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SMTnet Express, October 20, 2022, Subscribers: 24,961, Companies: 11,635, Users: 27,509

█  Electronics Manufacturing Technical Articles

Cleaning No-Clean Fluxes Prior to Conformal Coating

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 ...

Credits: ACI Technologies, Inc.

Setting Up a Conformal Coating Facility

The set up of a turnkey conformal coating production line or facility, whether it is a batch or inline process, has many similar characteristics. Whether the coating application is based around a high volume selective coating robot, a batch dip coating system or a spray booth, the process requirements tend to be the same. This bulletin reviews ...

Credits: SCH Technologies

Conformal Coating over No Clean Flux Residues

As the proliferation of modern day electronics continues to drive miniaturization and functionality, electronic designers/assemblers face the issue of environmental exposure and uncommon applications never previously contemplated. This reality, coupled with the goal of reducing the environmental and health implications of the production and disposal of these devices ...

Credits: AIM Solder

Coating Application Methods

Conformal coatings are applied to Printed Circuit Board Assemblies(PCBAs) using a variety of different methods. There are six main methods of applying conformal coatings: manual spraying, automated spraying, dipping, brushing, selective coating, and vacuum deposition.

Credit: ACI Technologies, Inc.

Conformal Coating Process Characterization Considerations

Conformal coating is an enabling process that allows for the ruggedizing of electronic devices and modules. As the process increases the durability of electronics that are subjected to various end-use environmental conditions, it adds value to the product. While it does add value, consumers and manufacturers expect the electronics to work when subjected to dirt, humidity, moisture, corrosive materials, and various other contaminants. This expectation results in a drive to minimize the cost of the process. The lowest cost of ownership for a conformal coating process occurs by utilizing automated selective conformal coating equipment.

Credit: ASYMTEK Products | Nordson Electronics Solutions

Conformal Coating Thickness Measurement

The measurement of the conformal coating thickness on a printed circuit board (PCB) to ensure internal and international standards are met is now a critical factor in conformal coating process control. There are several methods for measurement of conformal coating thickness and they fall into two categories. These categories are wet film measurements applied during coating application and dry film measurements made after the coating is dried enough not to damage the coating.

Credit: SCH Technologies

Thermal Curing of Conformal Coatings

When it comes to the application of conformal coating, curing the coating plays a key role in the circuit assembly and selective conformal coating process. Curing conformal coating occurs after the coating spray/dispense process is complete. The coating is considered "cured" when the conformal coating on the circuit assembly is sufficiently tack-free to be handled. Curing can sometimes be accomplished at room temperature but takes a considerable amount of time to dry. Accelerated conformal coating curing decreases this drying period, the cure process reaches either the tack-free or a fully dried state but not quite having fully cured properties. Accelerated curing techniques include one or a combination of heat, moisture, UV light, and chemical reaction curing. This article focuses primarily on thermal or heat curing.

Credit: ETS - Energy Technology Systems, Inc.

SEE Forum results for related keywords - conformal coating: 1057

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█  Printed Circuit Board Assembly & PCB Design Forum

modifying old camalot 1414 -- Has anyone here experience with re-purposing a Camalot dispenser (dos based 90's vintage)? It is a really robust and accurate gantry, would like to create programs to raise and lower a spindle mounted to the head - the 1414 I have has fudicial camera as well so accuracy will be pretty good.

Views: 365

Glass BGA -- IPC states chips and cracks in glass body are defective if beyond specifications. Chips or cracks in glass body beyond the part specification, see Figure 9-18. Cracked or damaged glass bead beyond part specification (not shown). On some glass BGA components I can not find a specification on the data sheet. What is the risk with these if they have minor cracks or chips on the corners?

Views: 412

SEARCH the PCB Assembly Forum VISIT the PCB Assembly Forum...

█  SMT, PCB Electronics Assembly Manufacturing News

I.C.T Selective Wave Soldering Machine

I.C.T Selective wave soldering is a special form of wave soldering invented to meet the development requirements of through-hole components soldering. It is mainly suitable for the soldering of through-hole components in high-end electronic products. For example: military electronic products, automotive electronics, switching power supply products and other industries which require higher soldering reliability....

Dongguan Intercontinental Technology Co., Ltd.

I.C.T. - Selective Wave Soldering Machine

CHIPS Act Implementation Requires Strong Focus on "Advanced Packaging," Industry Leaders Say

Ever-more complex packaging of chips will be the key driver of future innovation, yet the United States and Europe are behind the curve...

