Patent assignee · KR · COMPANY

Anam Semiconductor

55Patents
0Active
55Granted
35Portfolio score

Filing activity: Nov 14, 1996 → Jun 30, 2004

Most-cited patents

PatentTitleAreaCited byStatus
US6303997A Thin, stackable semiconductor packages Electricity 437 Expired
US6281568A Plastic integrated circuit device package and leadframe having partially undercut leads and die pad Emerging Cross-Sectional Technologies 366 Expired
US5866939A Lead end grid array semiconductor package Electricity 296 Expired
US6369454B1 Semiconductor package and method for fabricating the same Electricity 212 Expired
US6258629A Electronic device package and leadframe and method for making the package Electricity 191 Expired
US5908317A Method of forming chip bumps of bump chip scale semiconductor package Electricity 91 Expired
US5953589A Ball grid array semiconductor package with solder balls fused on printed circuit board and method for fabricating the same Electricity 79 Expired
US5854511A Semiconductor package including heat sink with layered conductive plate and non-conductive tape bonding to leads Electricity 79 Expired
US6150709A Grid array type lead frame having lead ends in different planes Electricity 76 Expired
US6268568A Printed circuit board with oval solder ball lands for BGA semiconductor packages Emerging Cross-Sectional Technologies 72 Expired
US6339252B1 Electronic device package and leadframe Electricity 63 Expired
US6414396B1 Package for stacked integrated circuits Electricity 54 Expired
US5864470A Flexible circuit board for ball grid array semiconductor package Electricity 53 Expired
US6091141A Bump chip scale semiconductor package Electricity 39 Expired
US6246015A Printed circuit board for ball grid array semiconductor packages Electricity 26 Expired
US5981873A Printed circuit board for ball grid array semiconductor package Electricity 25 Expired
US6339004B1 Method of forming shallow trench isolation for preventing torn oxide Electricity 19 Expired
US5971734A Mold for ball grid array semiconductor package Electricity 18 Expired
US6821877B1 Method of fabricating metal interconnection of semiconductor device Electricity 17 Expired
US6255176A Method of forming trench for semiconductor device isolation Electricity 16 Expired
US5897334A Method for reproducing printed circuit boards for semiconductor packages including poor quality printed circuit board units and method for fabricating semiconductor packages using the reproduced printed circuit boards Electricity 15 Expired
US6426277B1 Methods and a device for heat treating a semiconductor wafer having different kinds of impurities Electricity 13 Expired
US6021563A Marking Bad printed circuit boards for semiconductor packages Emerging Cross-Sectional Technologies 12 Expired
US6727157B2 Method for forming a shallow trench isolation using air gap Electricity 9 Expired
US6794702B2 Semiconductor device and fabrication method thereof Electricity 8 Expired

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