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Browse by Category: Main > Physics
Class Information
Number: 257/781
Name: Active solid-state devices (e.g., transistors, solid-state diodes) > Combined with electrical contact or lead > Ball or nail head type contact, lead, or bond > Layered contact, lead or bond
Description: Subject matter wherein a ball or nail head type contact is made up of a plurality of layers of the same or different material.


Patents under this class:
1 2 3 4 5 6 7 8 9 10 11 12

Patent Number Title Of Patent Date Issued
7459345 Packaging method for an electronic element Dec. 2, 2008
7459785 Electrical interconnection structure formation Dec. 2, 2008
7459792 Via layout with via groups placed in interlocked arrangement Dec. 2, 2008
7449785 Solder bump on a semiconductor substrate Nov. 11, 2008
7449786 Semiconductor device having improved adhesion between bonding and ball portions of electrical connectors Nov. 11, 2008
7446405 Wafer level chip scale package (WLCSP) with high reliability against thermal stress Nov. 4, 2008
7443041 Packaging of a microchip device Oct. 28, 2008
7443039 System for different bond pads in an integrated circuit package Oct. 28, 2008
7436058 Reactive solder material Oct. 14, 2008
7436065 Electrode contact structure Oct. 14, 2008
7436073 Junction structure for a terminal pad and solder, and semiconductor device having the same Oct. 14, 2008
7429797 Electronic device and carrier substrate Sep. 30, 2008
7425767 Chip structure with redistribution traces Sep. 16, 2008
7423348 Chip structure and chip package structure Sep. 9, 2008
7420285 Semiconductor device and method of manufacturing the same, circuit board, and electronic instrument Sep. 2, 2008
7420284 Semiconductor device and manufacturing method thereof Sep. 2, 2008
7420280 Reduced stress under bump metallization structure Sep. 2, 2008
7417324 Semiconductor device and method for manufacturing the same Aug. 26, 2008
7417326 Semiconductor device and manufacturing method of the same Aug. 26, 2008
7414317 BGA package with concave shaped bonding pads Aug. 19, 2008
7414301 Printed circuit board with soldering lands Aug. 19, 2008
7411297 Microfeature devices and methods for manufacturing microfeature devices Aug. 12, 2008
7408260 Microelectronic assemblies having compliant layers Aug. 5, 2008
7405484 Semiconductor device containing stacked semiconductor chips and manufacturing method thereof Jul. 29, 2008
7402904 Semiconductor device having wires that vary in wiring pitch Jul. 22, 2008
7397133 Submount for diode with single bottom electrode Jul. 8, 2008
7391107 Signal routing on redistribution layer Jun. 24, 2008
7391114 Electrode pad section for external connection Jun. 24, 2008
7382060 Semiconductor component having thinned die, polymer layers, contacts on opposing sides, and conductive vias connecting the contacts Jun. 3, 2008
7378745 Package substrate for a semiconductor device having thermoplastic resin layers and conductive patterns May. 27, 2008
7378746 Composite bump May. 27, 2008
7372153 Integrated circuit package bond pad having plurality of conductive members May. 13, 2008
7368817 Bump-on-lead flip chip interconnection May. 6, 2008
7368825 Power semiconductor device May. 6, 2008
7365440 Semiconductor device and fabrication method thereof Apr. 29, 2008
7358619 Tape carrier for TAB Apr. 15, 2008
7345368 Semiconductor device and the manufacturing method for the same Mar. 18, 2008
7342302 Semiconductor device and a method of manufacturing the same Mar. 11, 2008
7327030 Apparatus and method incorporating discrete passive components in an electronic package Feb. 5, 2008
7327031 Semiconductor device and method of manufacturing the same Feb. 5, 2008
7327038 Semiconductor device package Feb. 5, 2008
7323780 Electrical interconnection structure formation Jan. 29, 2008
7321172 Selective plating of package terminals Jan. 22, 2008
7319277 Chip structure with redistribution traces Jan. 15, 2008
7304392 Die for forming an optical element, and production method as well as regeneration method of the same Dec. 4, 2007
7301231 Reinforced bond pad for a semiconductor device Nov. 27, 2007
7294389 Microstructure array and a microlens array Nov. 13, 2007
7294451 Raised solder-mask-defined (SMD) solder ball pads for a laminate electronic circuit board Nov. 13, 2007
7291902 Chip component and method for producing a chip component Nov. 6, 2007
7291928 Electric power semiconductor device Nov. 6, 2007

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