Electronics Forum | Thu Dec 16 20:55:09 EST 1999 | TNT
Hey Henry, Tombstoning can result from many different conditions: 1. Look at the part placement under a microscope before the board has been reflowed. Is it centered perfectly on the pads? If not, the part might migrate towards one pad during reflow
Electronics Forum | Mon Nov 01 22:16:04 EST 1999 | Dean
Without a detailed description of the suspect parts It is difficult to pin-point the exact solution to your process problem. However, whenever possible avoid non-value added additions to your current process. Here is the reality of the situation:
Electronics Forum | Mon Sep 20 17:46:21 EDT 1999 | Dave F
| I've had some trouble pasting a test board for a MicroBGA trial. Most of the paste remains in the stencil apertures. | The stencil is 6 mil thick, laser cut and electo-polished. | The apertures are 12 mil in diameter with 20 mil pitch. | We are usi
Electronics Forum | Mon Sep 20 14:06:02 EDT 1999 | Claude Couture
| Can anyone help with programming a D^2 Pak on a Panasert MV100. I'm having trouble setting up the parts data and teach the component. What should the Up, Down, Left, Right, Component Code, Lead Details, and Cut Lead Settings be? | A link to the pac
Electronics Forum | Thu Aug 05 13:23:10 EDT 1999 | JS
| I am currently in the process of setting up an SMD Parts Package Database. The database will contain dimensional information to be used by the placement machinery to process parts (I.E Package Type, # of Leads, Lead dimensions, Lead pitch(s), etc.
Electronics Forum | Thu May 06 09:15:51 EDT 1999 | Haitham Sakr
1. PCB boards coated with photoresist both Single & Double sided baords especially the double one with dimensions of 1 m square or 1/2 m square with a life guarntee not less than 3 years. > 2. Photoresist spray bottles of 200ml or more. > 3. Solder &
Electronics Forum | Thu May 06 14:22:00 EDT 1999 | Dave F
1. PCB boards coated with photoresist both Single & Double sided baords especially the double one with dimensions of 1 m square or 1/2 m square with a life guarntee not less than 3 years. | > 2. Photoresist spray bottles of 200ml or more. | > 3. Sold
Electronics Forum | Thu May 06 09:10:44 EDT 1999 | Haitham Sakr
1. PCB boards coated with photoresist both Single & Double sided baords especially the double one with dimensions of 1 m square or 1/2 m square with a life guarntee not less than 3 years. > 2. Photoresist spray bottles of 200ml or more. > 3. Solder &
Electronics Forum | Tue Apr 27 12:04:44 EDT 1999 | Bob
I hope I'm not too late with some help for you. I have purchased stainless steel wire cleaning baskets for a vapor degreaser from: Cooley Wire Products 5025 North River Road Schiller Park, IL 60176 847-678-8585 fax 847-678-8612 They do a very nice
Electronics Forum | Fri Feb 12 08:56:57 EST 1999 | Stefan Witte
You'll have to have a special nozzle made in order to pick the header from the feeder. The nozzle should pick the part throught the pins on the plastic body. I had once a nozzle made for the same application and placed the parts without any further a
.gif)
