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865 expert questions.

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Mar 23, 2023
3D AOI Solder Joint Qualification Parameters
We have a new inline 3D AOI system. One of the options on our system allows checking if ...
J.S.

Mar 22, 2023
Delamination Causing Scrap
We have been experiencing delamination on our printed board assemblies causing scrap. Is there a way to definitively ...
D.H.

Mar 21, 2023
Out-gassing and Cleaning
I have created a series of PCBs with no solder mask. I will be soldering 2 spring pins, ...
S.P.

Mar 20, 2023
Pick Performance for SMT Placement Machines
What rate (%) is considered World Class when it comes to Pick performance for SMT placement machines. Can ...
R.W.

Mar 17, 2023
Is Solder Mask Considered an Insulator
If solder from a PTH lead, on the source side, touches solder mask that is over a copper ...
E.C.

Mar 16, 2023
Partially Visible or Hidden Solder Connections
This issue relates to IPC J-STD-001 section 4.18.3 - Partially Visible or Hidden Solder Connections. The issue primarily ...
M.S.

Mar 15, 2023
Silver Solder for Audio Circuits
We manufacture an audio product. We have been told to use silver solder for all solder connections. Can ...
S.L.

Mar 14, 2023
Gold Plating and Embrittlement
What is your opinion regarding gold plating removal to improve soldering? I believe in the past gold plating ...
M.B.

Mar 13, 2023
Viscosity of Solder Paste Before Printing
What is the general recommended viscosity of solder paste before printing. ...
I.M.

Mar 10, 2023
Point to Point Soldering vs Drag Soldering
Our process engineering department has recently made a change to the soldering method used to solder displays to ...
T.E.

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