Results 1 to 10 of about 19,868 (354)

Bioleaching of Metals from Printed Circuit Boards [PDF]

open access: goldNature Environment and Pollution Technology, 2022
Electronic waste or E-waste refers to the discarded electrical or electronic devices which have neared their useful life. Because of the toxicity and carcinogenicity of some compounds, the proper management and safe disposal of these electronic wastes ...
Pavithira V., Anchana Devi C. and Pushpa N.
doaj   +2 more sources

Technology options for embedding low-profile electronic components in printed circuit boards

open access: yesTekhnologiya i Konstruirovanie v Elektronnoi Apparature, 2018
In order to improve the overall characteristics of printed circuit boards, two technologies for the formation of multilayer printed circuit boards have been developed - with the embedding of low-profile electronic components in a layer of fiberglass and ...
A. A. Efimenko, V. O. Ryabov
doaj   +3 more sources

Etch-Resist Paints for Printed Circuit Boards [PDF]

open access: greenعلوم و تکنولوژی پلیمر, 1992
S. A., H. Pirouzfar
doaj   +2 more sources

Experimental Studies of Conductive Paths of Printed Circuit Boards by Using Subminiature Eddy Current Transducers [PDF]

open access: yesE3S Web of Conferences, 2021
This paper describes the development and experimental study of a software and hardware complex designed for studying the conductive tracks of printed circuit boards.
Malikov Vladimir   +3 more
doaj   +1 more source

TECHNOLOGY FOR CREATING THE TOPOLOGY OF PRINTED CIRCUIT BOARDS USING POLYMER 3D MASKS

open access: yesСучасний стан наукових досліджень та технологій в промисловості, 2021
The subject of research is the influence of factors of exposure of two-dimensional images on the topology of conductors in the manufacture of printed circuit boards by the method of three-dimensional polymer photomasks.
Igor Nevliudov   +4 more
doaj   +1 more source

Current capabilities of prototyping technologies for multilayer printed circuit boards on a 3D printer

open access: yesРоссийский технологический журнал, 2021
A new direction in 3D printing was investigated – prototyping of single-sided, double-sided and multilayer printed circuit boards. The current capabilities and limitations of 3D printed circuit board printing technology were identified.
D. S. Vorunichev, K. Yu. Vorunicheva
doaj   +1 more source

Hydrometallurgical Methods for Extracting Non-ferrous Metals from Electronic Gadgets

open access: yesChemical Engineering Transactions, 2021
This article explores an environmentally friendly method of complex processing of printed circuit boards of cell phones in order to extract gold and other valuable components without cyanides. Thiourea was used as reagents for leaching gold and silver. A
Zhanserik Shoshay   +3 more
doaj   +1 more source

Analysis of heating of printed circuit board conductors on a metal base for spacecraft devices at pulsed current

open access: yesФизика волновых процессов и радиотехнические системы, 2022
The article presents the results of the analysis of heating of printed circuit conductors of printed circuit boards mounted on a metal base, on-board device of spacecraft when pulsed current flows through them.
Alexey V. Kostin
doaj   +1 more source

Analysis of the treatment of plastic from electrical and electronic waste in the Republic of Serbia and the testing of the recycling potential of non-metallic fractions of printed circuit boards [PDF]

open access: yesHemijska Industrija, 2017
This paper presents the analysis of the quantity of plastic and waste printed circuit boards obtained after the mechanical treatment of electrical and electronic waste (E-waste) in the Republic of Serbia, as well as the recycling of non-metallic ...
Vučinić Aleksandra S.   +4 more
doaj   +1 more source

From Mineral Processing to Recycling: The Case of End-of-Life Printed Circuit Boards’ Physical Processing

open access: yesMaterials Proceedings, 2021
The treatment of end-of-life printed circuit boards (EoL PCBs) presents a contemporary recycling challenge with significant environmental, economic and social dimensions.
Kyriakos Syrmakezis   +2 more
doaj   +1 more source

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