Electronics Forum | Mon Apr 23 09:37:20 EDT 2007 | davepick
Assuming you are going to build using a Leaded part on a Lead Free Process - beware of Weak Joints. I saw this at a large Multinational company - They had secondary reflow on a Top Side QFP when the PCB went over the wave. We did pull strength tests
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 | Tue Aug 28 08:28:30 EDT 2012 | rgduval
We agree with all of the previous comments, and would add the following: Warpage is generally caused by excess moisture in the raw boards. Have you tried baking the boards prior to assembly? We had this issue on a simple 4-layer board, and found t
Electronics Forum | Wed Jun 04 21:11:11 EDT 2014 | isd_jwendell
This style gave me grief as well. The problem is the way the part is manufactured leading to an unusual pad configuration. When the part is placed on the PCB there is no pad wrap under the part, the pad is 90 degrees to the board. The datasheet shows
Electronics Forum | Tue Feb 16 13:57:50 EST 1999 | Ron Beasley
| | I have a recent design (1 component side only) that calls for 2 surface mounted antenna's (brass plated) to be mounted on a PCB. The problem arises when the PCB is 18x11.25 and has 15 to 20 PCB's in the pallet (IE weight, fixturing to hold the a
Electronics Forum | Wed Dec 26 07:55:27 EST 2018 | mermarinc
Last month, I had worked with California based PCB manufacturer and it was a great experience. They offer a complete solution for contract manufacturing services from PCB Fabrication, PCB Assembly, Cable harnessing and more for quick-turn and standar
Electronics Forum | Sat Mar 14 18:43:02 EDT 2020 | SMTA-Steven
Colin, Are you looking for PCBAs (assembled PCBs with components on them) or bare PCB boards? Is there something that drives the requirement that they be specifically be made in Mexico? Steven
Electronics Forum | Thu Mar 12 23:10:12 EDT 2020 | colinbenton
I need some PCB orders be assembled in Mexico, with both prototype and large orders. I've learnt that most of the fabs are located in Guadalajara,I found some in SMTNET, and emailed to them with no reply . Can anyone recommend some reliable assembl
Electronics Forum | Thu Jun 25 22:34:44 EDT 2020 | daisy_mu
Hello I am working in a PCB assembly company, we are located in Guanajuato, Mexico. We have an SMT line and assembly. We are Katolec de Guanajuato, you can see the information at https://www.katolec.com/ or you can send an email to marcelo-higa@kato
Electronics Forum | Thu Jun 25 22:35:26 EDT 2020 | daisy_mu
Hello I am working in a PCB assembly company, we are located in Guanajuato, Mexico. We have an SMT line and assembly. We are Katolec de Guanajuato, you can see the information at https://www.katolec.com/ or you can send an email to marcelo-higa@kato
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