Patent assignee · CH · COMPANY

ESEC, Trading SA

38Patents
0Active
38Granted
30Portfolio score

Filing activity: Mar 27, 2000 → Jun 8, 2004

Most-cited patents

PatentTitleAreaCited byStatus
US6935539B2 Device for the metered delivery of a viscous liquid Mechanical Engineering; Lighting; Heating 20 Expired
US6705845B2 Device for the metered delivery of a viscous liquid Mechanical Engineering; Lighting; Heating 19 Expired
US6471110B1 Method and apparatus for mounting semiconductor chips Electricity 11 Expired
US6460751B1 Bondhead for a wire bonder Electricity 11 Expired
US6516990B2 Apparatus for making wire connections Electricity 9 Expired
US6519840B1 Apparatus and method for mounting semiconductor chips on a substrate Emerging Cross-Sectional Technologies 7 Expired
US6648205B2 Method for the calibration of a wire bonder Electricity 7 Expired
US7146718B2 Apparatus for mounting semiconductors Emerging Cross-Sectional Technologies 7 Expired
US6435492B1 Die bonder and/or wire bonder with a suction device for pulling flat and holding down a curved substrate Electricity 6 Expired
US6821375B2 Method and apparatus for mounting semiconductor chips onto a flexible substrate Emerging Cross-Sectional Technologies 5 Expired
US6581436B2 Pressure sensor with means for re-calibration Physics 5 Expired
US7120995B2 Apparatus for mounting semiconductors Emerging Cross-Sectional Technologies 4 Expired
US6929168B2 Method for determining optimum bonding parameters for bonding with a wire bonder Electricity 4 Expired
US6648215B2 Method and apparatus for mounting semiconductor chips Electricity 4 Expired
US6675465B2 Pick-up tool Emerging Cross-Sectional Technologies 3 Expired
US6857554B2 Method and device for determining the vectorial distance between the capillary and the image recognition system of a wire bonder Electricity 3 Expired
US7284318B2 Apparatus for mounting semiconductor chips Emerging Cross-Sectional Technologies 3 Expired
US7159751B2 Wire bonder Electricity 2 Expired
US7020954B2 Apparatus for placing a semiconductor chip as a flipchip on a substrate Emerging Cross-Sectional Technologies 2 Expired
US6739496B2 Method for the calibration of a wire bonder Electricity 2 Expired
US6571461B2 Linear guide with an air bearing having provision for heating a support element of the linear guide to maintain fluid gap Emerging Cross-Sectional Technologies 2 Expired
US6293317A Method and device for the application of a liquid substance Electricity 2 Expired
US6839958B2 Apparatus for mounting semiconductor chips Emerging Cross-Sectional Technologies 2 Expired
US7004372B2 Method for determining optimum bond parameters when bonding with a wire bonder Electricity 2 Expired
US6530146B2 Apparatus for mounting a flipchip on a work piece Emerging Cross-Sectional Technologies 2 Expired

Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.