An electronic-parts mounting board frame sheet includes a plurality of electronic-parts mounting board frames serially coupled into a single sheet. Each frame includes an electronic-parts mounting board with an insulating substrate, grouped leads protruding from the insulating substrate, an outer frame...http://www.google.se/patents/US5252784?utm_source=gb-gplus-sharePatent US5252784 - Electronic-parts mounting board and electronic-parts mounting board frame
