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ASTM Committee A01 member and Kansas State University Engineering Professor Robert Peterman(passive) led bystrand bond integrity Research
124 helppreventsdamage to the bond wires
One of the most common errors seen in welding Hall - effect devices is an excessive amount of heat / power allowed to reach the ICcausingwire bonds to be catastrophically damaged
a lifting force associated with the tensioning of the bonded wire during movement of the wirebonding capillarymay ... causestructural damage to a wire bond
Such bouncing or inadvertent lead movementcan resultin less than optimal wire bond integrity
the separate probe regionpreventsdamage to the wire bond region potentially caused by probe testing
factorsinfluencingintegrity of bimetallic strip bond
an encapsulantto preventdamage to the wire bond
to improve powder particleto leadwire bonding integrity
that supports the spitpreventingthe probe wire from damage
defects(passive) caused bydefects
to firemay leadto fire
a near - break ( or poor connector contact ) with high resistance or the overlap of the signal wirescauseda near - break ( or poor connector contact ) with high resistance or the overlap of the signal wires
not only stress to the solder bump but also to the underlying connection between 1causesnot only stress to the solder bump but also to the underlying connection between 1
wedge liftingcan causewedge lifting
to weak bonds or bond liftsleadingto weak bonds or bond lifts
The Earth Bond test(passive) is designedThe Earth Bond test
in a structural failure that may lead to separation of the cruciform tail Before the accumulation of 7,000 total flight hours , or within 100 flight hours after the effective date of this ADcould resultin a structural failure that may lead to separation of the cruciform tail Before the accumulation of 7,000 total flight hours , or within 100 flight hours after the effective date of this AD
in a structural failure that may lead to separation of the cruciform tail and loss of control of the airplanecould resultin a structural failure that may lead to separation of the cruciform tail and loss of control of the airplane
in a structural failure that could lead to separation of the cruciform tail and loss of control of the airplanecould resultin a structural failure that could lead to separation of the cruciform tail and loss of control of the airplane
68 ... I / O pads 66 , and electrical contacts 41 of printheads 40 is maintainedleads68 ... I / O pads 66 , and electrical contacts 41 of printheads 40 is maintained