Browse Munson, Terry

1-51 out of 51 article(s)

Title	Type	Date	Words
Is creep corrosion cleanable? With proper technique, immersion silver corrosion can be remediated.		Nov 1, 2009	558
'Every tool has its place': the final part of our comparison of test methods looks at the C3.		Mar 1, 2009	964
Electronics residues testing methods, part 2; This month's analysis: SEM and EDX.		Dec 1, 2008	352
The great testing migration; As 0201s and 01005s pop up, cleanliness monitoring progresses as well.		Sep 1, 2008	655
How clean must bare boards be? The fabrication process is a prime source of contaminants.		Aug 1, 2008	549
'If you clean, you must rinse': our expert clarifies his stance on brush cleaning.		May 1, 2008	553
PWB cleanliness, Part 2: localized extraction clearly shows residue volumes at isolated spots.		Feb 1, 2008	561
A fresh look at cleanliness; What's past isn't prologue: a better understanding of contamination is needed.		Jan 1, 2008	516
The big brush off: does localized brush cleaning really eradicate flux residues?		Dec 1, 2007	542
Diagnosis of an intermittent high impedance circuit: is your selective solder process causing leakage failures?		Nov 1, 2007	1126
What to look for when qualifying a new process (Part II): a post-selective soldering heating step helps flux reach activation temperature.		Oct 1, 2007	720
What to look for when qualifying a new process (Part I): always compare soldering interactions to the bare board's cleanliness.		Sep 1, 2007	462
SAC whiskers? Metal whiskers are not a new problem. But finding them in new places can be.		Jun 1, 2007	342
How cleaning a no-clean flux causes leakage and corrosion: take care not to leave moisture-absorbing conductive residues.		Apr 1, 2007	504
Cover your shorts: dendritic growth--metallic short circuits--can be eliminated.		Feb 1, 2007	415
Rescue cleaning of no-clean assemblies: saving hardware after a failure analysis.		Dec 1, 2006	584
Investigating dendritic growth: getting to the root of capacitor shorts.		Nov 1, 2006	573
What's my risk? Determining the root cause of a field failure.		Sep 1, 2006	686
Not-so-fine debris: left uncleaned, even staging racks can be a source of failures.		Jul 1, 2006	626
Stray voltage on low standoff components: the Doctor diagnoses an acute weak organic acid problem.		Apr 1, 2006	775
No silver lining: sulfate contamination causes visible silver crystalline growth.		Mar 1, 2006	745
White residues: are they or aren't they? When it comes to white residues, a defect is not always a defect.		Jan 1, 2006	550
Let it flow: a short reflow profile causes flux entrapment under low standoff components.		Dec 1, 2005	755
Clean it up! Incoming board and component cleanliness is crucial in building reliable product.		Nov 1, 2005	733
Escape artist: design changes involving a standoff permit flux trapped under PQFNs to volatilize and escape.		Oct 1, 2005	667
On a flat note: the flat, leadless PQFN package traps flux from no-clean paste, leaving a gooey, conductive residue.		Sep 1, 2005	1043
Keep it clean! Environmental chamber cleanliness has a direct impact on product performance.		Aug 1, 2005	978
Mean green corrosion: avoiding residues on ImAg boards selectively soldered with no-clean flux.		Jul 1, 2005	648
Destructive testing for reconstructing processes: cross-sections still beat alternate means for accurate problem-solving.		May 1, 2005	567
Localized contamination, big problems: when it comes to some residues, ROSE testing is not so sweet.		Apr 1, 2005	633
Environmental chamber cleanliness is critical: the right cleaning protocol can eliminate false failures.		Mar 1, 2005	1230
Does electronics really have a surface contamination problem? As field returns mount, our expert's answer is 'yes.'.		Feb 1, 2005	1189
Understanding specific area cleanliness: leave no residues behind.		Dec 1, 2004	618
Good bonds take time: inadequate reflow profiles cause weak joints and flex residues.		Nov 1, 2004	632
Activate that flux! Moisture absorbed by poorly activated flux residues coupled with other ionic residues can cause failures.		Sep 1, 2004	577
Is white residue a reliability risk? Not all white residues pose a threat to performance.		Jul 1, 2004	729
The key to success: examine key parameters for a successful no-clean assembly.		Mar 1, 2004	898
Low battery? Localized screening tests help pinpoint the cause of battery leakage failures.		Nov 1, 2003	691
Understanding selective pallet soldering residue: proper heating can eliminate flux concerns.		Sep 1, 2003	624
Component cleanliness in a no-clean world: a case study of component residues.		Mar 1, 2003	692
Can you clean a no-clean assembly? Troubled assemblies are put to the test.		Jan 1, 2003	696
Hand soldering--the cause of the failure? Hand-soldered, no-dean flux residues may create electrical leakage failures.		Nov 1, 2002	613
Finding residue sources: Part I: finding residue sources in PCBs using Six Sigma techniques.		May 1, 2002	462
Swabbing it clean: how clean are your cleaning materials?		Jan 1, 2002	448
Death of a Battery -- Review your facility's hand-soldering process-it could be the cause of product failure.	Brief Article	Nov 1, 2001	528
White Residue: Good or Bad?, Part II -- So, is white residue good or bad? The answer is, well, "it depends.".	Brief Article	Oct 1, 2001	548
White Residue: Good or Bad? -- Discover which cleaning protocol really works-and why.	Brief Article	Sep 1, 2001	599
Process Assessment: Part II -- Additional case study results show that fabrication residues can wreak havoc on electrical performance.	Brief Article	Aug 1, 2001	472
Process Assessment: Part I -- Fabrication residues can result in poor electrical performance.	Brief Article	Jul 1, 2001	524
Cleanliness Specifications -- New designs, component sensitivity and the elimination of rosin and solvent cleaning have forced new detection methods.	Brief Article	Jun 1, 2001	713
Incoming Components as a Source of Contamination -- Don't assume parts you receive for assembly are clean. Doing so can result in electromigration, leakage problems and failures.	Brief Article	May 1, 2001	343