Electronics Forum | Wed Jun 10 14:48:12 EDT 1998 | Chrys
| | Does anyone have any info./studies on what the percentage or PPM defect rates are for each part of the typical SMT process. | | Example: | | Screen Print = 45% of total defects | | Component Placement = 25% of total defects |
Electronics Forum | Wed Jun 10 13:42:22 EDT 1998 | FRANK
| 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 width mi
Electronics Forum | Tue Jun 09 09:28:57 EDT 1998 | Earl Moon
| | If any one needs a procedure for rework and repair of BGA there is a document on my Web Site to download www.bobwillis.co.uk | | | What methods do people use to dress pads after removing and before replacing the BGA? | | | We use solder wick and
Electronics Forum | Thu Jun 11 09:34:11 EDT 1998 | Mike Moninger
I'm surprised there hasn't been a response to this. This technique has been around for some time, as it was used early on for memory boards and the like. The pins come on a reel with a carrier strip or strips. Machines are available from the manufact
Electronics Forum | Thu May 28 22:02:09 EDT 1998 | Ian Bates
Jerry, I have been using the QP in a Proto and Production environment for about a Year and once the PD is Created(which may take some time) and vision processes. I rarely ever need to make further changes. As far as BGA Pd's. They are a Little
Electronics Forum | Thu May 21 20:18:10 EDT 1998 | Earl Moon
| Y'all: IPC set-up a site addressing the environmental issues of the printed circuit fabrication industry. Some of it is interesting and applicable to the assembly business as well, even though not aimed directly at assemblers. IPC has recently t
Electronics Forum | Sun Jun 07 09:58:12 EDT 1998 | Bob Willis
Dummy pads can work well on through hole parts and are often used in the Far East and on IBM products. If you take a VCR or TV board you will often see this trick being used. Alternativly you can stagger the pads at the trailing edge that works well.
Electronics Forum | Tue May 12 10:20:58 EDT 1998 | Bill Clinton
| I thought this was a forum for equipment only. We were asked to take OUR messages off of the other SMTNet forum. I see many messages concerning process related issues that don't have anything to do about buying, selling or servicing SMT equipment
Electronics Forum | Thu Apr 23 21:11:44 EDT 1998 | Steve Gregory
| One of my customers is looking for something to rid his workbenches of solder fumes. What vendors and technologies are available at reasonable cost? Hi there Jim! You might check with Impell Technologies, it's just a standard exhaust filtering sys
Electronics Forum | Thu Apr 23 20:27:41 EDT 1998 | D.Lange
| | | | I need immediate help temporary, permanent,contract or whatever. Have three quad 3c 100's, one with vision, and one 3-head Mamiya MHP 30B MarkII. Seriously need Extended PM's and regular PM if your PM schedule permits. Need permanent operator
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