Electronics Manufacturing Technical Articles

Electronics Manufacturing Technical Articles

Papers and articles related to SMT, PCB & EMS industry.

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1882 SMT / PCB Assembly Related Technical Articles

Cleaning PCBs in Electronics: Understanding Today's Needs

Feb 16, 2022 | P.J.Duchi, Anne-Marie Laügt, Marie Verdier, G.Abidh

Because of the phase-out of CFCs and HCFCs, standard solder pastes and fluxes evolved from RA and RMA fluxes to No-Clean, to low residue No-Clean, to very low residue No-Clean. Many companies came out with their cleaning solutions, aqueous and semi-aqueous, with each product release being more innovative than the previous one. Unfortunately for most of the suppliers of cleaners, two other trends appeared; lead-free soldering and the progressive miniaturization of electronic devices...

Publisher: Inventec Performance Chemicals

Inventec Performance Chemicals

Innovative Soldering, Cleaning & Coating materials for high-tech industries. Matching performance with sustainability.

Bry-sur-Marne, France

Manufacturer

Additively Manufactured mm-Wave Multichip Modules With Fully Printed "Smart" Encapsulation Structures

Feb 09, 2022 | Xuanke He, Bijan K. Tehrani, Ryan Bahr, Wenjing Su, and Manos M. Tentzeris

This article presents the first time that an millimeter-wave (mm-wave) multichip module (MCM) with on-demand "smart" encapsulation has been fabricated utilizing additive manufacturing technologies. RF and dc interconnects were fabricated using inkjet printing, while the encapsulation was realized using 3-D printing. Inkjet-printed interconnects feature superior RF performance, better mechanical reliability, and on-demand, low-cost fabrication process....

Publisher: Georgia Institute of Technology

Georgia Institute of Technology

Center for Board Assembly Research CBAR- advanced research on board assembly processes and systems

Atlanta, Georgia, USA

Research Institute / Laboratory / School

Open Radio Unit White Box 5G

Jan 28, 2022 | Whizz Systems

This white paper provides an overview of the design and development process for the various hardware components that make up the 5G ORU white box. Whizz Systems is responsible for the electrical, thermal, mechanical engineering, and manufacturing aspects, as well as system validation and bring up of the turn key white box ORU solution....

Publisher: Whizz Systems

Whizz Systems

Electronic manufacturing services - electronic design, development and manufacturing. Circuit board design, prototyping, FPGA services, signal integrity and simulation, pcb assembly. Factories in California USA and Malaysia.

Santa Clara, California, USA

Consultant / Service Provider, Manufacturer

An Experimental Investigation of Fracture Toughness and Volume Resistivity of Symmetric Laminated Epoxy/ Glass Fiber/CNT multiscale composites

Jan 26, 2022 | Mahadevan Lakshmanan Karingamanna Jayanarayanan, Joyal Joesph

In this work an attempt is made to improve the fracture toughness and electrical conductivity of epoxy/glass fiber based laminates by the inclusion of carbon nanotube (CNT) fillers. The fiber orientation of the epoxy/ glass fiber (GF) fabric laminates was optimized based on estimation of mechanical properties. The carboxylic acid functionalized CNTs were incorporated into epoxy matrix by ultra-sonication method. The nano filled epoxy resin was used to prepare laminates with 30/45 GF fabric orientation. The CNT content was varied and its effect on the tensile properties was determined. The fracture toughness of multiphase composites was estimated using single edge notch bend (SENB) test. The presence of CNTs improved the fracture toughness by a crack bridging mechanism. The volume resistivity of multiphase composites was found to be superior to the conventional epoxy/CNT composite. The presence of glass fabric reduces the number of inter-tube contacts contributing to the reduction in volume resistivity....

Publisher: Amrita University

Amrita University

Amrita Vishwa Vidyapeetham is a multi-campus, multi-disciplinary research academia that is accredited 'A++' by NAAC and is ranked as one of the best research institutions in India.

Tamil Nadu, India

Research Institute / Laboratory / School

Adhesion and Puncture Strength of Polyurethane Coating Used to Mitigate Tin Whisker Growth

Jan 26, 2022 | Kenny Mahan, Yong Sun, Bongtae Han1, Sungwon Han, Mike Osterman

Reliability of conformal coatings used to mitigate tin whisker growth depends on their ability to contain tin whiskers. Two key material properties required to assess the reliability of a polyurethane coating are documented experimentally: adhesion strength and puncture strength. A modified blister test using a predefined blister area is employed to assess the adhesion strength and a puncture test is employed to evaluate the puncture strength of the coating. After measuring the properties at time zero, the coatings are subjected to accelerated testing conditions (high temperature/humidity storage and temperature cycling) and the degradations of the coating properties are documented....

Publisher: CALCE Center for Advanced Life Cycle Engineering

CALCE Center for Advanced Life Cycle Engineering

The largest electronic products research center focused on electronics reliability, is dedicated to providing a knowledge and resource base to support the development of competitive electronic components, products and systems.

