Esec SA
18Patents
0Active
18Granted
32Portfolio score
Filing activity: Nov 22, 1988 → Feb 10, 1999
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5569402A | Curing oven for magazine holding computer chip lead frames, providing flow direction control for hot gas stream | Mechanical Engineering; Lighting; Heating | 327 | Expired |
| US5114302A | Apparatus for performing in-feed of working member to working station | Emerging Cross-Sectional Technologies | 20 | Expired |
| US6135339A | Ultrasonic transducer with a flange for mounting on an ultrasonic welding device, in particular on a wire bonder | Electricity | 20 | Expired |
| US5878939A | Method and apparatus for dispensing liquid solder | Electricity | 18 | Expired |
| US6129040A | Semi-conductor mounting apparatus for applying adhesive to a substrate | Electricity | 17 | Expired |
| US6185815A | Semiconductor mounting apparatus with a chip gripper travelling back and forth | Emerging Cross-Sectional Technologies | 16 | Expired |
| US5199630A | Method and apparatus for measuring the vibration amplitude on an energy transducer | Electricity | 16 | Expired |
| US6179938A | Method and apparatus for aligning the bonding head of a bonder, in particular a die bonder | Electricity | 15 | Expired |
| US5163222A | Method and apparatus for loading metal leadframes with electronic components | Emerging Cross-Sectional Technologies | 12 | Expired |
| US4903883A | Apparatus for ultrasonic contacting wire connection of circuits to electronic components | Electricity | 12 | Expired |
| US5263631A | Contact-making system for semiconductor wire connections | Electricity | 11 | Expired |
| US6056184A | Apparatus for shaping liquid portions of solder in soft soldering semiconductor chips | Electricity | 8 | Expired |
| US6119926A | Method for producing wire connections on semiconductor chips | Electricity | 8 | Expired |
| US5108023A | Device for forming electric circuits on a lead frame | Emerging Cross-Sectional Technologies | 7 | Expired |
| US5893509A | Apparatus for making wire connections on semiconductor chips | Emerging Cross-Sectional Technologies | 7 | Expired |
| US6010057A | Method for making a wire connections of predetermined shape | Electricity | 5 | Expired |
| US5598270A | Sensor device and position determination process and their use for the control of an insertion robot | Physics | 4 | Expired |
| US6131799A | Method of making wire connections of predetermined shape | Electricity | 4 | Expired |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.