Solder Repair & Rework Resources
It used to be that
repairing a PCB or a circuit assembly was a fairly simple task. Point-to-point wiring or the 2-sided PCBs - some
even with plated-through holes - could be reworked with just a good soldering iron and some solder wick. Removing
a leaded component (remember when resistors had wires sticking out of the ends of them?) was made simpler with a
vacuum desoldering machine, but you could live without it.
Fast forward to 2009. Finding even a single leaded component on a PCB is rare, and even the connectors are surface
mount. In some aspects, surface mount is actually easier to rework and with less chance of delaminating the
substrate layers. However, the small size of many surface mount components - same as small as 0201 (0.02" x 0.01")
- necessitates the use of a microscope and tweezers. Forget have a cup of coffee in the morning because the
magnified shake factor will make work nearly impossible. You will end up knocking nearby components off their
pads. That is another bother of surface mount - the small size requires heating with a hot air gun from above or
beneath, but either way you end up reflowing the solder on surrounding components.
like the ones listed here offer products and/or services to help you cope with this brave new world.
Solder, BGA, SMT
Repair & Rework Books
Solder Repair / Rework Products & Services
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Automating 0201 Rework | circuitsassembly.com/pdf/0304/0304airvac.pdf
Article from Circuits Assembly, by Brian Czaplicki.
Circuit Board Repair and Rework
Guide | circuittechctr.com/guides/guides.shtml
From Circuit Technology Center, Inc.
Chip Quik SMT Rework
Newsletter | chipquik.com/newsletters/cq_new_may_2004.htm
By Marvin Cohen.
Cleaning Flux Residue in Hand
Solder Rework and the Effects on SIR | circuitsassembly.com/cms/content/view/3851/95
From Circuits Assembly, By Curt Alexander.
Component-Level Electronics Repair in Space: Soldering Tested in Reduced Gravity--An Update
the CLEAR Project at NASA Glenn Research Center.
Component Rework: A Small
World and Getting Smaller | circuitsassembly.com/pdf/0301/0301walz.pdf
Article from Circuits Assembly, by Mark J. Walz.
Hand Solder Rework of
and SMT Packages | circuitsassembly.com/cms/content/view/2578/95
Article by Alan Donaldson, in Circuits Assembly online.
Lead Free Rework and Repair of
Ball Grid Arrays (BGAs) | empf.org/empfasis/jan05/lfrework.htm
Article from Empfasis, a publication of the National Electronics
Manufacturing Center of Excellence.
Manual Soldering and Repair | tutorialsweb.com/smt/chapter7.htm
From Tutorials Web.
PCB Manufacturing and Rework Quality | focalspot.com/pdf/WP-FocalSpot-UsTech-Article-July-2005.pdf
New price, performance and value criteria
for X-ray inspection systems, by Doug McClure, FocalSpot, Inc.
Precision PCB Services | pcb-repair.com | 530-534-1738 /
Services, training, and consulting for the assembly, rework, modification and repair of
electronic assemblies. Specialties include BGA rework, BGA re-balling; lead free and manufacturing process
implementation, quality improvement, and defect analysis.
RC Repair and
Modification With Soldering | rcvehicles.about.com/od/rcworkbench/a/soldering.htm
Learn to Solder and Do Your Own RC Repairs. By Michael James.
Rework and Repair | leadfreemagazine.com/pages/vol006/rework_vol6_1.htm
"What adjustments must rework system manufacturers make to their equipment to
respond to the needs of lead-free rework?", by Neil O'Brien, Finetech.
Management & Optimization | solder.net/smtmag.asp
Learning how to manage the amount of time and money spent on rework can increase profitability and
minimize vulnerability that is normally associated with rework.
Reworking Lead-free Solder in PCB Assembly | smt.pennnet.com/Articles/Article_Display.cfm?Section=Articles&Subsection=Display&ARTICLE_ID=178377
Article Surface Mount Technology (SMT), by Dongkai
Reworking Plastic and Other Heat-sensitive Components | smt.pennnet.com/Articles/Article_Display.cfm?Section=Articles&Subsection=Display&ARTICLE_ID=175419
Article from Surface Mount Technology
(SMT), by Bill Scheu.
SMT Package Rework | direct.xilinx.com/bvdocs/whitepapers/wp192.pdf
White paper by Quang (Peter) Nguyen, Xilinx.
SMT Rework | empf.org/empfasis/oct03/703smt.htm
Tech tip from Emphasis.
Soldering 101 | kingbass.com/soldering101.html
A soldering tutorial for the mechanically challenged.
Surface Mount Technology Repair
Station and Method for Repair of Surface Mount Technology Circuit Boards
United States Patent; Inventors: Kolesar, Michael J., Bois, Philip J.; Assignee: Digital Equipment
Corporation (Maynard, MA).
Waste Not, Want Not | circuitsassembly.com/pdf/0304/0304depot.pdf
Simplify BGA rework by reusing leftover solder - article from Circuits Assembly, by Jeff Ferry.
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