Electronics Forum: stain on pcb after reflow (36)

caps have yellow stain after wash

Electronics Forum | Wed Jun 15 10:38:41 EDT 2016 | laynefelix

Hi everyone..i am new here. I am hardware design engineer and as per my experience PCBAs came out cold soldered after being reflowed the first time with ALPHA WS-820. The flux gel ALPHA WS 609 was supposed to be applied only onto the terminations of

solder balls on pcb

Electronics Forum | Fri Oct 24 06:55:48 EDT 2008 | clampron

Good Morning WS, If you experieced the solder balls after reflow of a bare board through the oven, then the source of the solder is either the oven or the board. I have had boards with untented via's that were HASL'd that had entrapped solder and fl

Industry News: stain on pcb after reflow (4)

SMTA Capital Chapter Presents “Enabling Implementation of Advanced Technologies” Tutorial Program on June 9th at ZESTRON Americas

Industry News | 2015-05-18 21:19:33.0

The SMTA Capital Chapter is pleased to announce it will welcome Denis Barbini, Universal Instruments Corporation, on June 9th to instruct a tutorial on Advanced SMT Technologies at ZESTRON Americas located at 11285 Assett Loop, Manassas, VA 20109. The tutorial is scheduled from 9:00 am to 4:30 pm and includes lunch. The following should attend: quality engineers, failure analysis engineers, reliability engineers, procurement specialists, design engineers, process engineers, project managers. Registration is required for this learning event.

Surface Mount Technology Association (SMTA)

Archive Webinar Recordings on Soldering, PCB Assembly & Inspection

Industry News | 2017-03-06 05:25:35.0

Many of the webinars we present every month are available from our online archive. The video recordings and a copy of the slides can be provided for you or why not organise an education session with members of your team in a conference room so you can also discuss the subject after the session to implement your process improvements

ASKbobwillis.com

Parts & Supplies: stain on pcb after reflow (2)

Juki How to choose a second-hand placement machine on SMT?

Juki How to choose a second-hand placement machine on SMT?

Parts & Supplies | Pick and Place/Feeders

Many companies first applied SMT second-hand placement machines, and the selected placement machines were relatively stable, with low failure rate, easy maintenance, and important maintenance costs. Therefore, there are still many concerns about buyi

ZK Electronic Technology Co., Limited

Juki How to choose a second-hand placement machine on SMT?

Juki How to choose a second-hand placement machine on SMT?

Parts & Supplies | Pick and Place/Feeders

Many companies first applied SMT second-hand placement machines, and the selected placement machines were relatively stable, with low failure rate, easy maintenance, and important maintenance costs. Therefore, there are still many concerns about buyi

ZK Electronic Technology Co., Limited

Videos: stain on pcb after reflow (7)

Flux spray coating on PCB with DispenseJet DJ-2200

Flux spray coating on PCB with DispenseJet DJ-2200

Videos

Flux spray coating on a PCB with uniformal thickness down to 5 microns, with clear edge definition and minimal overspray. Can coat large or shoot dots with the same jet.

ASYMTEK Products | Nordson Electronics Solutions

I.C.T | AOI Optical Inspection Machine For SMT Components and DIP Solder Joint

I.C.T | AOI Optical Inspection Machine For SMT Components and DIP Solder Joint

Videos

I.C.T Provide SMT Production Line solutions with Automated Optical Inspection (AOI) AOI is short for Automated Optical Inspection, which is widely used in the electronics industry to check the appearance of PCBA assembly at the back end of the cir

Dongguan Intercontinental Technology Co., Ltd.

Express Newsletter: stain on pcb after reflow (1017)

Effects of reflow profile and thermal conditioning on intermetallic compound thickness for SnAgCu soldered joints.

Effects of reflow profile and thermal conditioning on intermetallic compound thickness for SnAgCu soldered joints. Effects of reflow profile and thermal conditioning on intermetallic compound thickness for SnAgCu soldered joints. The purpose

Partner Websites: stain on pcb after reflow (3166)

Vacuum Reflow Processing On Solder Joint Voiding

Heller Industries Inc. | https://hellerindustries.com/wp-content/uploads/2022/04/Vacuum-Void-Reduction-Reflow-1.pdf

Vacuum Reflow Processing On Solder Joint Voiding To be published in the Proceedings of SMTA International, September 17 - 21, 2016, Rosemont, IL

Heller Industries Inc.

Professional PCB SMT Reflow Oven

| https://www.smtfactory.com/Professional-PCB-SMT-Reflow-Oven-pd42739734.html

: Leading SMT Supplier in China; Trade assurance to USD 560,000+; Professional after-sales service team. Reliability SMT LED Reflow Oven 8 hot zones lead free SMT reflow oven, PCB oven, SMD reflow oven, reflow soldering machine for printed circuit board and LED assembly, semiconductor packaging and many other applications


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