AOpen AOI-702U Dokumentacja Pobierz pdf (Strona 127)

FA Inspector (AOI) Scanner

127 | Page

FocalSpot, Inc. | www.FocalSpot.com

Short or Bridge

The primary causes of shorts are defects in the attachment, and typically

are bent pins, a significantly misaligned component, or excess solder that

is resulting in an electrical short between two electrical nets.

Blow Holes

A bubble or open area caused by trapped gas inside a solder joint

while cooling, aka “out gassing.” If the some of the gas escapes

during the solder process this can cause “pin” holes, bubbles or

“blow holes.”

Solder Splash / Sputter Comparator Mode Only

A splash or sputtering of solder in an area where it does not belong.

Solder Balls Comparator Mode Only

Any balls of solder that are not entrapped in a permanent coating or

attached to a metal contact, or violate minimum electrical clearance

requirements.

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AOpen AOI-702U Dokumentacja Strona 127