Association Connecting Electronics Industries (IPC)

VAS Engineering Selects New Nordson Assure FLEX E Component Counter

Nordson TEST & INSPECTION, a division of the Nordson Corporation (Nasdaq: NDSN), announced that VAS Engineering has successfully installed an Assure FLEX Component Counter and has seamlessly integrated it into their inventory management process. VAS Engineering has provided San Diego with quality contract manufacturing services for the electronics industry since 1987....

Nordson Corporation

VAS Engineering - Nordson Assure FLEX E Component Counter

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█  SMT / PCB Products & Services



DS Series Dispensers for Large Boards


GPD Global


ICT PCBA Conformal Coating Machine

Coating Equipment


Selective Soldering

Pillarhouse Jade Handex

Selective Soldering

Pillarhouse USA


MS-11e High Speed In-Line SPI System








Heler dual lane Reflow Oven



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█  Electronics Manufacturing & Assembly Events Calendar


SMTA International Conference and Exposition | October 31 to November 3



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█  Electronics Manufacturing Training Courses & PCB Assembly Training


IPC Certification

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PCB Design

Electronics Assembly

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Online Training


Blackfox - Online IPC Training & Certification - Now open for limited in-person training

 EPTAC - Your 2021 IPC Training Schedule

TRAINING - Electronics Manufacturing and PCB Assembly Training Courses

Component Identification Online Live Certification

New Hampshire, Manchester

Oct. 28, 2022

EPTAC Corporation

IDEA-STD-1010 Essentials For Counterfeit Component Identification Online Live

New Hampshire, Manchester

Nov. 21 to Nov. 22, 2022

EPTAC Corporation

Counterfeit Components Workshop Online Live Training

New Hampshire, Manchester

Nov. 23, 2022

EPTAC Corporation

TRAINING - PCB Inspection Electronics Manufacturing Training Courses

610 Interactive Inspection Lab

California, Anaheim

Dec. 09, 2022

EPTAC Corporation

TRAINING - PCB Rework and Hand Soldering Training Courses

Customizable Basic Hand Soldering

Arizona, Phoenix | Nov. 21 to Nov. 23, 2022

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Colorado, Longmont | Dec. 29 to Dec. 30, 2022

Blackfox Training Institute, LLC

Hand Solder Rev 8 Certification Course

California, Anaheim

Nov. 28 to Dec. 02, 2022

EPTAC Corporation

TRAINING - Online Electronics Manufacturing and Assembly Training Courses

IPC J-STD-001 Trainer (CIT) Certification Online Live Training Course


EPTAC Corporation

Live Online Training - IPC/WHMA-A-620 Expert (CSE) Certification Training Course


ACI Technologies, Inc.

Live Online Training - IPC/WHMA-A-620 Trainer (CIT) Certification Training Course


ACI Technologies, Inc.

Live Online Training - IPC-A-610 (CIT) Recert.


ACI Technologies, Inc.

Reflow Soldering 101 Training Course


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█  Electronics Manufacturing & PCB Assembly Jobs

CAREER CENTER - Job Needs & Wants

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Williamsport, Pennsylvania, USA


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Lockport, Illinois, USA

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Brookings, South Dakota, USA

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Posiition: Engineering

Currrent Location: Jamui, India

Summary of Qualifications: Rank 1st Diploma Of Engineering In Electronics Engineering In 2022. Four weeks in-plant training at Patna.

Posiition: Quality Control

Currrent Location: Jamui, India

Summary of Qualifications: Rank 1st Diploma Of Engineering In Electronics Engineering In 2022. In-plant training at Patna.

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█  PCB Design & Assembly Industry Associations


Surface Mount Technology Association (SMTA)

SMTA is a non-profit international association of companies and individuals (totalling 4,000) involved in all aspects of advanced electronics assembly, surface mount and related technologies.

Membership Info | SMTA Certification | Bookstore | Upcoming Events

IPC Logo

Association Connecting Electronics Industries (IPC)

IPC is a US-based trade association dedicated to the competitive excellence and financial success of its nearly 2,600 member companies which represent all facets of the electronic interconnection industry, including design, printed wiring board manufacturing and electronics assembly.

Membership Info | Training & Certification | Online Store | Upcoming Events

Editor - Dave "davef" Fish (submit your technical articles), 98 Elm Street, Portland, Maine 04101 USA, Tel.207-780-0887.

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