Electronics Forum | Tue Jul 28 02:28:48 EDT 1998 | Bob Willis
The causes for solder on gold are: Paste wash offs Dirty stencils Dirty under stencil cleaning cloths/no solvent Poor handling The most common reason is wash offs when there is a couple of balls left on the tabs and they reflow. With correct profile
Electronics Forum | Mon Aug 03 20:10:52 EDT 1998 | Dave Kalen
| | | Recently at the Nepcon show I saw Panasonic KME placing 0201's, must say | | | with my olde eyes it was hard for me to even see the little buggers. Wondering if any of you are placing 0201's? what are the pros & cons, UPH, and what equipment
Electronics Forum | Wed Jun 24 00:33:07 EDT 1998 | Phillip Hunter
| | The Ultraprint blade is fine and so is the PERMALEX BLADE. I'm so steamed right now that I actually advertised for Alpha. Now I'm even more upset! They probably even killed Kenny (those Bastards!!) | | | | | So my salesman says to me that we cou
Electronics Forum | Thu Jun 18 15:04:48 EDT 1998 | smd
| | | We're running into problems with board damage (broken traces, solder shorts) due to pliers and other bizarre tools being used for depanelization. I need some sort of fixture for this. A delrin plate with a slot cut to the correct depth and wid
Electronics Forum | Wed Jun 03 07:13:27 EDT 1998 | Tom Tellinghuisen
| We have experienced poor adhesion of acrylic conformal coating to plastic bodied IC�s. The observed symptoms of this are a blistering or lifting of the coating at the surface of the component, although peel testing has revealed that this is not al
Electronics Forum | Tue Jun 02 17:36:43 EDT 1998 | Chris Fontaine
| | We have experienced poor adhesion of acrylic conformal coating to plastic bodied IC�s. The observed symptoms of this are a blistering or lifting of the coating at the surface of the component, although peel testing has revealed that this is not
Electronics Forum | Sat May 09 11:54:12 EDT 1998 | Bob Willis
All the comments that have been made a great but I do have to say that much of the problem comes back to the design engineers not designing for manufacture. Centre board supports would have sorted the problem without jigs. | | I am running a board t
Electronics Forum | Mon Apr 27 18:47:09 EDT 1998 | Mike Cox
| We dump our water. We only run the wash machine a | total of three hours a day so there's not a ton | of waste there. | | Our cation, annion, and mixed-bed tanks are leased. | Consequently, they must be sent back for what the | vendors call "rege
Electronics Forum | Fri Apr 17 21:34:02 EDT 1998 | D.Lange
| Hello Ya'll, | I've got what may be a silly question, but why does it seem so important to everybody that you have x-ray capability if you're thinking about doing BGA? | I know what most people will tell me; "Steve, that's a pretty silly qu
Electronics Forum | Fri Apr 17 15:06:57 EDT 1998 | Justin Medernach
| Hello Ya'll, | I've got what may be a silly question, but why does it seem so important to everybody that you have x-ray capability if you're thinking about doing BGA? | I know what most people will tell me; "Steve, that's a pretty silly qu
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