Electronics Forum | Thu Oct 23 23:38:48 EDT 2008 | pathakvj
We have 8 layer HASL PCB. We saw molten solder blobs / balls on op side of assembled PCB. (to check, if this was a bare board problem), We passed bare board as received thru, SMT reflow oven and saw solder balls on top side of board. What could be th
Electronics Forum | Sun Jun 21 22:54:04 EDT 2020 | spoiltforchoice
There's often a US company on eBay called firstplacemachinery , username starbillias. List all sorts of old SMT and currently that incudes a sapphire and this statement "We also have a Philips Eclipse and Orion if interested." No idea what they are l
Electronics Forum | Fri Oct 01 16:17:10 EDT 1999 | Dave F
| I am currently in the middle of a company wide war and I'm looking for data (AMMO). Here are the problems: | | 1) I am looking for anyone who has done or seen any reports on Thermal Shock to smt parts and/or via holes caused by Soldering Irons at
Electronics Forum | Fri Apr 13 12:37:35 EDT 2001 | edylc
>>> gold finger was covered by a Kapton tape and it was done offline away from the Screen printer or rather from the SMT lines itself, we are using an ENIG Pcb's , the process doesnt need a wave soldering ....however at the final end of the line ,
Electronics Forum | Thu Jun 25 16:13:05 EDT 1998 | Mike McMonagle
I am looking for a little enlightenment with an issue that we have been seeing. We have SMT assemblies with poor solderability on TSOP and mini-QFP type devices. The solder appears to have incomplete reflow and/or grainyness to the joints. Everything
Electronics Forum | Tue Jun 16 22:19:24 EDT 1998 | Ben Salisbury
The company I work for has only 1 SMT line all FUJI 89 vintage, My expierience with the Industry started with this line when it was brought into the company 2 years ago, from day one I've been the Process tech for the line and have learned a great de
Electronics Forum | Wed Dec 10 13:56:26 EST 1997 | Scott R. Cook
| Are there any good books on TPM (Total Preventive Maintenance) ? | I am trying to set up a good maintenance structure/system in my | company to maintain the SMT equipment. Any suggestions will be | appreciated. | Thanks. Try to locate: Introductio
Electronics Forum | Tue Nov 20 04:38:18 EST 2001 | frha
How to implement an easy SPC in the production line? Im looking for relevant characteristics to perform SPC on electronics (e.g. PC-module with motherboard and UPS, power supply's, field bus cards, servo drive systems etc). I understand that compon
Electronics Forum | Wed Nov 21 05:21:39 EST 2001 | frha
Thanks Dave! I agree 100% with you and try not to deceive myself! It is very dangerus to let it be a dam paperwork of must. Good id� to change focus frpm process to product-characteristics!! I will see the benefits and cost savings as well as the t
Electronics Forum | Mon Jul 07 00:33:12 EDT 2003 | praveen
First we have to look in to the current situiation of the SMT line.Is the pick and place machine very old and can not perform consistently. Is the board to be inspected is very dense and have lots of connectors and fine pitch comp.with lots of 0402 c
COT specializes in high quality SMT nozzles and consumables for pick and place machines. We provide special engineering design service of custom nozzles for those unique and odd components.
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