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Patent No. 5979328

Vehicular Impact Signaling Device

An apparatus for the deployment of a visible plume to alert other motorists that a proximate motor vehicle has been involved in a collision.

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Class 257/E31.024 - For device having potential or surface barrier (EPO)


Subclass of Class 257 - Active solid-state devices (e.g., transistors, solid-state diodes)
Definition: This subclass is indented under subclass E31.023. This subclass
No. of patents: 9
Last issue date: 12/03/1996


NumberTitleIssue Date
5581087Radiation detector
A radiation detector includes a photodiode composed of an ଱-SiC substrate of a first conductivity type, a first ଱-SiC layer of the first conductivity type epitaxially formed on the ଱-SiC substrate, a second ଱-SiC layer of a second ...
12/03/1996
5319220Silicon carbide semiconductor device
A silicon carbide semiconductor device is provided which includes at least one heterojunction composed of two different polytypes of silicon carbide. The two polytypes of silicon carbide in the heterojunction include a ଲ-type silicon carbide layer h...
06/07/1994
5289017Solid state imaging device having silicon carbide crystal layer
A solid state imaging device of claim 1, wherein the silicon carbide crystal layer is formed on a silicon substrate such that the insulating film is interposed between said silicon carbide crystal layer and said silicon substrate. Since the charge transfe...
02/22/1994
5093576High sensitivity ultraviolet radiation detector
A high sensitivity radiation detecting photodiode formed in silicon carbide comprises a monocrystalline silicon carbide substrate; a first monocrystalline portion of silicon carbide upon the substrate and having a first conductivity type; a second monocry...
03/03/1992
4985742High temperature semiconductor devices having at least one gallium nitride layer
A device having high temperature operating characteristics is provided by depositing n-type cubic gallium nitride on n-type cubic silicon carbide to provide an ohmic contact or electrode. High temperature operating characteristics are also provided in a d...
01/15/1991
4939561Infrared sensor
An infrared sensor includes a metal and a semiconductor contacted to each other via a rectifying potential barrier. The semiconductor includes a p-type strained Si1-X GeX epitaxial layer grown on a p-type substrate, wherein the chara...
07/03/1990
4885614Semiconductor device with crystalline silicon-germanium-carbon alloy
The present invention discloses a semiconductor device comprising a semiconductor layer being made of monocrystalline silicon or silicon-germanium alloy and a semiconductor layer being made of silicon-germanium-carbon alloy formed thereon, wherein the two...
12/05/1989
4831428Infrared ray detection device
An infrared ray detection device comprises a Si crystal substrate, a Gex Si1-x (0
05/16/1989
4524237Increased voltage photovoltaic cell
A photovoltaic cell, such as a solar cell, is provided which has a higher output voltage than prior cells. The improved cell includes a substrate of doped silicon, a first layer of silicon disposed on the substrate and having opposite doping, and a second...
06/18/1985
 
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