. The developed sources are adapted to direct modulation that consists of supplying the heater with variable voltage. Appropriate heat transfer makes it possible to reach a modulation frequency as high as 50 Hz. This value is considerably greater then the frequency limit ... View full abstract»

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