Text Term / Abbr Acronym
Kerf Kerf A laser-beam or abrasive-jet cut (slit) in a film component as a part of the trimming operation.
Known Good Board (KGB) Known Good Board (KGB) A correctly fabricated printed board that serves as a standard unit by which others can be compared.
Known Tested Die (KTD) Known Tested Die (KTD) A die-form semiconductor product functionally verified by probing tests equal to the expected performance of the packaged product, without full quality assurance by supplier(s). The requirements for testing are AABUS.
Kovar Kovar An alloy of 53% iron, 17% cobalt, 29% nikel and trace elements, with a thermal expansion approximately matching that of alumina ceramics and sealing glasses.