Electronics Forum: off (Page 121 of 542)

Solder balls defects

Electronics Forum | Tue Aug 14 09:39:31 EDT 2018 | stephendo

Every place I have ever worked has taped off the gold fingers. Maybe not the first run but within a few runs.

sOLDER PASTE NOT COMING OFF SQUEEGEE

Electronics Forum | Fri Oct 05 14:17:57 EDT 2018 | waveroom

i HAVE A CUSTOMER WHO IS USING A WATER SOLUBLE LEAD FREE SOLDER PASTE AND IT IS ADHERING TO THE SQUEEGEE. ANY IDEAS HOW TO SOLVE THIS ISSUE WOULD HELP.

sOLDER PASTE NOT COMING OFF SQUEEGEE

Electronics Forum | Mon Oct 08 08:35:16 EDT 2018 | cyber_wolf

The stuff Dave mentioned are the fundamentals. If the items he listed are satisfactory then you need to start questioning the manufacturer. From my experience if it wasn't sticking before and now it is, then it is a formulation issue. Paste stickin

sOLDER PASTE NOT COMING OFF SQUEEGEE

Electronics Forum | Mon Oct 08 14:52:13 EDT 2018 | emeto

+paste was not stored properly Paste doesn't have enough flux and is more sticky than usual. Could be a lot code related or a purchase order related. I wold order a new jar and try immediately.

sOLDER PASTE NOT COMING OFF SQUEEGEE

Electronics Forum | Wed Oct 10 07:26:18 EDT 2018 | cyber_wolf

I do not agree with that. Stainless is typically used and it works fine. We run many different paste types, RMA, no clean, WS, PB, Pb Free. No sticking issues. You can spend the extra money and buy coated blades but it is not necessary for most ap

sOLDER PASTE NOT COMING OFF SQUEEGEE

Electronics Forum | Fri Dec 14 23:10:05 EST 2018 | jandon

High quality coated blades are easier to clean but has zero affect to solder paste sticking.

Older AOI Inspection Systems

Electronics Forum | Wed Oct 17 15:07:54 EDT 2018 | comatose

I have one of those collecting dust in storage (well, the tray loaded version). I didn't find it to be a useful system. But if you want to buy it off of me, where are you located? We're in Ohio.

Quad IV-c with really dark camera

Electronics Forum | Tue Oct 09 13:15:27 EDT 2018 | dleeper

Bob Wasn't there a MOD code or Function code that controlled default light brightness? My memory is fuzzy on this so I might be completely off base.

dek 265 LT screen printer unable to detect the plate

Electronics Forum | Tue Nov 20 18:56:19 EST 2018 | dekhead

If always on... you will need to write product file as edge justified, and position stencil properly before auto-clamping takes place. If always off... you will need to write product file as center justified... and position stencil and acknowledge st

Kiss selective solder flux

Electronics Forum | Fri Feb 08 10:52:24 EST 2019 | roblackey

BLT 31-41 "No Clean Selective Flux For Aerospace" On a Versaflow 3/45 Atomises well, good hole penetration, good wetting, cleans off well in the solvent cleaner. Use for SN100C, SA0307, and 60/40.


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