Electronics Manufacturing Technical Articles

Electronics Manufacturing Technical Articles

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

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1789 SMT / PCB Assembly Related Technical Articles

Product Design and Early Manufacturing Involvement

Apr 01, 2020 | ACI Technologies, Inc.

It happens much too often; manufacturing engineers are brought into a NEW product design phase at the very end of a design and are asked to provide input that should have been provided much earlier. One needs to understand how the circuit board design and quality of the manufacturing process not only effects assembly yield and product reliability, but how it could also affect the results of any testing that is done to circuit packs during prototyping. It is important that any circuit pack (including prototypes) that will be used in reliability, performance and functional testing be designed with the proper features and assembled with a manufacturing process that has been developed to produce a high-quality assembly. If not, the results of any testing might not represent the actual characteristics of the design and provide miss-guidance to future changes....

Publisher: ACI Technologies, Inc.

ACI Technologies, Inc.

ACI, an authorized IPC Training Center operating the National Electronics Manufacturing Center of Excellence providing analytical testing, manufacturing and repair services to the electronics industry.

Philadelphia, Pennsylvania, USA

Consultant / Service Provider, Standards Setting / Certification, Training Provider

1Click SMT Made Successful Installation and Training For Thai Customer!

Apr 01, 2020 | 1Clicksmt

Recently, our engineer Peter went to Thailand to provide after-sales support for our customer. In these days, we had installed a SC-900 selective coating line . Moreover, Peter gave patience and meticulous training to their staff, make sure they master the machine usage .Customer and agent are satisfied with our support and give their affirmation to us. SC-900 is a high Performance 4 axis Selective Coating Machine ,which is equipped with high precision servo control system , various valves , CCD system ,material tank weight detecting system etc, which can provide a high efficiency conformal coating process .The maximum coating size can reach 400mm*450mm with SC-900. So far, we've installed several dozen conformal coating line all over the world. It have excellent stability and performance. Check below link to get more info!...

Publisher: 1 CLICK SMT TECHNOLOGY CO., Limited

1 CLICK SMT TECHNOLOGY CO., Limited

Manufacturer of selective soldering machine, soldering robot, reflow oven, wave solder machine, pcb handling machine. Distributing for Turnkey line include SMT line, conformal coating lines, through hole line.

Dongguan City, China

Distributor, Manufacturer

New High-Speed 3D Surface Imaging Technology in Electronics Manufacturing Applications

Mar 26, 2020 | Juha Saily

This paper introduces line confocal technology that was recently developed to characterize 3D features of various surface and material types at sub-micron resolution. It enables automatic microtopographic 3D imaging of challenging objects that are difficult or impossible to scan with traditional methods, such as machine vision or laser triangulation.<p><p>Examples of well-suited applications for line confocal technology include glossy, mirror-like, transparent and multi-layered surfaces made of metals (connector pins, conductor traces, solder bumps etc.), polymers (adhesives, enclosures, coatings, etc.), ceramics (components, substrates, etc.) and glass (display panels, etc.). Line confocal sensors operate at high speed and can be used to scan fast-moving surfaces in real-time as well as stationary product samples in the laboratory. The operational principle of the line confocal method and its strengths and limitations are discussed.</p><p>Three metrology applications for the technology in electronics product manufacturing are examined: 1. 3D imaging of etched PCBs for micro-etched copper surface roughness and cross-sectional profile and width of etched traces/pads. 2. Thickness, width and surface roughness measurement of conductive ink features and substrates in printed electronics applications. 3. 3D imaging of adhesive dots and lines for shape, dimensions and volume in PCB and product assembly applications....

Publisher: FocalSpec, Inc.

FocalSpec, Inc.

Offers bare sensors for system integration, offline benchtop tools and online scanners for metrology and inspection applications.

Santa Clara, California, USA

Manufacturer

DA-1200 THT automated inspection system service report

Mar 24, 2020 | 1clicksmt

Installing time : November 24 to December 2 ,2019 Participants： Customer from (Elaraby , Egypt) Service engineer：Peter (1 Click SMT)...

Publisher: 1 CLICK SMT TECHNOLOGY CO., Limited

1 CLICK SMT TECHNOLOGY CO., Limited

Manufacturer of selective soldering machine, soldering robot, reflow oven, wave solder machine, pcb handling machine. Distributing for Turnkey line include SMT line, conformal coating lines, through hole line.

