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Smart Reasoning:

C&E

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Qaagi - Book of Why

Causes

Effects

heat issuescausingsolder failure

cause the motor drive current to increasecausingsolder failure

Pressure on the broochcan causesolder to break

a solder mask can also interfere with outgassing in the reflow ovencan causesolder ball splatter

this part of the tinwill causesolder ball

the tipcausessolder to splash when soldering

excessive gold in a solder jointcan causesolder embrittlement

that ... to solder to eithercausessolder embrittlement

The laser energy ... easyto causethe splash of solder paste

of solder alloys(passive) are composedSolder preforms

solderingcausingsolder voids

the jointswould causesolder voids

heatingto causesolder reflow

the optical elements ... sufficientto causesolder reflow

an excessive solder paste volumewill causesolder bridging

solder globulesresultingfrom solder splashes

first(passive) is ... paintedSolder paste

The separated solder paste particlescan potentially causesolder bridging

the problems of undesirable solder globules (resultingfrom solder splashes

to enable low temperature surface mount assembly technology(passive) is designedsolder paste

to seal specific packages(passive) are designedSolder preforms

Elevated temperatures and excessive time at those temperatures during the warm - up and preheating stages can result in inadequate fluxing activity or insufficient protection of solder spheres in the pastecausingsolder balling

generally(passive) are ... causedSolder " splashes

warping(passive) caused bysolder bridging

by warping(passive) caused bysolder bridging

Stencil thicknesscan also causesolder bridging

by the exposure of the base material(passive) caused bysolder wettability

by high temperature(passive) caused bythe soldering splash

by the stencil printing process(passive) was ... caused bysolder splatter

the stencil printing process(passive) was ... caused bysolder splatter

by conventional processes(passive) caused bysolder wettability

Too much solder pastewill causesolder

Rapid heating of soldercausedsolder

to get sufficient heat into the leadto causesolder

of tin and lead alloys(passive) may be composedSolder

to have thixotropic property ( time - dependent shear thinning property(passive) are designedSolder pastes

by molten solder surface tension(passive) caused bysolder

of tin and lead(passive) is composedSolder

of lead or tin(passive) is typically composedSolder

Solder Re - Flow Excessive heathas causedsolder

onto the LEDleadsonto the LED

to the LEDleadsto the LED

Solder ball causes We dcausesSolder ball causes We d

in gapresultingin gap

to terminal cup , observing polarityleadsto terminal cup , observing polarity

leaks and produce burning on coppercausingleaks and produce burning on copper

free soldering pot solder wire drawing machineleadfree soldering pot solder wire drawing machine

of flux and solder powder ( FLUX & SOLDER POWDERmainly composedof flux and solder powder ( FLUX & SOLDER POWDER

diode failurecausediode failure

to leaksleadto leaks

the problemwas causingthe problem

issueswas causingissues

for maximum robustness in reflowspecifically designedfor maximum robustness in reflow

device resetscausingdevice resets

problemscan causeproblems

ShortCausesShort

in attachment between the chip and the substrateresultsin attachment between the chip and the substrate

This Pin(passive) was discovered byThis Pin

Only 10 % of the solder(passive) was caused byOnly 10 % of the solder

a bridge to form between leadscausesa bridge to form between leads

different types of defectscausingdifferent types of defects

failurecausingfailure

a short , andcan causea short , and

93(passive) caused by93

shorts between the terminalscausingshorts between the terminals

shorts(passive) caused byshorts

a short circuitcausesa short circuit

of the lasersleadsof the lasers

for electronic usedesignedfor electronic use

and qualified for the Mydata MY500 Jet Printerare designedand qualified for the Mydata MY500 Jet Printer

and qualified for the MYDATA MY500 Jet Printerdesignedand qualified for the MYDATA MY500 Jet Printer

bad joint quality due to insufficient soldercausesbad joint quality due to insufficient solder

the low resistance problem(passive) Could ... be caused bythe low resistance problem

to dry solder jointsleadingto dry solder joints

to the pads on the back of the board with the soldering ironleadsto the pads on the back of the board with the soldering iron

connection failures of the solder or chip displacementwould ... causeconnection failures of the solder or chip displacement

free solderleadfree solder

of gold / lead / tin alloy , indium , or indium / tin alloy as the solder materialcomposedof gold / lead / tin alloy , indium , or indium / tin alloy as the solder material

to the pads with the soldering ironleadsto the pads with the soldering iron

without stand - offleadswithout stand - off

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Smart Reasoning:

C&E

See more*