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Patent No. 6681419

Forehead support apparatus 

A forehead support apparatus for resting a standing users forehead against a wall above a bathroom commode or urinal or beneath a showerhead.

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Class 257/E29.001 - SEMICONDUCTORS DEVICES ADAPTED FOR RECTIFYING, AMPLIFYING, OSCILLATING, OR SWITCHING, CAPACITORS, OR RESISTORS WITH AT LEAST ONE POTENTIAL-JUMP BARRIER OR SURFACE BARRIER (EPO)


Subclass of Class 257 - Active solid-state devices (e.g., transistors, solid-state diodes)
Definition: This main group provides for semiconductor devices which
No. of patents: 12
Last issue date: 10/07/2008


NumberTitleIssue Date
7432522Nanowhiskers with pn junctions, doped nanowhiskers, and methods for preparing them
Nano-engineered structures are disclosed, incorporating nanowhiskers of high mobility conductivity and incorporating pn junctions. In one embodiment, a nanowhisker of a first semiconducting material has a first band gap, and an enclosure comprising at least one seco...
10/07/2008
7423332Vertical laminated electrical switch circuit
A vertical laminated electrical switch circuit includes a first, second, and third ceramic substrate positioned in juxtaposed relationship relative to each other. The circuit also includes a first and second electrical device electrically coupled to each other. The ...
09/09/2008
7358593Microfabricated miniature grids
A grid structure and method for manufacturing the same. The grid is used for gating a stream of charged particles in certain types of particle measurement instruments, such as ion mobility spectrometers and the like. The methods include various microfabrication tech...
04/15/2008
7329928Voltage compensated integrated circuits
A method and system of voltage compensated integrated circuits. Operating characteristics of integrated circuitry are enhanced by application of voltage compensation. ...
02/12/2008
7330369NANO-electronic memory array
Systems and methods are disclosed to process a semiconductor substrate by fabricating a first layer on the substrate using semiconductor fabrication techniques; fabricating a second layer above the first layer having one or more NANO-bonding areas; self-assemblying ...
02/12/2008
7202548Embedded capacitor with interdigitated structure
An embedded capacitors with interdigitated structure for a package carrier or a printed circuit board comprises a plurality of stacked conductive layers, at least one first via connecting structure and at least one second via connecting structure. In order to enhanc...
04/10/2007
7187055Rectifying charge storage element
An electronic device or signal processing device consists of a rectifier and capacitor which share common elements facilitating the construction and application of the device to various types of substrates and, particularly, flexible substrates. Components of the de...
03/06/2007
7161228Three-dimensional integrated capacitance structure
A three-dimensional integrated capacitance structure comprises at least two arrays of “unit cells” on respective layers of an IC, with each unit cell comprising a center conductor and a conducting ring which surrounds the center conductor. Each array comprises a...
01/09/2007
7102204Integrated SOI fingered decoupling capacitor
The invention provides a fingered decoupling capacitor in the bulk silicon region that are formed by etching a series of minimum or sub-minimum trenches in the bulk silicon region, oxidizing these trenches, removing the oxide from at least one or more disjoint trenc...
09/05/2006
6677629Electric or electronic component and application as non volatile memory and device with surface acoustic waves
The invention concerns a component of composite structure (10) consisting of a layer of ferroelectric material (11) and at least a thin film of semiconductor material or of a thin metal or supraconducting film (12) in close contact with the layer of ferro...
01/13/2004
5939764Direct current voltage transformer
The DC transformer includes structure having a high mobility, two-dimensional electron gas contained within a plane therein. A magnetic field is maintained normal to the electron gas plane and the transformer structure is kept at a cryogenic temperature. ...
08/17/1999
4021751Field effect transistor amplifier
A field effect transistor amplifier has a signal input circuit which preferably includes an A-class amplifier, a driving stage having first and second FETs driven in the same phase relation by an input signal applied to their gate electrodes from the sign...
05/03/1977
 
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