A solder-joint detection circuit uses a resistive bridge and a differential detector to detect faults in the solder-joint network both inside and outside the digital electronic package during operation. The resistive bridge is preferably coupled to a high supply voltage used to power the package. Resistors...http://www.google.es/patents/US7196294?utm_source=gb-gplus-sharePatente US7196294 - Method and resistive bridge circuit for the detection of solder-joint failures in a digital electronic package
Method and resistive bridge circuit for the detection of solder-joint ...
