Electronics Forum: interconnect (Page 8 of 16)

SOT23 jumping off pads when reflowing

Electronics Forum | Tue Sep 16 23:58:03 EDT 2003 | iman

interesting! I recently invested a small personal fortune into books nad other related literature to boost my understanding the scientific properties of materials used in electronics and interconnection packages. One area( one of many areas) of p

Solder Paste & RF products

Electronics Forum | Wed Nov 12 08:35:16 EST 2003 | davef

2% should have no effect [recognizing that some RF deign implementations are squirrellyand they don't count]. We still use 2% dating back to the old days when the gray beards [at that time] felt that the silver improved skin effect [a tendency for a

Hair Line Solder Short at PTH Connector

Electronics Forum | Sat Apr 16 13:43:53 EDT 2005 | KEN

What about electo migration? I had (what apears to be) the exact same problem you describe. X-ray and ICT fails to detect micro shorts. However, in our test, the bench functional test would show a current overload. In some cases the electro migrti

Lead Free and Leaded Process Mix

Electronics Forum | Tue Jul 19 06:33:56 EDT 2005 | Rob

Hi GS, Thanks for responding - looks like we already put end termination coating on the label - we just call it "second level interconnect" There is a specimen label at: http://www.anglia.com/quality/labels.pdf Regarding standardising labels accr

Double sided design

Electronics Forum | Thu Aug 25 10:32:03 EDT 2005 | davef

IPC-2221A, Generic Standard on Printed Board Design, the base document that covers all generic requirements for printed board design, regardless of materials. From there, the designer can choose the appropriate sectional standard for a specific techn

Inner Layer Separation from Barrel Wall - Too Much Heat?

Electronics Forum | Thu Nov 17 20:23:55 EST 2005 | davef

We're with your customer. We believe inner layer separation is not linked to a heating excursion. What you are seeing is separation between the hole wall and the copper plating in the barrel of the hole on an unstressed PTH. Although, it's possibl

Electronics industry has already greatly reduced lead use

Electronics Forum | Fri Mar 24 13:35:53 EST 2006 | bvdb

If one considers that a computer used to fill a good sized room and now can sit in/on your hand I would say that the electronics industry has already greatly reduced the use of lead. Microelectronics keeps getting smaller with fewer interconnects

SMT Assembly Line

Electronics Forum | Sun May 28 10:35:08 EDT 2006 | mika

Mr/Mrs/Ms SMT Guru Consultant Expert "Bahodium (TM) Solder: The new alloy that WCS has successfully mined. 100% RoHS compliant and the strongest, most reliable interconnect in the industry." Say what???!! I don't understand this att all! Haha, may

Dispensible Conductor Material for Bare Board Rework

Electronics Forum | Mon Jan 22 11:50:07 EST 2007 | BWET

Can anyone recommend a material which can be used an a bare board: 1. Dispensed via a syringe 2. Mimmic the electrical characteristics of a trace 3. Be processed such that they do not reflow with the solder interconnect 4. Be processed such that the

Who's heard about

Electronics Forum | Fri Aug 03 10:23:30 EDT 2007 | stepheniii

I meant have the board shop build the boards. I'm not talking assmebly. With the Occam process it would be like waiting untill you have all the other parts then phoneing the board shop and then ordering your raw pcbs. The interconnects have to be


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