Electronics Forum: orange peel solder mask defect (13)

Small blister, solder mask

Electronics Forum | Wed Jun 23 13:34:29 EDT 2004 | df_indy

I am four weeks into my new job, there always seems to be some issues here with PCB every week. Today while I was checking some assemblies with micro-scope, I found a lot of tiny bubbles/blisters on the board. They are just little dots if you look

Re: no-clean mask for gold fingers

Electronics Forum | Mon Jan 25 21:43:04 EST 1999 | Dave F

| hi, | i am working towards developing a no-clean process for a customer at contract manufacturing facility. the assemblies have gold fingers on them. these are masked to prevent from any damage to them during reflow soldering. the earlier proces

Industry News: orange peel solder mask defect (2)

IPC Presents Technical Education Course: PCB Troubleshooting Course held in conjunction with PCB Carolina

Industry News | 2016-09-14 17:44:33.0

IPC – Association Connecting Electronics Industries® will present “PCB Troubleshooting” on November 2, 2016 in Raleigh, N.C. in conjunction with regional trade show, PCB Carolina.

Association Connecting Electronics Industries (IPC)

SEHO MWS 2300 Provides Automatic Nozzle Height Adjustment

Industry News | 2021-01-30 07:05:46.0

Most wave soldering systems installed in electronic productions are equipped with one or two solder nozzles that generate a turbulent wave. This configuration is ideal for most products; however, this concept reaches its limitations if, for example, PCBs in masks are to be processed. The reliable wetting of all solder jointsis not guaranteed, depending on the thickness of the mask and the size of the cutouts. Additionally, it might be challenging to achieve a reproducible process if the distances between covered SMD components and the THT pins to be soldered are too small. Sophisticated assemblies that are processed in soldering masks often show soldering defects such as incomplete solder joints or solder bridges.

SEHO Systems GmbH

Express Newsletter: orange peel solder mask defect (997)

Partner Websites: orange peel solder mask defect (8)

Webinars and Webtorials

Surface Mount Technology Association (SMTA) | https://www.smta.org/education/presentations/presentations.cfm

occurrence and the failure mode itself i.e. increase of leakage currents, electrochemical migration and corrosion. The parameters such as solder mask, residues from PCBA assembly process, and PCBA layout and components have an influence on the water layer

Surface Mount Technology Association (SMTA)


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