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Class 257/738 - Ball shaped


Subclass of Class 257 - Active solid-state devices (e.g., transistors, solid-state diodes)
Definition: Subject matter wherein the bump contacts have the spherical
No. of patents: 2138
Last issue date: 05/22/2012


                    54  
NumberTitleIssue Date
4862248Contacting system for bipolar electronic circuit elements, more particularly semiconductor circuit elements
In a contacting system for bipolar electronic circuit elements, more particularly semiconductor circuit elements, in which a circuit element body provided on at least one of two major surfaces located opposite each other with a thick, pressure-contact lay...
08/29/1989
4845543Semiconductor device and method of manufacturing the same
A semiconductor device in which a pellet and external leads are connected by bonding wires made of aluminum containing a predetermined amount of at least one additive element, the bonding wires containing 0.05 to 3.0 weight % of at least one element selec...
07/04/1989
4807021Semiconductor device having stacking structure
A semiconductor device includes a base semiconductor structure including semiconductor elements, interconnection layers for connecting the semiconductor elements together, and conductive pads to which the interconnection layers are connected, at least one...
02/21/1989
4748495High density multi-chip interconnection and cooling package
A package for mounting and cooling a high density array of integrated circuit chips includes an interconnection assembly for the IC chips which (1) provides base connections to a printed circuit board (PCB), which is adapted to connect to external signal ...
05/31/1988
4746966Logic-circuit layout for large-scale integrated circuits
A VLSI chip has multiple annular rings of circuit cells, interspersed with annular wiring channels for interconecting the cells. Another wiring layer runs perpendicular to the rings. A central chip area contains all the I/O connections for the chip....
05/24/1988
4731643Logic-circuit layout for large-scale integrated circuits
A VLSI chip has multiple annular rings of circuit cells, interspersed with annular wiring channels for interconnecting the cells. Another wiring layer runs perpendicular to the rings. A central chip area contains all the I/O connections for the chip....
03/15/1988
4720738Focal plane array structure including a signal processing system
A structure for a focal plane array substrate is disclosed that includes a focal plane array positioned above a semiconductor substrate containing a signal processor. The signal processor is connected to the image detection elements of the focal plane arr...
01/19/1988
4604644Solder interconnection structure for joining semiconductor devices to substrates that have improved fatigue life, and process for making
An improved solder interconnection for forming I/O connections between an integrated semiconductor device and a support substrate having a plurality of solder connections arranged in an area array joining a set of I/O's on a flat surface of the semiconduc...
08/05/1986
4600600Method for the galvanic manufacture of metallic bump-like lead contacts
A method of galvanic manufacture of bump-like lead contacts of semiconductor components. The lead contacts are formed of etchable metals having a surface coating of gold. The gold is chemically deposited onto the lead contacts in a first and in a second w...
07/15/1986
4591896Pressure-contact sealing arrangement for a semiconductor pellet
An assembled semiconductor device comprising a base constituting one electrode, a semiconductor pellet mounted on the base, an insulation ring located to surround the semiconductor pellet and having a height larger than the thickness of the semiconductor ...
05/27/1986
4336551Thick-film printed circuit board and method for producing the same
A thick-film printed circuit board and a method for producing the same are disclosed, in which wiring conductors having connecting sections for connection with solder electrodes of an electronic element such as a semiconductor chip are provided on an insu...
06/22/1982
4288808Circuit structures including integrated circuits
The specification discloses a structure for locating integrated circuits on a substrate by etching V grooves in a silicon substrate arranged to co-operate with spheroidal connectors on the integrated circuit. Contact pads are located in the V grooves wher...
09/08/1981
4249299Edge-around leads for backside connections to silicon circuit die
Electrical connection is made to circuits in a silicon die from its bottom surface through vacuum deposited contacts formed around one of its edges....
02/10/1981
4127321Liquid crystal display apparatus
The display apparatus comprises a liquid crystal display element, a circuit board and electroconductive members interconnecting them. External terminals are formed on one substrate of the display element and input terminals are formed on the circuit board...
11/28/1978
4122479Optoelectronic device having control circuit for light emitting element and circuit for light receiving element integrated in a semiconductor body
An optoelectronic device comprises a light emitting element having a source from which a light signal is emitted, a semiconductor body having a light receiving element, a control circuit for the emitting element, and a circuit for the receiving element wh...
10/24/1978
4109269Opto-coupler semiconductor device
An opto-coupler semiconductor device includes a sensor integrated circuit mounted on a lead frame with an LED which is attached to beam leads on a copper clad tape mounted directly over the sensor portion of the integrated circuit by means of a transparen...
08/22/1978
3947867Two part package for a semiconductor die
Semiconductor devices containing integrated circuits are attached directly to external package leads by pressing simultaneously a plurality of groups of leads against bonding pads on a plurality of face-up semiconductor dice and heating the composite stru...
03/30/1976
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