Dongguan City, China

Distributor, Manufacturer

Robust Reliability Testing For Drop-on-Demand Jet Printing

Mar 19, 2020 | Gustaf Mårtensson, Patrik Mirzai

In this study, the question was how to perform statistically reliable robust- ness tests for the non-contact drop-on-demand printing of functional fluids, such as solder paste and conductive adhesives. The goal of this study was to develop a general method for hypothesis testing when robustness tests are performed. The main problem was to determine if there was a statistical difference between two means or proportions of jet printing devices. In this study, an example of jetting quality variation was used when comparing two jet printing ejector types that differ slightly in design. We wanted to understand if the difference in ejector design can impact jetting quality by performing robustness tests. and thus answer the question, "Can jetting differences be seen between ejector design 1 and design 2"?...

Publisher: Mycronic AB

Mycronic AB

Mycronic's High Flex division offers SMT equipment and solu­tions to high-mix electronics manufacturers with a requirement for quick changeover, high quality and high equipment utilization rate.

Täby, STOCKHOLM, Sweden

Manufacturer

IPC Apex Expo 2020 Remarks

Mar 12, 2020 | Roland Girouard

IPC's APEX EXPO is always exciting & always fun and, most importantly, always beneficial to those who exhibit and attend. From technical conferences to standards committees to new and exciting things on the show floor - APEX 2020 was indeed a success...

Publisher: SMTnet

SMTnet

Helping businesses find each other.

Portland, Maine, USA

Consultant / Service Provider, Marketing Agency, Media / Publisher / Online Resource, Other

Filling of Microvias and Through Holes by Electrolytic Copper Plating –Current Status and Future Outlook

Mar 12, 2020 | Mustafa Özkök, Sven Lamprecht, Akif Özkök, Dolly Akingbohungbe, Moody Dreiza - Atotech Deutschland GmbH, Alex Stepinski - GreenSource Fabrication LLC

The electronics industry is further progressing in terms of smaller, faster, smarter and more efficient electronic devices. This continuous evolving environment caused the development on various electrolytic copper processes for different applications over the past several decades. (...) This paper describes the reasons for development and a roadmap of dimensions for copper filled through holes, microvias and other copper plated structures on PCBs....

Publisher: Atotech

Atotech

One of the world's leading suppliers of integrated production systems, chemistry, equipment, know-how and service for electroplating, semiconductor and printed circuit board manufacturing.

Berlin, Germany

Manufacturer

Cleaning No-Clean Fluxes Prior to Conformal Coating

Mar 09, 2020 | ACI Technologies, Inc.

A customer called the Helpline seeking advice for cleaning no-clean fluxes prior to applying a conformal coating. The customer's assemblies were manufactured with a no-clean rosin based solder paste (ROL0) and were cleaned with an isopropyl alcohol (IPA) wash. After cleaning, a white residue was sometimes found in areas with high paste concentrations and was interfering with the adhesion of the conformal coating (Figure 1). For conformal coatings to adhere properly, the printed circuit board (PCB) surface must be clean of fluxes and other residues. In addition, ionic contamination left by flux residues can lead to corrosion and dendrite growth, two common causes of electronic opens and shorts. Other residues can lead to unwanted impedance and physical interference with moving parts....

Publisher: ACI Technologies, Inc.

ACI Technologies, Inc.

ACI, an authorized IPC Training Center operating the National Electronics Manufacturing Center of Excellence providing analytical testing, manufacturing and repair services to the electronics industry.

Philadelphia, Pennsylvania, USA

Consultant / Service Provider, Standards Setting / Certification, Training Provider

Lubrication Grease Selection Guide

Mar 08, 2020 | Mike Sondalini

Lubrication Grease, use the right one for the job. Insight into lubrication classification. selection and application of greases. Compare the properties of greases and check those used in your equipment that are suited to the service....

Publisher: Business Industrial Network

Business Industrial Network

Offers training software, simulators, and videos. Also, on-site training qualifies for CEUs for maintenance, engineering, and management professionals.

Las Vegas, Nevada, USA

Consultant / Service Provider, Distributor, Media / Publisher / Online Resource, Research Institute / Laboratory / School, Training Provider

Maintenance Policies and Procedures

Mar 08, 2020 | Larry Bush

A sample for Larry Bush's Maintenance Policies and Procedures - 2nd Edition (A 415-page book in PDF format. Those who purchase also receive 150 support files in editable format to customize and use as samples and templates.)...

Publisher: Business Industrial Network

Business Industrial Network

Offers training software, simulators, and videos. Also, on-site training qualifies for CEUs for maintenance, engineering, and management professionals.

Las Vegas, Nevada, USA

Consultant / Service Provider, Distributor, Media / Publisher / Online Resource, Research Institute / Laboratory / School, Training Provider

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