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Class Information
Number: 257/780
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
Description: Subject matter wherein a contact, lead, or bond is in the form of a wire having an end for connection to the semiconductor which is in the shape of a ball or nail head.


Sub-classes under this class:

Class Number Class Name Patents
257/781 Layered contact, lead or bond 606


Patents under this class:
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 Next

Patent Number Title Of Patent Date Issued
6281592 Package structure for semiconductor chip Aug. 28, 2001
6278180 Ball-grid-array-type semiconductor device and its fabrication method and electronic device Aug. 21, 2001
6278182 Lead frame type semiconductor package Aug. 21, 2001
6278185 Semi-additive process (SAP) architecture for organic leadless grid array packages Aug. 21, 2001
6278191 Bond pad sealing using wire bonding Aug. 21, 2001
6278192 Semiconductor device with encapsulating material composed of silica Aug. 21, 2001
6271588 Semiconductor device and manufacturing method thereof Aug. 7, 2001
6271599 Wire interconnect structure for electrically and mechanically connecting an integrated circuit chip to a substrate Aug. 7, 2001
6268642 Wafer level package Jul. 31, 2001
6268655 Semiconductor device including edge bond pads and methods Jul. 31, 2001
6268656 Method and structure for uniform height solder bumps on a semiconductor wafer Jul. 31, 2001
6265783 Resin overmolded type semiconductor device Jul. 24, 2001
6266249 Semiconductor flip chip ball grid array package Jul. 24, 2001
6259038 Semiconductor chip mounting board and method of inspecting the same mounting board Jul. 10, 2001
6259159 Reflowed solder ball with low melting point metal cap Jul. 10, 2001
6255727 Contact structure formed by microfabrication process Jul. 3, 2001
6252777 IC card and its frame Jun. 26, 2001
6249044 Opaque metallization to cover flip chip die surface for light sensitive semiconductor devices Jun. 19, 2001
6249046 Semiconductor device and method for manufacturing and mounting thereof, and circuit board mounted with the semiconductor device Jun. 19, 2001
6249048 Polymer stud grid array Jun. 19, 2001
6246117 Semiconductor device comprised of a ball grid array and an insulating film with preformed land openings Jun. 12, 2001
6246121 High performance flip-chip semiconductor device Jun. 12, 2001
6242103 Method for producing laminated film/metal structures Jun. 5, 2001
6242815 Flexible substrate based ball grid array (BGA) package Jun. 5, 2001
6239013 Method for transferring particles from an adhesive sheet to a substrate May. 29, 2001
6239485 Reduced cross-talk noise high density signal interposer with power and ground wrap May. 29, 2001
6235996 Interconnection structure and process module assembly and rework May. 22, 2001
6232563 Bump electrode and method for fabricating the same May. 15, 2001
6232660 High-frequency semiconductor device provided with peripheral bumps on chip periphery that surround high-frequency semiconductor chip May. 15, 2001
6232666 Interconnect for packaging semiconductor dice and fabricating BGA packages May. 15, 2001
6232668 Semiconductor device of chip-on-chip structure and semiconductor chip for use therein May. 15, 2001
6229220 Bump structure, bump forming method and package connecting body May. 8, 2001
6229222 Semiconductor device and method of fabricating the same May. 8, 2001
6229711 Flip-chip mount board and flip-chip mount structure with improved mounting reliability May. 8, 2001
6225700 Package for a semiconductor element having depressions containing solder terminals May. 1, 2001
6225702 Ball grid array to prevent shorting between a power supply and ground terminal May. 1, 2001
6222274 Bonding wire loop shape for a semiconductor device Apr. 24, 2001
6222279 Solder bump fabrication methods and structures including a titanium barrier layer Apr. 24, 2001
6222280 Test interconnect for semiconductor components having bumped and planar contacts Apr. 24, 2001
6222281 IC chip, IC assembly, liquid crystal device, and electric apparatus Apr. 24, 2001
6218731 Tiny ball grid array package Apr. 17, 2001
6212768 Flip chip mounting method and apparatus therefor Apr. 10, 2001
6214642 Area array stud bump flip chip device and assembly process Apr. 10, 2001
6211461 Chip size package and method of fabricating the same Apr. 3, 2001
6211571 Method and apparatus for testing chips Apr. 3, 2001
6211575 Method and apparatus for identifying customized integrated circuits Apr. 3, 2001
6208546 Memory module Mar. 27, 2001
6204559 Ball grid assembly type semiconductor package having improved chip edge support to prevent chip cracking Mar. 20, 2001
6204563 Semiconductor device Mar. 20, 2001
6204564 Semiconductor device and method for making the same Mar. 20, 2001

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