Inventor · San Jose, CA, US

Raj N. Master

52Patents
14h-index
74Co-inventors
87Inventor score

Filing activity: Mar 23, 1979 → Aug 14, 2014

Most-cited inventions

PatentTitleAreaCited byStatus
US4340436A Process for flattening glass-ceramic substrates Electricity 81 Expired
US4234367A Method of making multilayered glass-ceramic structures having an internal distribution of copper-based conductors Electricity 79 Expired
US4885038A Method of making multilayered ceramic structures having an internal distribution of copper-based conductors Electricity 72 Expired
US4627160A Method for removal of carbonaceous residues from ceramic structures having internal metallurgy Emerging Cross-Sectional Technologies 30 Expired
US6657707B1 Metallurgical inspection and/or analysis of flip-chip pads and interfaces Electricity 27 Expired
US5153408A Method and structure for repairing electrical lines Emerging Cross-Sectional Technologies 23 Expired
US5553766A In-situ device removal for multi-chip modules Performing Operations; Transporting 21 Expired
US8991473B2 Metal alloy injection molding protrusions Emerging Cross-Sectional Technologies 18 Active
US9027631B2 Metal alloy injection molding overflows Performing Operations; Transporting 16 Active
US6103549A No clean flux for flip chip assembly Electricity 16 Expired
US6372544B1 Method to reduce occurrences of fillet cracking in flip-chip underfill Electricity 16 Expired
US4764341A Bonding of pure metal films to ceramics Emerging Cross-Sectional Technologies 15 Expired
US5988485A Flux cleaning for flip chip technology using environmentally friendly solvents Electricity 15 Expired
US6382500B1 Solder reflow furnace with flux effluent collector and method of preventing flux contamination Electricity 14 Expired
US5779133A In-situ device removal for multi-chip modules Performing Operations; Transporting 14 Expired
US7833839B1 Method for decreasing surface delamination of gel-type thermal interface material by management of the material cure temperature Electricity 14 Active
US6229207A Organic pin grid array flip chip carrier package Electricity 14 Expired
US5605277A Hot vacuum device removal process and apparatus Performing Operations; Transporting 14 Expired
US4671928A Method of controlling the sintering of metal particles Electricity 13 Expired
US7544542B2 Reduction of damage to thermal interface material due to asymmetrical load Electricity 13 Active
US5543584A Structure for repairing electrical lines Emerging Cross-Sectional Technologies 13 Expired
US4776978A Method of controlling the sintering of metal particles Emerging Cross-Sectional Technologies 12 Expired
US7651938B2 Void reduction in indium thermal interface material Electricity 11 Active
US7678615B2 Semiconductor device with gel-type thermal interface material Electricity 9 Active
US6617195B1 Method of reflowing organic packages using no-clean flux Electricity 7 Expired

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