Electronics Forum | Tue Nov 17 15:27:20 EST 1998 | Barry Kauffman
Can someone please tell me where I might find detailed information on the processing of a double-sided flex circuitry design. I am looking for specifics such as methods of fixturing,printing,placing and reflowing.Things to keep in mind when processin
Electronics Forum | Wed May 30 17:21:25 EDT 2007 | troyboesch
Pretty much everybody does functional or system test at the end of a printed board assembly line. In-circuit or MDA test hits most complex boards. But, 3D xray is being pushed by Agilent, Teradyne, and TRI. No fixtures and a high call rate for sol
Electronics Forum | Sat Dec 01 13:44:07 EST 2018 | horchak
Is this across different assemblies or components? HAS the machine been calibrated lately? Are you using an adjustable fixture or dedicated tooling plate? Is it a rotating table and are you using it? Was program generated with CAD data or self taught
Electronics Forum | Mon Jun 15 10:53:27 EDT 1998 | Process Engineer
| can any body help on assembling straddle mount connectors on to a board? for information on the connector - it is a berg micropak connector Automated and/or hand assembly?? Inline/offline configuration. Paste on both sides of connector pads?? Onse
Electronics Forum | Mon Apr 03 02:09:58 EDT 2017 | soldertraining
Restriction of Hazardous Substances (RoHS) bans products that contain a high level of hazardous materials from entering the market like the EU market. If we talk about PCB products - The printed circuit board services – including both conventional an
Electronics Forum | Tue Jun 17 15:52:51 EDT 2003 | russ
Is this a single sided or double sided board? We run the first side flat on the oven belt this keeps the board flat for the second side assembly. If the board warps during the second reflow process we will make a support fixture to carry the PCBA
Electronics Forum | Wed Apr 15 15:04:18 EDT 1998 | D. Lange
| | | | We are having a bridging problem with SOIC 14,16 and 20 pin devices during flow solder of the bottom side of our boards. This bridging occurs about half way up the lead between the board and the body of the IC. The chip parts are no proble
Electronics Forum | Fri Jun 11 01:40:40 EDT 1999 | Gyver
| | | Hello all! | | | Recently we got a problem about the Funtional test. Some boards passed tests by using the auto-fixture(vacuum), but failed by using manual test fixture(need to plug CPU, DIMM etc.). The error symptom is no picture. We doubt it'
Electronics Forum | Fri Jun 11 03:39:26 EDT 1999 | Gyver
| | | | Hello all! | | | | Recently we got a problem about the Funtional test. Some boards passed tests by using the auto-fixture(vacuum), but failed by using manual test fixture(need to plug CPU, DIMM etc.). The error symptom is no picture. We doubt
Electronics Forum | Wed Jun 30 00:20:08 EDT 2010 | leadthree
Thanks for your reply. This production lot is already finished. We produced in 2 lots, first was no-clean (and was ok), 2nd lot was cleaned (aqua based), and I need to look into the cleaning further. Since it's all finished I can't get parts from se
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