Electronics Forum | Mon Jul 02 20:13:41 EDT 2001 | davef
We agree with Wolfgang. Adding points along his line of reasoning: * Also consider placed component prescience. Sometimes, a mis-pick results in paste on the nozzle, which leads to the next component being stuck on the nozzle and not placed, which
Electronics Forum | Wed Jul 04 12:56:02 EDT 2001 | davef
First the platitudes: "Recommendations for your a good feeder maintenance program include the following: 1. Talk to the equipment manufacturer of your P&P equipment. Find out if they have any feeder calibration tools. Most of them do. Some even off
Electronics Forum | Mon Jul 30 02:01:15 EDT 2001 | mugen
Hey....sneaky smartie here.... my finance manager, would love to have you on the MRB team.... Anyway, most technical paste specs, do highlight the possibility, should the paste become "dry" or "sticky", we MAY recondition the paste, by "place it fro
Electronics Forum | Wed Aug 01 11:03:20 EDT 2001 | Chip Gill
I read your request for design information on panel layout for V-scoring, and felt the need to respond. Scored PWB's are indeed more efficient to produce and depanel than tab routed PWB's, but there are also drawbacks associated with this method. T
Electronics Forum | Mon Jul 30 12:14:00 EDT 2001 | hinerman
1. The grid-lok technology affords itself the flexibility to come in a variety of heights. The list of machines given are customers we are working with currently. Please contact me offline at jhinerman@ovationproducts.net if you have a specific app
Electronics Forum | Sat Aug 18 23:40:22 EDT 2001 | CAL
We at ACI have both endoscopes and xray. We have used the ERSA Scope often and it is a great machine, but the cost is hard to justify the ROI.The ERSA Scope is in the $28K to $32K range. I had a chance to see OC Whites Endoscope and it was cool.Pric
Electronics Forum | Tue Feb 01 07:50:25 EST 2000 | Jason Bentley
This all depends on the mixture of your solder. If you are using water soluable flux then it will get clean. But not alcohol based flux. As for using the ultrasonic this might be a problem I personally have never heard of someone washing a board in a
Electronics Forum | Sat Feb 05 21:58:08 EST 2000 | Stu Leech
I agree with all of the previous comments. 1) Here are a few things to keep in mind when cleaning with water. To effectively clean, any liquid must wet the surface. By itself, water has a surface tension of 70 dynes/square cm. This is relaively hig
Electronics Forum | Mon Jan 31 14:08:26 EST 2000 | Ashok Dhawan
I have got a number of assemblies back from a customer with feedback that the solder fillet is less than 25% of chip height per IPC-Standard-610B Class 2. Most of my joints are having good wetting but fillet height does not meet min ht requirement of
Electronics Forum | Thu Jan 13 14:16:32 EST 2000 | mike d
Michael, Good afternoon. My experience with the frameless stencils has been less than optimal. I tried the universal stencil system about a year ago and these are my experiences. 1) The stencil manufacturer supplied me with a free frame to try ou
