Electronics Forum | Fri Feb 27 14:27:54 EST 1998 | David Spilker
| What is the proven industry solder attachment process for installing 240 lead (gull wing) quad flat packages with lead pitch
Electronics Forum | Fri Feb 13 12:56:23 EST 1998 | Scott Cook
| What is the proven industry solder attachment process for installing 240 lead (gull wing) quad flat packages with lead pitch
Electronics Forum | Mon Sep 17 09:44:29 EDT 2001 | gresko
Dave, Ceramic sheets of that size are not always flat and as a result will sometimes crack when clamped along the full edge. Point clamping will hold the substrate secure for placement. If you are not processing in a pallet make sure that you have
Electronics Forum | Fri Mar 22 11:28:13 EST 2002 | sam
I believe you need some sort of "flat top" for this connector. I have ordered special "tops" for connectors we have placed in the past, the top is simply removed before any item is plugged into it. This also protects the connector after the board i
Electronics Forum | Fri Mar 22 13:16:04 EST 2002 | dougt
We place parts like this with a contact systems machine (3Z). The part comes on a reel and has a flat top on it (as mentioned above) that can be removed as soom as it comes out of the oven.
Electronics Forum | Fri May 10 17:45:08 EDT 2002 | davef
Kinda makes ya wonder why ya changed, eh? Some of our 20 pitch HASL boards come-out just as flat as a farm pond. Just got ta letum be. Pete is spot on!!
Electronics Forum | Mon May 20 13:48:43 EDT 2002 | sbuckley
What is the recommended prep for a through-hole glass pack diode? Should a stand-off be used or can it lay flat on surface of the pcb?
Electronics Forum | Tue Jun 04 15:21:20 EDT 2002 | jax
To make it simple: A Feeder protection plate is just a flat piece of metal that hangs over the feeders, inside the machine, and keeps the feeder cover from popping up and crashing the head.
Electronics Forum | Thu Sep 26 12:21:24 EDT 2002 | dragonslayr
What are the specs of a Formica type bench top? Gloss or mottled finish? Should the edge be straight, rolled or bull-nosed? Can I get it in ESD safe composition? Can you recommend a good calibrator of formica?
Electronics Forum | Thu Sep 26 20:26:35 EDT 2002 | davef
I got one, but you don't need one. Coy, eh? Oh, but these measurements need to be soooo precise, don't they?