Industry News | 2018-12-08 03:29:29.0
SMT Dictionary – Surface Mount Technology Acronym and Abbreviation
Electronics Forum | Mon Jan 24 18:04:46 EST 2005 | Dreamsniper
=130�C as per IPC-4104/21 What will happen if I expose the PWB Assembly with components to a temperature of between 135'C to 152'C, which is above Tg, for 1 hour? Will there be delamination or possible damage to my PWB? What about with the rests of
Electronics Forum | Thu May 06 18:31:29 EDT 2004 | Dreamsniper
"Polymide Films absorb a great deal of moisture. Polymide laminates must be baked at more than 1 hour at 100'C or better for a double sided PWB prior to exposing the laminate to elevated temperatures such as that required for soldering. Moisture abso
Electronics Forum | Thu Apr 21 15:40:05 EDT 2005 | Rob
How many times can I reflow SMT components such as SMT Ceramic Chip Caps (0603 and 0805), Res Caps, TSSOP's, SOIC's Tant Caps etc? Will I have a problem exposing them 4 to 6 times of reflow? Will I damage them? What will go wrong with that process?
Electronics Forum | Wed Aug 17 22:41:37 EDT 2005 | davef
Peter are you having fun with solder masks erwat? We saw this years ago with LPI solder masks. It shows occasionally with other masks. We agree with Russ. If nothing [eg, alcohol, flux thinner, acetonitrile, or water] dissolves the haze, then it
Electronics Forum | Thu Apr 25 18:32:25 EDT 2002 | Shawn
What he is talking about when he said "foil" is the top and bottom side of the board has a layer that is like a ground plane with no solder resist covering it. It is etched out around the pads that no not need a connection and have a small bride or t
Electronics Forum | Fri Jul 30 14:53:01 EDT 1999 | Tom B.
Hello Netters, I have a customer who wants us to aquaeos wash a PCB after all operations have been performed. The PWB is two layer FR4 with a Transformer, a Multichip Module with Conformal Coating, (6) 11" insulated wires that are tinned on exposed
Electronics Forum | Fri Jul 30 17:16:59 EDT 1999 | Dave F
| Hello Netters, | | I have a customer who wants us to aquaeos wash a PCB after all operations have been performed. The PWB is two layer FR4 with a Transformer, a Multichip Module with Conformal Coating, (6) 11" insulated wires that are tinned on e
Electronics Forum | Fri Jul 30 17:24:24 EDT 1999 | Dave F
| | Hello Netters, | | | | I have a customer who wants us to aquaeos wash a PCB after all operations have been performed. The PWB is two layer FR4 with a Transformer, a Multichip Module with Conformal Coating, (6) 11" insulated wires that are tinne
Electronics Forum | Mon Jan 08 18:58:27 EST 2007 | Mike F
Normally someone would have replied to tell you to do a search of the archives. I've read at least 4 or 5 different threads dealing with baking out PWB's, but none were for this special material. First, have you contacted the manufacturer of the PW
