Electronics Manufacturing Technical Articles

Electronics Manufacturing Technical Articles

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

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1857 SMT / PCB Assembly Related Technical Articles

Recycling Waste Circuit Board Efficiently and Environmentally Friendly through Small-Molecule Assisted Dissolution

Jan 05, 2022 | Zhiqiang Chen, Meng Yang, Qian Shi, Xiao Kuang, H. Jerry Qi & Tiejun Wang

With the increasing amount of electronic waste (e-waste) generated globally, it is an enormous challenge to recycle printed circuit boards (PCBs) efficiently and environmentally friendly. However, conventional recycling technologies have low efficiency and require tough treatment such as high temperature (>200 °C) and high pressure. In this paper, a small-molecule assisted approach based on dynamic reaction was proposed to dissolve thermosetting polymers containing ester groups and recycle electronic components from PCBs....

Publisher: Xian Jiaotong University

Xian Jiaotong University

Xi'an Jiaotong University is a C9 League university with strengths in engineering, technology, management, and life sciences located in Xi'an, Shaanxi, China. It is a Chinese Ministry of Education Class A Double First Class Univ.

Xi'an, Shaanxi, China

Research Institute / Laboratory / School

why need Under vaccum potting machine for motor stator iginition coil

Dec 31, 2021 | Fully Automatic Vacuum Chamber Glue Potting Solution

Any air entrapment in the potting compound can result in air bubbles that may cause performance problems in the finished component. Potting under vacuum is therefore frequently required to prevent air entrapment, especially with the increasingly small and complex assemblies required in today's electronics...

Publisher: Guangzhou Daheng Automation Equipment Co.,LTD

Guangzhou Daheng Automation Equipment Co.,LTD

Whatsapp 0086 134 2516 4065 SMT glue dispenser machine, Meter mix dispenser, two component glue potting machine, mixi and dosing machine widely used PCB potting , led light encapsolution.

Guangzhou, China

Manufacturer

why need Under vaccum potting machine for motor stator iginition coil

Dec 31, 2021 | Fully Automatic Vacuum Chamber Glue Potting Solution

Any air entrapment in the potting compound can result in air bubbles that may cause performance problems in the finished component. Potting under vacuum is therefore frequently required to prevent air entrapment, especially with the increasingly small and complex assemblies required in today's electronics...

Publisher: Guangzhou Daheng Automation Equipment Co.,LTD

Guangzhou Daheng Automation Equipment Co.,LTD

Whatsapp 0086 134 2516 4065 SMT glue dispenser machine, Meter mix dispenser, two component glue potting machine, mixi and dosing machine widely used PCB potting , led light encapsolution.

Guangzhou, China

Manufacturer

What are the packaging forms of electronic components

Dec 31, 2021 | James Tong

The packaging method of surface mount components has become an important part of the SMT system. It directly affects the efficiency of assembly production and must be optimized in combination with the type and number of feeders of the SMT machine. There are four main types of packaging for surface mount components, Tape, tube, tray and bulk....

Publisher: Shenzhen Sewate Technology Co.,Ltd

Shenzhen Sewate Technology Co.,Ltd

Sewate professionally produce ESD protective packaging systems such as ic shipping tubes, plastic anti static ic tubes,, carrier tape, cover tape and reel, ESD trays for electronic components.

Shenzhen, China

Consultant / Service Provider, Manufacturer

How to Control Speed of Servo Motor & Anti-Interference Measures

Dec 31, 2021 | markee

A servomotor refers to the actuator to control the operation of mechanical components in the servo system and is a subsidy motor indirect transmission device. The servo motor can control speed, whose position accuracy is high, and convert voltage signal into torque and speed to drive the controlled object. A servomotor speed is controlled by the input signal, responding quickly....

Publisher: OKmarts Industrial Parts Mall

OKmarts Industrial Parts Mall

OKmarts is an authorized and one-stop online mall for industrial parts covering refrigeration compressors, servo drives, servo motors, amplifiers, VFDs, HMIs, PLCs, encoders, sensors and more!

