printed wiring board


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Related to printed wiring board: circuit board, printed circuit

printed wiring board

[¦print·əd ′wīr·iŋ ‚bȯrd]
(electronics)
A copper-clad dielectric material with conductors etched on the external or internal layers.
References in periodicals archive ?
The new company will sign a patent license agreement covering B2it technology with DNP, and manufacture and market printed wiring boards based on this technology.
The survey report contains data on waste and chemical use reduction achieved through implementing these technologies (Printed Wiring Board Pollution Prevention and Control: Analysis of Survey Results: EPA 744-R-95-006).
For internal inspections, the sample can be cross-sectioned (microsectioned) to reveal a layer-by-layer structure of a component on a printed wiring board. The optical image provides a roadmap for navigating the sample in the SEM.
Abstract: The objective of this investigation was to determine the impact of reflow soldering inert atmosphere quality on the wettability of various printed wiring board surface finishes.
The company's objective will be to develop a new production process where an entire product or some of its functional parts can be integrated inside a printed wiring board.
It is compatible with printed wiring board processes and has a thermal resistance up to 180[degrees]C.
In 2001 Aspocomp SAS reported earnings before interest and tax (EBIT) of a loss of EUR23.9m and the difficult market situation in the printed wiring board industry has led to very low loading at the unit with no hope of improvement seen for now.
The compliant polymeric elastomer decouples the thermal expansion of the printed wiring board ([approximately equal to] 18 ppm/[degrees] C) from that of the die ([approximately equal to] 3 ppm/[degrees] C).
The main consideration is plating distribution across the surface of a printed wiring board panel, and from the surface of the panel through the holes, it will vary due to resistances.
We design and assemble our specialty products in-house and find that the printed wiring board designers seem to have little appreciation for some of the problems we have assembling and soldering their designs.
The Finnish high-tech component manufacturer Aspocomp Group says the difficult market situation in the printed wiring board industry has led to very low loading at its French operations, Aspocomp SAS.
The FODEL gold conductive material uses the inorganic constituents of a conventional thick-film composition - metal powders, metal oxides and refractory powders - and the organic materials of printed wiring board (PWB) photoresists - polymers, monomers, photoinitiators and stabilizers.