Electronics Forum | Mon May 06 21:39:46 EDT 2002 | Yannick
Hi, I would like to know if someone is using a immersion AG for their board and if this plating modify the property of the solder paste? do I need to make changes on my temperature profile? We want to change from HASL to Immersion AG to mount
Electronics Forum | Tue May 07 10:50:18 EDT 2002 | Brian C
Looking for some direction from you folks in regards to finding water jet (or similar) depanelizers. Currently, we have the pizza cutter style depanelizers (which work fine) however some issues are coming up concering fracturing of ceramic chip cap
Electronics Forum | Thu May 09 16:04:07 EDT 2002 | stownsend
The lighter the component, the more likely it is to stick to the solder on the bottom reflow side. All boards I have worked with, the descrete components (R's and C's) are placed first (bottom side), reflowed, then the active components (IC's) are pl
Electronics Forum | Mon May 27 18:25:03 EDT 2002 | Carol Stirling
Thanks for the information Reworkman, We are leaning to the theory of better safe than sorry. I think I'd supply the bags and dessicant just to eliminate manufacturing issues. What temps & times do you ask your boardhouse to bake to? Ours said some
Electronics Forum | Fri May 17 14:23:34 EDT 2002 | dason_c
I will convinced to change to the no clean process by environmental safe even though clean process is water soluble but it still produce the waste. Also, the BGA is not recommend to clean, if the flux is not completed removed from the board and elec
Electronics Forum | Sat Jun 15 08:28:51 EDT 2002 | Daan Terstegge
I'm sure that Ken has commercial goals, but after reading his whitepaper I'm sure that many manufacturers could benefit from it. It's just to easy for a management to save costs on feeders, without really having an idea of how it affects the amount
Electronics Forum | Wed Feb 05 08:20:14 EST 2003 | mbroadway
I'm new to the smt game. I'm trying to learn the basics of stencil design. I've just been tasked with removing and replacing a couple of mictor connectors. I need to find/design stencils for the solder paste. These boards are proprietary, and we don'
Electronics Forum | Tue Jun 04 18:07:26 EDT 2002 | peterson
Well-said, lad. I strongly concur. It is not too late for US OEM and EMS companies. We have to retool and rethink the way we do business. If we do, we can still succeed, though I doubt we will ever see the numbers that we saw during the 1997-2000 boo
Electronics Forum | Mon Jun 03 22:16:49 EDT 2002 | alex_kirichenko
Hi Jim! Just an idea.... There are some reflow ovens which use cooling on the bottom side of pcb during reflow for doublesided boards. It prevents solder on the bottom side to melt. You might try cooling your BGA while reflowing parts on opposit s
Electronics Forum | Tue May 28 18:51:11 EDT 2002 | peterson
Hi Jim, Great to have a connector person on-board. Working with backplanes as I do, an expert in the field is always welcome! My question is: How do you feel about connector "removal" tools? Are they worth the money? How would you remove a...8X25 VHD
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