Cloudy Solder Joint

We have been having issues where certain boards we are putting through our routine SMT process will have cloudy solder joints. Some are worse than others. Some boards we will not see this issue at all. Any idea on what can be causing it or if it would be anything rejectable to IPC? We seem to see this on ENIG boards more often. We have attempted to clean this in both our Aqueous bath and Vapor Degreaser but they yield the same results. (for some reason I can't attach a photo, here is a link for

Visit SMT Electronics Manufacturing Forums >

Make your company listing and your company website a priority for over 30 k / monthly searches performed at SMTnet.com

See all benefits > 

World Equipment Source / R1 Source, Inc. - World Equipment Source has over 20 years experience in Electronic Assembly Equipment. We will resell your equipment by utilizing our global market of associates.

ASYMTEK Products | Nordson Electronics Solutions - A leader in automated fluid dispensing, jetting, and conformal coating. Products include stand-alone dispensing workstations and fully automated, in-line conveyorized systems with advanced process controls.

Heller 公司 - 全球回流焊市场领导者

Become a Power Member >

TestCompany123456 - Test

it's a test company - This is a brief description on the business. This field is currently blank and could be used to convey messages. It is limited to 230 characters. dafjhkjkhjjjddddhassdlfkjhsadflkjhsdflkjhsdwhich is this many!!!!!!!!!!!

Antony Spares Test - Test

List your company in the Industry Directory > 

Browse listings for new and used smt, pcb assembly equipment for sale and wanted.

Marketplace is sponsored by:

Siemens D1

HongCheng import & Export co.,Ltd

SRT Sierra Summit 1000 BGA Rework

Precision PCB Services, Inc

Panasonic CM602-L NM-EJM8A

AllSurplus

List your SMT & PCB Equipment >

Latest PCB News / EMS News Stories

News Releases are sponsored by:

Offline PCBA Cleaning Machine HJS-7100,rosin flux, non-clean flux,water-soluble flux cleaning machine

HJS Automation International Limited

Semiconductor Spray Cleaning Machine HJS-9700,Semiconductor Wafer Cleaning Machine HJS-9700

HJS Automation International Limited

Pneumatic Stencil Cleaner HJS-9000II,dual chamber stencil cleaning machine

HJS Automation International Limited

Post your Electronics Manufacturing News >

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

Technical Library is sponsored by:

A Review and Analysis of Automatic Optical Inspection and Quality Monitoring Methods in Electronics Industry

Institute of Electrical and Electronics Engineers (IEEE)

FICS-PCB: A Multi-Modal Image Dataset for Automated Printed Circuit Board Visual Inspection

University of Florida

AIM Tech Tip Article: Pretty Slick

AIM Solder

Make a submission to the Technical Library >