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Smart Reasoning:

C&E

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Qaagi - Book of Why

Causes

Effects

heat issuescausingsolder failure

Pressure on the broochcan causesolder to break

the circuit board padwill causepoor soldering

For Iron A(passive) is composedSolder - Hard

excessive gold in a solder jointcan causesolder embrittlement

that ... to solder to eithercausessolder embrittlement

Some large electronic componentsmay causede - soldering

eithercausessolder embrittlement

employing all possible agents and the most powerful dissolventsto composeproper solder

of solder alloys(passive) are composedSolder preforms

Excess heatingcausessolder brittleness

heatingto causesolder reflow

the optical elements ... sufficientto causesolder reflow

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

Paste particle sizecan influencesolder printability

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

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

Sn / Pb ) or lead - free(passive) can be leadedSolder

by a reduction in temperature(passive) caused bysolder

for electronics use(passive) is designedsolder

boardcausingsolder to

of mostly tin and/or lead(passive) is composedSolder

Solder Kwik - Linkdesignedsolder

The previous reflow actionhas causedsolder

by heating(passive) caused bysolder

Sn / Pb(passive) can be leadedSolder

thermal damagemay have causedsolder

by vibration(passive) caused bysolder

by a short circuit Tin furnace temperature(passive) caused bySolder

Thermal fatiguecausessolder

my problemis causingmy problem

problemsto causeproblems

lights to failcausinglights to fail

Most problems(passive) are caused byMost problems

failurecan causefailure

failure of the PCBcan causefailure of the PCB

to loose contactsleadingto loose contacts

from the introduction of the SMT assembly methodresultingfrom the introduction of the SMT assembly method

leaks and produce burning on coppercausingleaks and produce burning on copper

diode failurecausediode failure

device resetscausingdevice resets

ShortCausesShort

I 1 E 1 E 2leadsI 1 E 1 E 2

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

This Pin(passive) was discovered byThis Pin

a bridge to form between leadscausesa bridge to form between leads

different types of defectscausingdifferent types of defects

failurecausingfailure

a reduction of the adhesive strength of the terminationswill causea reduction of the adhesive strength of the terminations

of Sncomposedof Sn

of Sn and Pbcomposedof Sn and Pb

of 63%Tin and 37%Lead meltscomposedof 63%Tin and 37%Lead melts

of the lasersleadsof the lasers

for electronic usedesignedfor electronic use

to enhance reliability and heat transfer through the reduction of voiding underdesignedto enhance reliability and heat transfer through the reduction of voiding under

to enhance reliability and heat transfer through the reductiondesignedto enhance reliability and heat transfer through the reduction

cracklingcausingcrackling

to meet the voiding requirements of today 's high reliability applicationsare designedto meet the voiding requirements of today 's high reliability applications

to capacitance issuescan also leadto capacitance issues

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

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

to enhance reliability and heat transfer through the reduction of voiding under bottom termination componentsdesignedto enhance reliability and heat transfer through the reduction of voiding under bottom termination components

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*