Hartford, Connecticut, USA

Equipment Dealer / Broker / Auctions

Effect of Thermal Aging on Solderabilityof ENEPIG Surface Finish Used in Printed Circuit Boards

Dec 29, 2021 | MaanBajnaid, Emily Holtzhouser, Jordan Terrell, Lawrence Yeh

Medtronic seeks to quantify the thermal aging limits of electroless Ni-electroless Pd-immersion Au (ENEPIG) surface finishes to determine how aggressive the silicon burn-in process can be without loss of solderability. Silicon burn-in (power testing at elevated temperature) is used to eliminate early field failures, critical for device reliability. Thermal aging due to burn-in or annealing causes Ni and Pd diffusion to and oxidation on the surface. Surface oxides limit wetting of the PbSn solder, affecting electrical connectivity of components soldered afterburn-in. Isothermal aging of two ENEPIG surface finishes was performed at 75°C-150°C for 100 hrs-1500hrs to test the thermal aging limits and identify how loss of solderability occurs....

Publisher: Purdue University

Purdue University

An educational institution, Purdue's ECET Department teaches ECAD design, electronic manufacturing, and electronic test including DFT.

West Lafayette, Indiana, USA

Investigation of Impacts on Printed Circuit Board Laminated Composites Caused by Surface Finish Application

Dec 29, 2021 | Denis Froš , Karel Dušek and Petr Veselý

The purpose of this study was to compare the strength of the bond between resin and glass cloth for various composites (laminates) and its dependence on utilized soldering pad surface finishes. Moreover, the impact of surface finish application on the thermomechanical properties of the composites was evaluated. Three different laminates with various thermal endurances were included in the study. Soldering pads were covered with OSP and HASL surface finishes. The strength of the cohesion of the resin upper layer was examined utilizing a newly established method designed for pulling tests....

Publisher: Czech Technical University in Prague

Czech Technical University in Prague

The Czech Technical University in Prague (CTU) is one of the largest and oldest technical universities in Europe. According to Methodology 2017+, CTU occupies first place in the rankings for technical universities in the Czech Rep

Prague 6, Czech Republic

Research Institute / Laboratory / School

How to Communicate PLC to VFD

Dec 28, 2021 | markee

PLC (Programmable Logic Controller) and VFD (Variable Frequency Drive) play an important role in industrial production and technological development. They have been widely used in the field of industrial automation and mechanical automation. The control of the PLC and VFD is quite intelligent and automated, which brings great convenience to industrial production and life. The PLC and VFD will perform intelligent calculation, control and output according to the predetermined program. Today we will focus on how the PLC and the VFD communicate, and in what ways? First, let's take a look at their respective basic structures....

Publisher: OKmarts Industrial Parts Mall

OKmarts Industrial Parts Mall

OKmarts is an authorized and one-stop online mall for industrial parts covering refrigeration compressors, servo drives, servo motors, amplifiers, VFDs, HMIs, PLCs, encoders, sensors and more!

Hartford, Connecticut, USA

Equipment Dealer / Broker / Auctions

Oncology Information System Market Is Expected To Register a Notable CAGR of ~7%

Dec 27, 2021 | Ataurrahaman

Research Nester published a report titled "Oncology Information System Market: Global Demand Analysis & Opportunity Outlook 2030" which delivers a detailed overview of the global oncology information system market in terms of market segmentation by product, software, end-user, 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

List of Problems and Solutions for Centrifugal Air Compressor

Dec 22, 2021 | markee

As a speed type air compressor, centrifugal compressor can generate air flow moving in radial direction. Centrifugal air compressors are used by a large number of companies today because of their high-pressure tightness. Therefore, common faults in the operation have become one of the most concerned issues for users. This article will discuss causes of centrifugal compressor failures and give corresponding maintenance measures. At the end, OKmarts has listed the problems and solutions in detail for your quick reference....

Publisher: OKmarts Industrial Parts Mall

OKmarts Industrial Parts Mall

OKmarts is an authorized and one-stop online mall for industrial parts covering refrigeration compressors, servo drives, servo motors, amplifiers, VFDs, HMIs, PLCs, encoders, sensors and more!

Hartford, Connecticut, USA

Equipment Dealer / Broker / Auctions

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