College Park, Maryland, USA

Consultant / Service Provider, Training Provider

An Electrochemical Sensor for Determination of Sulfite (SO32-) in Water Based on Molybdenum Disulfide Flakes/Nafion Modified Electrode

Jan 19, 2022 | Jie Yang, Xiangyu Xu, Xuyan Mao, Liang Jiang, Xueliang Wang

The assay for monitoring the content of sulfite ions (SO32−) is essentially important because sulfite has some seriously toxic effects on both environment and human health. For this, a SO32- electrochemical sensor was fabricated utilizing molybdenum disulfide (MoS2) and Nafion. The cyclic voltammetry (CV) and differential pulse voltammetry (DPV) showed that MoS2 had excellently catalytical activity for the redox of SO32-....

Publisher: Jining Medical University

Jining Medical University

Jining Medical University, is a public institution of higher learning in Jining and Rizhao, Shandong province, China

Jining City, Shandong Province, China

Research Institute / Laboratory / School

Non‑Invasive Monitoring Of Ph And Oxygen Using Miniaturized Electrochemical Sensors In An Animal Model Of Acute Hypoxia

Jan 19, 2022 | Laura Pla, Sergio Berdún, Mònica Mir, Lourders Rivas, Sandrine Miserere, Samuel Dulay, Josep Samitier, Elisenda Eixarch, Miriam Illa, and Eduard Gratacós

pH and oxygen electrochemical sensors were evaluated in a ventilatory hypoxia rabbit model. The ventilator hypoxia protocol included 3 differential phases: basal (100% FiO2), the hypoxia-acidosis period (10% FiO2) and recovery (100% FiO2). Sensors were tested in blood tissue (ex vivo sensing) and in muscular tissue (in vivo sensing). pH electrochemical and oxygen sensors were evaluated on the day of insertion (short-term evaluation) and pH electrochemical sensors were also tested after 5 days of insertion (long-term evaluation). pH and oxygen sensing were registered throughout the ventilatory hypoxia protocol (basal, hypoxia-acidosis, and recovery) and were compared with blood gas metabolites results from carotid artery catheterization (obtained with the EPOC blood analyzer)....

Publisher: Universitat de Barcelona

Universitat de Barcelona

University of Barcelona is a public university located in the city of Barcelona, Catalonia in Spain. With 63,000 students, it is one of the biggest universities in Spain. It is one of the oldest universities in Catalonia, establis

Barcelona, Spain

Research Institute / Laboratory / School

Electrochemical Sensors

Jan 19, 2022 | Neelansh Sharma, Vishal Mutreja, Hardeep Kaur

Electrochemical sensors are a class of sensors in which the transducer component is the electrode. These methods are presently utilized in a wide assortment of business applications. These sensors are significant for some factors: the utilization of the electron for signal obtaining, which is known to be a perfect model for logical applications, without squander age; scaling down in versatile gadgets (test microvolume investigation); quick examination; and minimal effort of creation, permitting these techniques to be promoted (for example as business glucose sensors)....

Publisher: Chandigarh University

Chandigarh University

Chandigarh University, Punjab [CU] is the Best University in Punjab and North India that offers various Undergraduate and Post graduate Courses

Punjab, India

Research Institute / Laboratory / School

A Flexible Front-End for Wearable Electrochemical Sensing

Jan 19, 2022 | Ivan Ny Hanitra, Lucia Lobello, Francesca Stradolini, Abuduwaili Tuoheti, Francesca Criscuolo, Tugba Kilic, Danilo Demarchi, Sandro Carrara and Giovanni De Micheli

This work presents the design and the realization of a flexible front-end circuitry for electrochemical sensing with wearable devices. The hardware combines readout circuitry for amperometric and Open Circuit Potential (OCP) measurements. The sensing platforms are dedicated to lactate and lithium detection in sweat, hence allowing the monitoring of athletes under physical effort....

Publisher: Swiss Federal Institute of Technology Lausanne - Integrated Systems Laboratory (Laboratoire des Systèmes Intégrés – LSI)

Swiss Federal Institute of Technology Lausanne - Integrated Systems Laboratory (Laboratoire des Systèmes Intégrés – LSI)

LSI studies design technologies for circuits and systems. The objective is to research the interplay of hardware and software design for traditional (computation on silicon) and non-traditional (nanotechnology and biosensors)

Lausanne, Switzerland

Research Institute / Laboratory / School

Global LiDAR Sensors Market Growth to Gain Traction by a CAGR of ~12%

Jan 18, 2022 | Ataurrahaman

Research Nester published a report titled "LiDAR Sensors Market: Global Demand Analysis & Opportunity Outlook 2031" which delivers detailed overview of theglobalLiDAR sensors market in terms of market segmentation by type, technology, application, and by region....

Publisher: Research Nester

Research Nester

Research Nester is a one-stop service provider, leading in strategic market research and consulting with an unbiased and unparalleled approach towards helping global industrial players.

New York, New York, USA

Consultant / Service Provider

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