Electronics Forum | Mon Oct 01 16:41:22 EDT 2001 | davef
We do not assemble with these connectors any longer, we replaced them with a connector from somebody er other, like Teka [one of the pioneers of solder-flux bearing lead technology and a supporter to SMTnet], Samtec, Advanced Interconnections, Mill-M
Electronics Forum | Thu Feb 10 10:49:26 EST 2000 | Sal
The connectors are well within thier specification,and are also checked for misaligned and damaged pins , as regards the cross-section results, all holes are correctly aligned and are well spaced within their tolerance of +/-0.005 (a couple of isolat
Electronics Forum | Mon Dec 04 11:14:03 EST 2000 | JimH
All, For what it's worth the only time I have experienced this phenom was when board support pins were misplaced on our chip shooter and these components (previously placed) were resting on the pins and cracking when we populated the other side o
Electronics Forum | Fri Dec 01 00:37:20 EST 2000 | arminski...aka..Dreamsniper
I have a proto-type PCB with a 48-Pin Fine Pitch TSOP (0.5mm pitch) with a dimension of 19mm L x 11.50mm W x 1.10 Thickness. They are at the bottomside of the PCB and I need to wave solder the board. There are 8 of them at the bottom side. Are they o
Electronics Forum | Thu Nov 30 23:48:16 EST 2000 | DL
Dave, Thanks for the input. I cant beleive I didnt think to check the suppliers web site, I feel like an... well anyhow. The leads I'm referring to are place at a 90 degree angle from the edge of the pcb and extend towards the bottom as opposed to
Electronics Forum | Thu Nov 30 13:51:33 EST 2000 | Michael Parker
Thanks for the details. Next question- where is your first time pass rate measured? Is this at test? Do you have inspection gates at the end of each process step? To get to the root cause, you need the earliest detection. Collect attribute data by a
Electronics Forum | Tue Nov 07 08:09:19 EST 2000 | adam
WE are using press fit connnectors on a range of boards, one of which is posing me a few process questions . The Machine is a fully automatic machine. The problem is intermittent and I can't seem to put a finger on it. An array of connectors ( consi
Electronics Forum | Fri Jul 28 14:34:13 EDT 2000 | Gary Simbulan
Belive it or not, these boards were run through a Centech batch mode Vapor Phase machine. Single stage top side IR preheat. Vapor temp 218 C. Solder paste is an SN62 RMA.The boards were FR4 8 layer w/ solder mask, fairly conventional as might be e
Electronics Forum | Fri Jun 16 10:38:33 EDT 2000 | Iain
I have 15 very large backplanes (.156" thick Au plating) that the ground pins of a high density thru-hole connector were not thermal relieved in the artwork. As a result we are unable to solder the 8 pins that connect to the ground plane. We know t
Electronics Forum | Tue Jun 11 14:58:45 EDT 2002 | Chris Lampron
Hello Sean, We are currently using a Pin in Paste process to mount some through hole relays. This particular board has 72 relays per. We have cut the stencil to overprint the hole. By putting a small amount of solder in the hole to flux the lead, th
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