circuit board
Experimental investigation of the reliability of Printed Circuit Board (PCB)-embedded power dies with pressed contact made of metal foam
... A Printed Circuit Board (PCB)-embedding process using pressed metal foam to connect the top-side pads of power dies is considered. The manufacturing process, simple and highly cost-effective, is described ...
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Miniaturization Techniques of Substrate Integrated Waveguide Based on Multilayered Printed Circuit Board Platform
... reduce circuit complexity and allow for a higher level integration compared with other conventional heterodyne ...integrated circuit (MMIC), miniaturized hybrid integrated circuit (MHMIC) (Tatu et ...
200
Double side interconnection for vertical power components based on macro and nano structured copper interfaces and printed circuit board technologies
... Double side interconnection for vertical power components based on macro and nano structured copper interfaces and printed circuit board technologies... The approach is a combination of [r] ...
7
An electrochemical approach to total organic carbon control in printed circuit board copper sulfate plating baths Part II: Overfall system
... printed circuit board (PCB) plating baths ...printed circuit boards and in particular their photoresist, contaminants carried in on the surfaces of the boards from previous process steps (‘drag in’), ...
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Highly integrated power electronic converters using active devices embedded in printed-circuit board
... Keywords 3-D packaging, PCB, DBC 1 Introduction Current and future power semiconductor devices (espe- cially those based on silicon carbide – SiC – or gallium nitride – GaN –) offer very high switching speed capabil- ...
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An electrochemical approach to total organic carbon control in printed circuit board copper sulfate plating baths Part I: Anode performances
... Key words: anode coatings, electrooxidation, plating bath purification Abstract An electrochemical approach to decreasing high levels of total organic carbon (TOC) in printed circuit board (PCB) copper ...
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The component retrieval problem in printed circuit board assembly
... printed circuit board assembly process is a complex ...the board, and the assignment of component types to the feeder slots of the placement ...the board, the feeder slot from which the ...
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Printed Circuit Board Permittivity Measurement Using Waveguide and Resonator Rings
... tivity of Printed Circuit Board (PCB) substrates is important in modern electronics. In this paper, two methods for measuring the permittivity are applied to the same Flame Resistant (FR4) substrate and the ...
5
Developing a methodology to link printed circuit board assembly yield targets to commodity group quality goals
... (as broken out by commodity group) for each PCBA to model what impact an improvement in DPPM for a commodity group will have on the number of boards that meet their [r] ...
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Achieving Six Sigma printed circuit board yields by improving incoming component quality and using a PCBA prioritization algorithm
... improvements: (1) PCBA yields can be improved by optimizing component selection across the product portfolio by analyzing component cost and quality levels, and (2) Using the S[r] ...
143
Design method of a modular electronic printed circuit board testing system
... In line automated test methods are used to automatically place the PCB into the testing fixture with the use of conveyors. While fast and capable of removing the operator[r] ...
54
Theoritical and experimental study of magnetic sensors for near-field emission measurement. Application to design and integration in power printed board circuit
... Near-Field (NF) techniques enable the development of non- intrusive sensors with high temporal and spatial resolution [2]. The electric field measurement is ensured by monopole and dipole probes whereas loop probes are ...
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Theoritical and experimental study of magnetic sensors for near-field emission measurement. Application to design and integration in power printed board circuit
... Near-Field (NF) techniques enable the development of non- intrusive sensors with high temporal and spatial resolution [2]. The electric field measurement is ensured by monopole and dipole probes whereas loop probes are ...
7
Guide d'installation Bulletin Board
... Bulletin Board doit être posé sur des cloisons en béton lisse, des cloisons avec plafonnage à base de ciment, des cloisons en plâtre, des cloisons de séparation et sur des panneaux (panneaux durs, aggloméré, ...
5
Circuit Theory
... If a network is to be constructed by imbedding a linear device in a network of ideal transformers, there are certain allowed natural frequencies for the resultin[r] ...
6
Circuit Theory
... Current short- range projects include work on parametric amplifiers, devices for nonlinear filtering, general network topology, development of artificial noise sources,[r] ...
6
Circuit Theory
... This circuit may be designed to produce an optimum combined signal even if the signal-to-noise ratios of the signals before combination are less than unity; it wi[r] ...
3
Circuit Theory
... Conversely, if the driving-point resistances of the pairs are of different orders, then the pairs are loosely coupled, and short-circuiting one pair will not great[r] ...
3
Circuit Theory
... The general objective of this research is to extend our knowledge of the properties of electric networks, active or passive, reciprocal or nonreciprocal, linear or[r] ...
6
Circuit Theory
... A matrix that commutes with its conjugate transpose is called "normal"; this class includes as important special cases matrices that are Hermitian, skew-Hermi[r] ...
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