HATS™ Via Reliability Testing Technology has been in use since 2003 and has more than 9,000 coupon designs in the field. HATS²™ Technology was released in 2020 to reflect changes in via test structures and test methodologies. Over the years, a number of papers have been published regarding the technology and its benefits. Click on the links below to read the HATS²™ FAQ's or download an example of the test report generated by the system or a sampling of papers that have been published regarding HATS™ & HATS²™ technology.