Electronics Forum: not and soldering (Page 1 of 115)

not good soldering

Electronics Forum | Fri Sep 07 16:26:34 EDT 2018 | m_imtiaz

thanks for your input

not good soldering

Electronics Forum | Wed Aug 29 09:32:27 EDT 2018 | m_imtiaz

Dear All We are using structural similar type of connector in A & B product with same set parameter in selective soldering machine but result in B product is not good. Observation – Plating on A product Connector terminal done on all 4 side But In

not good soldering

Electronics Forum | Sun Sep 09 08:38:14 EDT 2018 | devinpcb

I have found the paste flux is the worst. It leaves a black residue that can corrode.

not good soldering

Electronics Forum | Wed Aug 29 12:12:14 EDT 2018 | solderingpro

What type of flux are you using today? - Obviously you have already outlined the difference in the parent materials and parent material preparation, so using the same program/profile will not work; the characteristics are different. Try increasing p

not good soldering

Electronics Forum | Mon Sep 17 12:21:43 EDT 2018 | bpeay

M_, the parts may be similar but the boards look to be different. Is the thermal relief for each lead on each board the same? what is the board finish, HASL, Enig, OSP or other? The part itself may not be your problem but the part that is partial pla

Board change and solder not adhereing completely

Electronics Forum | Fri Apr 06 04:10:25 EDT 2001 | kensmoke

We recently had a multi block panal change at the vendor Now the production lines are producing solderability defects in great number. The makeup of the pcb is a type of fiber glass mask green in color and pads with no tinning just copper lands.

Board change and solder not adhereing completely

Electronics Forum | Fri Apr 06 08:27:09 EDT 2001 | CAL

From what you are saying................If I hear ya correctly - There is no "Proctective" on the Pads (OSP, HASL....) You will be hard pressed soldering to bare copper. This can not be right. My suggestion- go polyimide with electroptical connecti

Board change and solder not adhereing completely

Electronics Forum | Fri Apr 06 08:28:34 EDT 2001 | CAL

From what you are saying................If I hear ya correctly - There is no "Protective" on the Pads (OSP, HASL....) You will be hard pressed soldering to bare copper. This can not be right. My suggestion- go polyamide with electroptical connectio

Board change and solder not adhereing completely

Electronics Forum | Fri Apr 06 08:36:13 EDT 2001 | Cal

Sorry about the double post.........my Vanna White spell check crapped out on the first reply.

Through hole pins not soldering

Electronics Forum | Wed Sep 23 00:06:34 EDT 2020 | SMTA-64387098

I have modules that come with a 4 x 2 pin header. The problem is the pins must be oxidized as they do not take solder (no wetting occurring). This occurs whether solder in our wave soldering machine or soldered by hand. I tried cleaning the module i

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