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Patent No. 5571247

Self Containing Enclosure for Protection from Killer Bees

A self contained protective enclosure with an opening for entry and egress and a screen for ventilation and viewing.

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Class 257/E29.112 - Characterized by their shape, relative sizes or dispositions (EPO)


Subclass of Class 257 - Active solid-state devices (e.g., transistors, solid-state diodes)
Definition: This subclass is indented under subclass E29.111. This
No. of patents: 63
Last issue date: 07/29/2008


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NumberTitleIssue Date
7405418Memory device electrode with a surface structure
The invention relates to a memory device electrode, in particular for a resistively switching memory device, wherein the surface of the electrode is provided with a structure, in particular comprises one or a plurality of shoulders or projections, respectively. Furt...
07/29/2008
7332811Integrated circuit interconnect
A method for forming an electrical interconnect overlying a buried contact region of a substrate is characterized by a deposition of a first polycrystalline silicon layer and the patterning and etching of same to form a via. The via is formed in the first polycrysta...
02/19/2008
7326618Low OHMIC layout technique for MOS transistors
A method of making a transistor driver circuit with a plurality of transistors, each having source and drain regions formed in a substrate. At least first and second interconnect layers are formed on top of the substrate. A first plurality of contacts connect the so...
02/05/2008
7301239Wiring structure to minimize stress induced void formation
A wiring structure with improved resistance to void formation and a method of making the same are described. The wiring structure has a first conducting layer that includes a large area portion which is connected to an end of a protrusion with a plurality of “n”...
11/27/2007
7279744Control of hot carrier injection in a metal-oxide semiconductor device
An MOS device is formed including a semiconductor layer of a first conductivity type, and first and second source/drain regions of a second conductivity type formed in the semiconductor layer proximate an upper surface of the semiconductor layer, the first and secon...
10/09/2007
7268067Semiconductor integrated circuit package having electrically disconnected solder balls for mounting
Integrated circuit packages that connect solder balls between solder ball pads of a die and substrate pads of a printed circuit board (PCB). The solder balls are electrically disconnected from any circuit of the die, i.e., “dummy” solder balls, and are used to t...
09/11/2007
7259430Non-volatile memory device and method of manufacturing the same
A non-volatile memory device includes a fin body protruded from a semiconductor substrate. The fin body has first and second side surfaces opposite to each other. An inner dielectric layer pattern is formed on an upper surface, and the first and second side surfaces...
08/21/2007
7220984Influence of surface geometry on metal properties
The influence of surface geometry on metal properties is studied within the limit of the quantum theory of free electrons. It is shown that a metal surface can be modified with patterned indents to increase the Fermi energy level inside the metal, leading to decreas...
05/22/2007
7170176Semiconductor device
A technology for easily forming a multi-layer wiring structure that is fine and reliable. In the multi-layer wiring structure, the lower-layer wiring and the upper-layer wiring that are formed to sandwich an insulating layer are electrically connected to each other ...
01/30/2007
7112855Low ohmic layout technique for MOS transistors
The disclosure relates to a transistor driver circuit with a plurality of transistors, each having source and drain regions formed in a substrate. At least first and second interconnect layers are formed on top of the substrate. A first plurality of contacts connect...
09/26/2006
7034358Vertical transistor, and a method for producing a vertical transistor
The present invention relates to a method for producing a vertical transistor, and to a vertical transistor. A sacrificial gate oxide and a sacrificial gate electrode are used during the production of the vertical transistor to makes it possible to considerably redu...
04/25/2006
6686625Field effect-controllable semiconductor component with two-directional blocking, and a method of producing the semiconductor component
The semiconductor component can be controlled by the field effect and it blocks in both directions. The component has a semiconductor body with a first connecting zone, a second connecting zone and a channel zone formed between the first and the second co...
02/03/2004
6387765Method for forming an extended metal gate using a damascene process
A method for forming an extended metal gate without poly wrap around effects. A semiconductor structure is provided having a gate structure thereon. The gate structure comprising a gate dielectric layer, a gate silicon layer, a doped silicon oxide layer, ...
05/14/2002
6326273Method of fabricating a field effect transistor with trapezoidal shaped gate dielectric and/or gate electrode
A gate structure of a field effect transistor is fabricated with a gate dielectric having a dielectric constant that is higher than the dielectric constant of silicon dioxide (SiO2) (i.e., a high dielectric constant material) for higher thickne...
12/04/2001
6303447Method for forming an extended metal gate using a damascene process
A method for forming an extended metal gate without poly wrap around effects. A semiconductor structure is provided having a gate structure thereon. The gate structure comprising a gate dielectric layer, a gate silicon layer, a doped silicon oxide layer, ...
10/16/2001
6225674Semiconductor structure and method of manufacture
A semiconductor structure (10) having device isolation structures (43, 44) and shielding structures (39, 40). The shielding structures (39, 40) are formed in a semiconductor material (11) and the device isolation structures (43, 44) are formed within the ...
05/01/2001
6218223Process for producing electrode for semiconductor element and semiconductor device having the electrode
A process is provided for fabricating a structure wherein the longitudinal direction of a base electrode and the longitudinal direction of an emitter electrode are the same. This structure is special and provides the advantage that, even if the element is...
04/17/2001
5670819Semiconductor device with pad electrode
An N- -type epitaxial layer is formed on a P-type semiconductor substrate. A P-type region is formed in the N- -type epitaxial layer. First and second N- -type layer islands, isolated by the P-type region, are formed in th...
09/23/1997
5424572Spacer formation in a semiconductor structure
A contact structure and a method for fabrication is disclosed for a semiconductor device that includes a plurality of semiconductor regions along the surface of the device, each region having a top surface and at least a sidewall surface, where a first pa...
