Inventor · Singapore, SG

Wuu Yean Tay

29Patents
10h-index
18Co-inventors
68Inventor score

Filing activity: May 16, 2000 → Jun 19, 2017

Most-cited inventions

PatentTitleAreaCited byStatus
US6522018B1 Ball grid array chip packages having improved testing and stacking characteristics Emerging Cross-Sectional Technologies 184 Expired
US6420789B1 Ball grid array chip packages having improved testing and stacking characteristics Emerging Cross-Sectional Technologies 47 Expired
US7754531B2 Method for packaging microelectronic devices Emerging Cross-Sectional Technologies 39 Active
US6693363B2 Ball grid array chip packages having improved testing and stacking characteristics Emerging Cross-Sectional Technologies 37 Expired
US6448664B1 Ball grid array chip packages having improved testing and stacking characteristics Emerging Cross-Sectional Technologies 27 Expired
US6787923B2 Solder masks for use on carrier substrates, carrier substrates and semiconductor device assemblies including such solder masks Electricity 16 Expired
US7915718B2 Apparatus for flip-chip packaging providing testing capability Electricity 15 Expired
US6600335B2 Method for ball grid array chip packages having improved testing and stacking characteristics Emerging Cross-Sectional Technologies 13 Expired
US7030640B2 Integrated circuit (IC) test assembly including phase change material for stabilizing temperature during stress testing of integrated circuits and method thereof Physics 12 Expired
US7071012B2 Methods relating to the reconstruction of semiconductor wafers for wafer-level processing Electricity 10 Expired
US6740984B2 Ball grid array chip packages having improved testing and stacking characteristics Emerging Cross-Sectional Technologies 8 Expired
US6674175B2 Ball grid array chip packages having improved testing and stacking characteristics Emerging Cross-Sectional Technologies 7 Expired
US7061124B2 Solder masks including dams for at least partially surrounding terminals of a carrier substrate and recessed areas positioned adjacent to the dams, and carrier substrates including such solder masks Electricity 7 Expired
US6522019B2 Ball grid array chip packages having improved testing and stacking characteristics Emerging Cross-Sectional Technologies 7 Expired
US6856155B2 Methods and apparatus for testing and burn-in of semiconductor devices Physics 6 Expired
US6847220B2 Method for ball grid array chip packages having improved testing and stacking characteristics Emerging Cross-Sectional Technologies 6 Expired
US6740983B2 Method for ball grind array chip packages having improved testing and stacking characteristics Emerging Cross-Sectional Technologies 5 Expired
US7368391B2 Methods for designing carrier substrates with raised terminals Emerging Cross-Sectional Technologies 5 Expired
US7018871B2 Solder masks for use on carrier substrates, carrier substrates and semiconductor device assemblies including such solder masks, and methods Electricity 4 Expired
US7190074B2 Reconstructed semiconductor wafers including alignment droplets contacting alignment vias Electricity 4 Expired
US7285971B2 Integrated circuit (IC) test assembly including phase change material for stabilizing temperature during stress testing of integrated circuits and method thereof Physics 3 Expired
US8525320B2 Microelectronic die packages with leadframes, including leadframe-based interposer for stacked die packages, and associated systems and methods Electricity 3 Active
US7116122B2 Method for ball grid array chip packages having improved testing and stacking characteristics Emerging Cross-Sectional Technologies 3 Expired
US7820459B2 Methods relating to the reconstruction of semiconductor wafers for wafer level processing including forming of alignment protrusion and removal of alignment material Electricity 1 Active
US7425462B2 Methods relating to the reconstruction of semiconductor wafers for wafer-level processing Electricity 1 Active

Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.