Electronics Forum | Wed Aug 22 18:51:48 EDT 2001 | stefo
Hi ya'll, We may be getting some business here for a small (2" X 2"),ceramic substrated, double-sided SMT assembly. I've done ceramic substrates with SMT in the past, but not double-sided, and as packed as this thing will be... My question is, can
Electronics Forum | Fri Feb 16 06:47:38 EST 2007 | CL
vshan, We were using pallets (delmat with cavities for the flex) We put stips of double sided Kapton tape in the critical areas. The tape held up to the heat and kept the circuit flat for the QFP's and BGA's. We based our assembly process for this c
Electronics Forum | Mon Nov 29 11:37:51 EST 1999 | cpitarys
Hello Jason, I will look for the best price and service support to start. Also request an in house trial at the vendor. Jason, are you looking to remove a no clean paste or water soluble paste? Single Chamber Equipment: Most stencil cleaners opera
Electronics Forum | Thu Aug 06 09:51:20 EDT 1998 | Bob Willis
This text may be of interest to any one with tin lead spots Guide to Solder Spots - A New Plague in Manufacture ? So what are solder spots ? They appear to be the next big problem in modern reflow assembly in fact in any process that involves solder
Electronics Forum | Wed May 19 08:54:49 EDT 1999 | Wendy Casker
Hello, We have just received a contract to assemble some PCI daughter cards with the AMP Zpak style connectors. I am comfortable pressing connectors into backplanes, even double sided SMT, but would like any advice on designing a fixture to support
Electronics Forum | Wed May 19 14:09:29 EDT 1999 | JohnW
Wendy, I've done this before using a machined piece of FR4 material to hold the board (machined like a DEK plate )in place at the press . It ensures that the boards are alway's in the right place and that none of the components are damaged..also sto
Electronics Forum | Wed May 19 14:58:31 EDT 1999 | Wendy Casker
John, Thanks for the advice. I spoke with some of the connector suppliers apps guys today and they have what is called "European" style tooling which consists of top and bottom tooling. The board sits on rails and the Bottom tooling receives the pi
Electronics Forum | Fri May 21 15:51:49 EDT 1999 | JohnW
Wendy.. I found that little nugget a good one from my connector suppliers..Oh we have a tool to put it in for u..only catch was the one I needed was �37K ! ! after falling off my seat I went for something like what I described blow..cost about �1K.
Electronics Forum | Fri Jun 04 14:00:32 EDT 1999 | Arthur Burdick
Wendy, we at ASG make electric presses for press fit connectors, and have made fixtures for AMP Zpak connectors. give me a call i believe we can help. 561-848-6746 Arthur | Wendy.. | | I found that little nugget a good one from my connector supp
Electronics Forum | Thu May 18 22:00:38 EDT 2000 | Dean
...ahh....memory lane. 10 years ago I worked on a project for a customer who needed a low cost, high volume board for RFID tags for cows (yes, moo). These boards were 0.50 inch in diameter, 50 per panel, double sided SMT punch style fabs. 300,000 b
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