06/13/1995
5283454Semiconductor device including very low sheet resistivity buried layer
A metal or silicide buried layer in MOS semiconductor devices provides a drain contact on the upper surface of the device with a greatly reduced resistance. The methods of manufacture include depositing the buried layer, rather than diffusing, so that int...
02/01/1994
5233224Electrode having an improved configuration for a semiconductor element
An electrode for semiconductor element to be directly connected to the semiconductor region of a semiconductor element is substantially shaped in a square column. When the length of one side of the surface in contact with the semiconductor region in said ...
08/03/1993
5219784Spacer formation in a BICMOS device
A contact structure and a method for fabrication is disclosed for a semiconductor device that includes a plurality of semiconductor regions along the surface of the device, each region having a top surface and at least a sidewall surface, where a first pa...
06/15/1993
5168332Semiconductor device having salicide structure, method of manufacturing the same, and heating apparatus
A semiconductor device including a semiconductor substrate of a first conductivity type. An insulative film and metal films are sequentially formed on the main top surface of the semiconductor substrate. Impurity diffusion layers of a second conductivity ...
12/01/1992
5162263Semiconductor device having salicide structure, method of manufacturing the same, and heating apparatus
A semiconductor device comprises a semiconductor substrate of a first conductivity type. An insulative film and metal films are sequentially formed on the main top surface of the semiconductor substrate. Impurity diffusion layers of a second conductivity ...
11/10/1992
5155561Permeable base transistor having an electrode configuration for heat dissipation
The base layer of a power permeable base transistor is formed as comb structures with grating teeth of the combs extending into active regions of semiconductor material. Extended active regions are separated by inactive regions over which collector contac...
10/13/1992
5134448MOSFET with substrate source contact
A MOSFET having a back-side source contact and top-side gate and drain contacts is provided by a structure comprising superposed N+, N-, P-, N+ regions arranged between top and bottom surfaces of the semiconductor die. In a preferred...
07/28/1992
5122856Semiconductor device
A semiconductor device having a semiconductor layer, in which an active device such as a MOS or bipolar transistor in the front surface area of the semiconductor layer, and a device for communicating the front and rear surfaces of the semiconductor layer ...
06/16/1992
5095351Semiconductor device having bipolar transistor and method of producing the same
A semiconductor device has a base substrate made of a conductor or a semiconductor, an insulator layer formed on the base substrate, an active layer made of a semiconductor and formed on the insulator layer, where the active layer at least has a bipolar t...
03/10/1992
5073815Semiconductor substrate and method for producing the same
A semiconductor substrate that comprises: a base plate member made from a dielectric material; a refractory metal film covering at least a part of the base plate member; a single crystal semiconductor film formed on the refractory metal film; and an impur...
12/17/1991
5034346Method for forming shorting contact for semiconductor which allows for relaxed alignment tolerance
A method is disclosed for forming a shorting contact for shorting P-type and N-type conductivity regions in a semiconductor together. In one embodiment of this method, the P-type region is substantially a square and is surrounded by the N-type region. A s...
07/23/1991
5032882Semiconductor device having trench type structure
A semiconductor device comprises a P type semiconductor substrate (1) with a trench (12) formed on a main surface thereof. An N type drain region (15a) is formed at the bottom surface portion of the trench (12). An insulating layer (19c) is formed on the ...
07/16/1991
5023196Method for forming a MOSFET with substrate source contact
A MOSFET having a back-side source contact and top-side gate and drain contacts is provided by a structure comprising superposed N+, N-,P-, N+ regions arranged between top and bottom surfaces of the semiconductor die. In a preferred...
06/11/1991
4972240Vertical power MOS transistor
A vertical power MOS transistor, in which a gate oxide film is formed over partial areas of a semiconductor substrate having a first conductivity type, which functions as a drain, a channel region having a second conductivity type formed in the substrate,...
11/20/1990
4951101Diamond shorting contact for semiconductors
A diamond-shaped short contact overlapping two differing conductivity regions in a semiconductor. The shape and orientation providing maximum alignment tolerances for a given size of contact opening....
08/21/1990
4920393Insulated-gate field-effect semiconductor device with doped regions in channel to raise breakdown voltage
An insulated-gate field-effect semiconductor device comprising a silicon substrate of a first conductivity type, heavily doped source and drain regions of a second conductivity type in the substrate, a plurality of island regions of the second conductivit...
04/24/1990
4914501Vertical contact structure
A compact vertical contact has lateral space requirements in the fabrication of semiconductor devices and is compatible with highly planarized processes. The contact is made from a foundation region having a top surface to an overlying layer separated fro...
04/03/1990
4914050Semiconductor device and manufacturing method thereof
A concave portion having a V-shaped cross section is formed in a contact region of a p-type silicon substrate. The contact region is defined by a hole formed in an insulative layer formed over the substrate. An n-type diffusion layer is formed in the subs...
04/03/1990
4884121Semiconductor device
A semiconductor device comprises a semiconductor substrate having a convex portion and at least one conductive interconnection layer formed over the substrate. The interconnection layer has a contact region to be electrically connected. The convex portion...
11/28/1989
4882608Multilayer semiconductor device having multiple paths of current flow
A multilayer semiconductor structure is disclosed having a plurality of conducting layers separated by a barrier layer. A common contact extends from an upper exposed surface to all the layers of the device and a surface contact extends from the upper sur...
11/21/1989
4868636Power thyristor
A power thyristor includes a semiconductor body having first and second main surfaces, the first main surface being planar; at least first and second metal electrodes disposed at least on the first main surface; the first electrode having a contact surfac...
09/19/1989
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