Product Development Engineer
Austin, Texas
Developed and tested Tape Ball Grid Array (TBGA) packages and ink-resistant Liquid Crystal Polymer (LCP) flex circuits for inkjet cartridges. Developed a competitive analysis program within the division and provided quarterly presentations on my analysis.Performed the plating and etching of polyimide circuit, adhesive research, circuit lamination, solder ball placement, electrical, mechanical and environmental testing, compiling results in a spreadsheet and presenting to team.• Developed a continuity tester, held as trade secret, for ball grid array (BGA) packages, utilized during environmental testing.• Solved defect in solder ball adhesion, identifying problems with via slope and solder ball size.• Resolved package surface contamination issue in production phase, analyzing process and identifying improper rinsing as root cause.• Developed ink-resistant circuit for inkjet cartridges using Liquid Crystal Polymer (LCP) substrate.• Developed test and measurement plan for LCP circuits, which involved automated measurement and electrical / mechanical testing, providing failure analysis, recording results, and presenting results to team.• Performed competitive analysis on flexible circuits, inkjet cartridge knock-offs and inkjet printers which included photos, data analysis, SEM and EDAX images and measurements. I collected and compiled this data into reports and spreadsheets which I presented to the division on a quarterly basis.• Member of the 3M safety committee with responsibility of monitoring division laboratories.