Electronics Forum | Fri May 26 14:03:52 EDT 2000 | GP
I have a problem on fine pitch SMT connector reflow. The board size is 18" x 12" with 8 layers FR4 material and emersion gold finishing. All the other components include 0603 on the board are reflow very well, except 20 mil pitch SMT connectors. The
Electronics Forum | Fri May 26 01:50:54 EDT 2000 | Craig
We have no experience in printing glue only in dispencing for short runs. We are finding that our gluing volumes are going up and want to look at screen printing as an option. We are placing 0805 and 1206 chips, melfs, sots and ics. What are the adva
Electronics Forum | Wed May 24 15:40:08 EDT 2000 | A M
I work with a Dek 265 horizon, and i like the machine it`s very good. In this machine i work with Proflow, in the begine i have some problems but now it`s work very nice. It�s more expencive, but the stencil it�s more durable, the machine it`s more c
Electronics Forum | Fri May 26 13:16:53 EDT 2000 | Todd
I have worked with MPM and GSP (fuji) and the DEK. I have had the least problems with the DEK. Kept having software issues with the MPM although I have heard some having good experiences. We used the GSP for the through hole but needed new vaccum
Electronics Forum | Sat May 27 09:45:52 EDT 2000 | Bob Willis
Many thanks for the name check from John Thorup PIHR can be done very simply and it can provide positive fillets on both sides of the board. I have just finished a line with SDSRS, Simultanouse Double Sided Reflow Soldering thats sodering both sides
Electronics Forum | Tue May 23 20:35:03 EDT 2000 | Dave F
Ashok: Our procedure allows connecting a resistor of less than 1 Mohm between the mat and ground, if safety codes and/or other authorities require inclusion of a series resistor (to eliminate the safety hazard of touching a high voltage circuit with
Electronics Forum | Tue May 23 09:21:48 EDT 2000 | Brett W. Philipp
I am a PCB Designer / Mech. Engineer for a telecom company that has just started. What I would like, if possible is a reference copy of the SM-782A IPC spec. or some input on a way to calculate depending on the PLCC part dimensions, land pattern crea
Electronics Forum | Tue May 23 10:42:37 EDT 2000 | Wolfgang Busko
Hi Brett, we like designer who care about pad design, welcome on board. Go to the IPC-homepage under www.ipc.org. There you find the information how to order IPC-documents, you don�t have to be a member to get them. Also you can find an online landp
Electronics Forum | Tue May 23 13:08:54 EDT 2000 | John Thorup
I second Wolfgang. Welcome, It's good to hear from someone who wants to design something we can build. Another useful resource is the land pattern book from SMT Plus www.smtplus.com 831/438-6116 Also useful are the component mechanicals available (fr
Electronics Forum | Tue May 23 15:01:24 EDT 2000 | A. Marques
Hello, I think the problem can be: 1.�- some humidity in the adhesive, 2.�- some bubble of air in the adhesive when you cured the adhesive some humidity will go evaporate and when you make the soldering the same soldering will make a bridge between t
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